./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/bresenham-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/bresenham-ll.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 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:23:41,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:23:41,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:23:41,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:23:41,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:23:41,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:23:41,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:23:41,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:23:41,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:23:41,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:23:41,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:23:41,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:23:41,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:23:41,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:23:41,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:23:41,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:23:41,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:23:41,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:23:41,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:23:41,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:23:41,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:23:41,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:23:41,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:23:41,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:23:41,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:23:41,454 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:23:41,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:23:41,455 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:23:41,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:23:41,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:23:41,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:23:41,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:23:41,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:23:41,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:23:41,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:23:41,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:23:41,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:23:41,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:23:41,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:23:41,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:23:41,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:23:41,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:23:41,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:23:41,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:23:41,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f [2024-11-22 22:23:41,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:23:41,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:23:41,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:23:41,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:23:41,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:23:41,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-11-22 22:23:43,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:23:43,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:23:43,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-11-22 22:23:43,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8be49869/1f38c80c3060447d8de7142cfef8ac42/FLAG96d8432e0 [2024-11-22 22:23:43,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8be49869/1f38c80c3060447d8de7142cfef8ac42 [2024-11-22 22:23:43,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:23:43,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:23:43,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:23:43,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:23:43,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:23:43,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:23:43" (1/1) ... [2024-11-22 22:23:43,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7fb9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:43, skipping insertion in model container [2024-11-22 22:23:43,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:23:43" (1/1) ... [2024-11-22 22:23:43,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:23:44,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:23:44,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:23:44,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:23:44,059 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:23:44,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44 WrapperNode [2024-11-22 22:23:44,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:23:44,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:23:44,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:23:44,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:23:44,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,105 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-11-22 22:23:44,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:23:44,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:23:44,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:23:44,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:23:44,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,127 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,149 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]. [2024-11-22 22:23:44,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:23:44,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:23:44,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:23:44,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:23:44,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (1/1) ... [2024-11-22 22:23:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:23:44,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:44,210 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) [2024-11-22 22:23:44,213 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 [2024-11-22 22:23:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:23:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:23:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:23:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:23:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:23:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:23:44,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:23:44,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:23:44,674 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-22 22:23:44,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:23:44,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:23:44,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:23:44,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:44 BoogieIcfgContainer [2024-11-22 22:23:44,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:23:44,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:23:44,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:23:44,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:23:44,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:23:43" (1/3) ... [2024-11-22 22:23:44,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec7150e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:23:44, skipping insertion in model container [2024-11-22 22:23:44,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:44" (2/3) ... [2024-11-22 22:23:44,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec7150e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:23:44, skipping insertion in model container [2024-11-22 22:23:44,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:44" (3/3) ... [2024-11-22 22:23:44,702 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll.c [2024-11-22 22:23:44,719 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:23:44,719 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-22 22:23:44,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:23:44,804 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;@3d143ab8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:23:44,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-22 22:23:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 72 states have (on average 1.875) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-22 22:23:44,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:44,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-22 22:23:44,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:44,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:44,820 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-22 22:23:44,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:44,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904215011] [2024-11-22 22:23:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:44,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:44,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904215011] [2024-11-22 22:23:44,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904215011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:44,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:44,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:44,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935414809] [2024-11-22 22:23:44,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:44,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:44,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:44,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:44,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:45,000 INFO L87 Difference]: Start difference. First operand has 134 states, 72 states have (on average 1.875) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:23:45,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:45,164 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2024-11-22 22:23:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-22 22:23:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:45,174 INFO L225 Difference]: With dead ends: 254 [2024-11-22 22:23:45,174 INFO L226 Difference]: Without dead ends: 123 [2024-11-22 22:23:45,177 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 [2024-11-22 22:23:45,179 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 91 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:45,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 79 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:45,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-22 22:23:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-22 22:23:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 120 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2024-11-22 22:23:45,252 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 3 [2024-11-22 22:23:45,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:45,253 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2024-11-22 22:23:45,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:23:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2024-11-22 22:23:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-22 22:23:45,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:45,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-22 22:23:45,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:23:45,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:45,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-22 22:23:45,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:45,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095793713] [2024-11-22 22:23:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:45,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:45,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:45,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095793713] [2024-11-22 22:23:45,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095793713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:45,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:45,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296750855] [2024-11-22 22:23:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:45,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:45,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:45,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:45,322 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:23:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:45,434 INFO L93 Difference]: Finished difference Result 123 states and 124 transitions. [2024-11-22 22:23:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:45,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-22 22:23:45,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:45,437 INFO L225 Difference]: With dead ends: 123 [2024-11-22 22:23:45,438 INFO L226 Difference]: Without dead ends: 119 [2024-11-22 22:23:45,438 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 [2024-11-22 22:23:45,439 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 88 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:45,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 70 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:45,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-22 22:23:45,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-22 22:23:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 67 states have (on average 1.7611940298507462) internal successors, (118), 116 states have internal predecessors, (118), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 120 transitions. [2024-11-22 22:23:45,459 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 120 transitions. Word has length 4 [2024-11-22 22:23:45,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:45,459 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 120 transitions. [2024-11-22 22:23:45,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:23:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2024-11-22 22:23:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 22:23:45,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:45,460 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 22:23:45,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:23:45,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:45,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2024-11-22 22:23:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:45,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945046760] [2024-11-22 22:23:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:45,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:45,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:45,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945046760] [2024-11-22 22:23:45,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945046760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:45,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:45,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394248005] [2024-11-22 22:23:45,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:45,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:45,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:45,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:45,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:45,526 INFO L87 Difference]: Start difference. First operand 119 states and 120 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-22 22:23:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:45,653 INFO L93 Difference]: Finished difference Result 119 states and 120 transitions. [2024-11-22 22:23:45,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:45,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-22 22:23:45,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:45,654 INFO L225 Difference]: With dead ends: 119 [2024-11-22 22:23:45,655 INFO L226 Difference]: Without dead ends: 118 [2024-11-22 22:23:45,656 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 [2024-11-22 22:23:45,658 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 81 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:45,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 56 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:45,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-22 22:23:45,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-22 22:23:45,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 67 states have (on average 1.7462686567164178) internal successors, (117), 115 states have internal predecessors, (117), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 119 transitions. [2024-11-22 22:23:45,676 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 119 transitions. Word has length 5 [2024-11-22 22:23:45,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:45,677 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 119 transitions. [2024-11-22 22:23:45,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-22 22:23:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 119 transitions. [2024-11-22 22:23:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:23:45,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:45,681 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:23:45,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:23:45,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:45,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:45,682 INFO L85 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2024-11-22 22:23:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:45,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060321168] [2024-11-22 22:23:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:45,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:45,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060321168] [2024-11-22 22:23:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060321168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:45,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:45,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536501788] [2024-11-22 22:23:45,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:45,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:45,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:45,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:45,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:45,741 INFO L87 Difference]: Start difference. First operand 118 states and 119 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) [2024-11-22 22:23:45,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:45,862 INFO L93 Difference]: Finished difference Result 118 states and 119 transitions. [2024-11-22 22:23:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:45,863 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 [2024-11-22 22:23:45,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:45,863 INFO L225 Difference]: With dead ends: 118 [2024-11-22 22:23:45,863 INFO L226 Difference]: Without dead ends: 117 [2024-11-22 22:23:45,864 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 [2024-11-22 22:23:45,865 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 80 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:45,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 56 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:45,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-22 22:23:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-22 22:23:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 67 states have (on average 1.7313432835820894) internal successors, (116), 114 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 118 transitions. [2024-11-22 22:23:45,873 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 118 transitions. Word has length 6 [2024-11-22 22:23:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:45,874 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 118 transitions. [2024-11-22 22:23:45,874 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) [2024-11-22 22:23:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2024-11-22 22:23:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 22:23:45,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:45,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:45,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:23:45,875 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:45,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash 87859176, now seen corresponding path program 1 times [2024-11-22 22:23:45,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:45,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076307916] [2024-11-22 22:23:45,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:45,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:45,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574282216] [2024-11-22 22:23:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:45,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:45,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:45,889 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) [2024-11-22 22:23:45,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:23:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:45,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:23:45,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:45,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:45,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:45,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076307916] [2024-11-22 22:23:45,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:45,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574282216] [2024-11-22 22:23:45,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574282216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:45,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:45,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:45,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462852666] [2024-11-22 22:23:45,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:45,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:45,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:45,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:45,961 INFO L87 Difference]: Start difference. First operand 117 states and 118 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:23:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:46,049 INFO L93 Difference]: Finished difference Result 186 states and 190 transitions. [2024-11-22 22:23:46,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:46,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-22 22:23:46,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:46,052 INFO L225 Difference]: With dead ends: 186 [2024-11-22 22:23:46,052 INFO L226 Difference]: Without dead ends: 180 [2024-11-22 22:23:46,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:46,056 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 61 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:46,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 209 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:46,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-22 22:23:46,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 142. [2024-11-22 22:23:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.7032967032967032) internal successors, (155), 138 states have internal predecessors, (155), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 159 transitions. [2024-11-22 22:23:46,075 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 159 transitions. Word has length 8 [2024-11-22 22:23:46,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:46,076 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 159 transitions. [2024-11-22 22:23:46,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:23:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2024-11-22 22:23:46,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-22 22:23:46,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:46,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:46,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:46,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:46,277 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:46,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:46,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1466676086, now seen corresponding path program 1 times [2024-11-22 22:23:46,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:46,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382906284] [2024-11-22 22:23:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:46,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:46,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305822639] [2024-11-22 22:23:46,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:46,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:46,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:46,291 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) [2024-11-22 22:23:46,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:23:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:46,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:23:46,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:46,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:46,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382906284] [2024-11-22 22:23:46,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305822639] [2024-11-22 22:23:46,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305822639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:46,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:46,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:46,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786757854] [2024-11-22 22:23:46,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:46,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:46,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:46,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:46,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:46,344 INFO L87 Difference]: Start difference. First operand 142 states and 159 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-22 22:23:46,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:46,438 INFO L93 Difference]: Finished difference Result 243 states and 264 transitions. [2024-11-22 22:23:46,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:46,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-22 22:23:46,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:46,439 INFO L225 Difference]: With dead ends: 243 [2024-11-22 22:23:46,439 INFO L226 Difference]: Without dead ends: 237 [2024-11-22 22:23:46,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:46,440 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 91 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:46,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 207 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:46,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-22 22:23:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 191. [2024-11-22 22:23:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 139 states have (on average 1.6906474820143884) internal successors, (235), 186 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 241 transitions. [2024-11-22 22:23:46,452 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 241 transitions. Word has length 10 [2024-11-22 22:23:46,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:46,452 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 241 transitions. [2024-11-22 22:23:46,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-22 22:23:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 241 transitions. [2024-11-22 22:23:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:23:46,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:46,453 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:46,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:46,657 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,SelfDestructingSolverStorable5 [2024-11-22 22:23:46,658 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:46,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash -726443732, now seen corresponding path program 1 times [2024-11-22 22:23:46,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:46,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040556854] [2024-11-22 22:23:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:46,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:46,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422140699] [2024-11-22 22:23:46,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:46,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:46,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:46,672 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) [2024-11-22 22:23:46,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:23:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:46,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:46,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:46,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:46,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:46,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040556854] [2024-11-22 22:23:46,743 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:46,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422140699] [2024-11-22 22:23:46,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422140699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:46,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:46,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:46,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556398210] [2024-11-22 22:23:46,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:46,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:46,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:46,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:46,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:46,745 INFO L87 Difference]: Start difference. First operand 191 states and 241 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-22 22:23:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:46,921 INFO L93 Difference]: Finished difference Result 263 states and 316 transitions. [2024-11-22 22:23:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:23:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-22 22:23:46,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:46,923 INFO L225 Difference]: With dead ends: 263 [2024-11-22 22:23:46,923 INFO L226 Difference]: Without dead ends: 261 [2024-11-22 22:23:46,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:46,924 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 130 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:46,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 220 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:46,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-22 22:23:46,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 192. [2024-11-22 22:23:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 187 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 241 transitions. [2024-11-22 22:23:46,944 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 241 transitions. Word has length 12 [2024-11-22 22:23:46,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:46,945 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 241 transitions. [2024-11-22 22:23:46,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-22 22:23:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 241 transitions. [2024-11-22 22:23:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-22 22:23:46,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:46,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:46,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:23:47,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:47,146 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:47,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1044919151, now seen corresponding path program 1 times [2024-11-22 22:23:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:47,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26534561] [2024-11-22 22:23:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:47,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:47,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209153967] [2024-11-22 22:23:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:47,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:47,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:47,159 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) [2024-11-22 22:23:47,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:23:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:47,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:47,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:47,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:47,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26534561] [2024-11-22 22:23:47,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209153967] [2024-11-22 22:23:47,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209153967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:47,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:47,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:47,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025827218] [2024-11-22 22:23:47,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:47,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:47,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:47,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:47,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:47,215 INFO L87 Difference]: Start difference. First operand 192 states and 241 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-22 22:23:47,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:47,382 INFO L93 Difference]: Finished difference Result 262 states and 314 transitions. [2024-11-22 22:23:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:23:47,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-22 22:23:47,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:47,384 INFO L225 Difference]: With dead ends: 262 [2024-11-22 22:23:47,384 INFO L226 Difference]: Without dead ends: 260 [2024-11-22 22:23:47,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:47,385 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 128 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:47,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 223 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:47,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-22 22:23:47,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 193. [2024-11-22 22:23:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 141 states have (on average 1.6666666666666667) internal successors, (235), 188 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 241 transitions. [2024-11-22 22:23:47,395 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 241 transitions. Word has length 13 [2024-11-22 22:23:47,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:47,395 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 241 transitions. [2024-11-22 22:23:47,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-22 22:23:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 241 transitions. [2024-11-22 22:23:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 22:23:47,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:47,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:47,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:23:47,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:47,603 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:47,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1967244750, now seen corresponding path program 1 times [2024-11-22 22:23:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:47,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297948959] [2024-11-22 22:23:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:47,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558331611] [2024-11-22 22:23:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:47,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:47,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:47,616 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) [2024-11-22 22:23:47,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:23:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:47,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:47,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:47,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:47,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297948959] [2024-11-22 22:23:47,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558331611] [2024-11-22 22:23:47,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558331611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:47,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:47,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:47,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366817419] [2024-11-22 22:23:47,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:47,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:47,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:47,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:47,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:47,673 INFO L87 Difference]: Start difference. First operand 193 states and 241 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-22 22:23:47,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:47,835 INFO L93 Difference]: Finished difference Result 257 states and 274 transitions. [2024-11-22 22:23:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:23:47,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-22 22:23:47,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:47,837 INFO L225 Difference]: With dead ends: 257 [2024-11-22 22:23:47,837 INFO L226 Difference]: Without dead ends: 255 [2024-11-22 22:23:47,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:47,838 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 176 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:47,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 243 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:47,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-22 22:23:47,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 193. [2024-11-22 22:23:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 141 states have (on average 1.6453900709219857) internal successors, (232), 188 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2024-11-22 22:23:47,848 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 14 [2024-11-22 22:23:47,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:47,849 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2024-11-22 22:23:47,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-22 22:23:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2024-11-22 22:23:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:23:47,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:47,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:47,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:48,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:48,053 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:48,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:48,053 INFO L85 PathProgramCache]: Analyzing trace with hash 855045171, now seen corresponding path program 1 times [2024-11-22 22:23:48,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:48,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384791579] [2024-11-22 22:23:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:48,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:48,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640466999] [2024-11-22 22:23:48,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:48,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:48,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:48,065 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) [2024-11-22 22:23:48,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:23:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:48,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:48,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:48,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:48,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:48,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384791579] [2024-11-22 22:23:48,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:48,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640466999] [2024-11-22 22:23:48,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640466999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:48,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:48,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:48,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78159131] [2024-11-22 22:23:48,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:48,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:48,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:48,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:48,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:48,128 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-22 22:23:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:48,261 INFO L93 Difference]: Finished difference Result 255 states and 271 transitions. [2024-11-22 22:23:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:23:48,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-22 22:23:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:48,263 INFO L225 Difference]: With dead ends: 255 [2024-11-22 22:23:48,266 INFO L226 Difference]: Without dead ends: 253 [2024-11-22 22:23:48,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:48,267 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 173 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:48,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 249 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-22 22:23:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 193. [2024-11-22 22:23:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 141 states have (on average 1.624113475177305) internal successors, (229), 188 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 235 transitions. [2024-11-22 22:23:48,278 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 235 transitions. Word has length 15 [2024-11-22 22:23:48,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:48,280 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 235 transitions. [2024-11-22 22:23:48,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-22 22:23:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 235 transitions. [2024-11-22 22:23:48,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:23:48,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:48,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:48,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:48,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:48,483 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:48,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:48,483 INFO L85 PathProgramCache]: Analyzing trace with hash 736596592, now seen corresponding path program 1 times [2024-11-22 22:23:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:48,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038546528] [2024-11-22 22:23:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:48,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033550989] [2024-11-22 22:23:48,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:48,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:48,507 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) [2024-11-22 22:23:48,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:23:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:48,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:23:48,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:48,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:48,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:48,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038546528] [2024-11-22 22:23:48,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:48,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033550989] [2024-11-22 22:23:48,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033550989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:48,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:48,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:23:48,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182152289] [2024-11-22 22:23:48,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:48,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:23:48,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:48,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:23:48,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:48,584 INFO L87 Difference]: Start difference. First operand 193 states and 235 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-22 22:23:48,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:48,781 INFO L93 Difference]: Finished difference Result 257 states and 304 transitions. [2024-11-22 22:23:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:23:48,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2024-11-22 22:23:48,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:48,783 INFO L225 Difference]: With dead ends: 257 [2024-11-22 22:23:48,783 INFO L226 Difference]: Without dead ends: 255 [2024-11-22 22:23:48,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:23:48,784 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:48,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 223 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-22 22:23:48,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 196. [2024-11-22 22:23:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 144 states have (on average 1.6041666666666667) internal successors, (231), 191 states have internal predecessors, (231), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 237 transitions. [2024-11-22 22:23:48,793 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 237 transitions. Word has length 16 [2024-11-22 22:23:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:48,794 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 237 transitions. [2024-11-22 22:23:48,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-22 22:23:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2024-11-22 22:23:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 22:23:48,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:48,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:48,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:48,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:49,000 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:49,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:49,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1359657941, now seen corresponding path program 1 times [2024-11-22 22:23:49,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:49,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144606839] [2024-11-22 22:23:49,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:49,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:49,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809269250] [2024-11-22 22:23:49,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:49,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:49,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:49,012 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) [2024-11-22 22:23:49,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:23:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:49,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:23:49,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:49,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:49,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:49,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144606839] [2024-11-22 22:23:49,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:49,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809269250] [2024-11-22 22:23:49,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809269250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:49,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:49,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:23:49,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993363172] [2024-11-22 22:23:49,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:49,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:23:49,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:49,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:23:49,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:49,097 INFO L87 Difference]: Start difference. First operand 196 states and 237 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-22 22:23:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:49,275 INFO L93 Difference]: Finished difference Result 256 states and 270 transitions. [2024-11-22 22:23:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:23:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2024-11-22 22:23:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:49,277 INFO L225 Difference]: With dead ends: 256 [2024-11-22 22:23:49,277 INFO L226 Difference]: Without dead ends: 254 [2024-11-22 22:23:49,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:23:49,278 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 241 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:49,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 254 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-22 22:23:49,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 196. [2024-11-22 22:23:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 191 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 234 transitions. [2024-11-22 22:23:49,286 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 234 transitions. Word has length 17 [2024-11-22 22:23:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:49,286 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 234 transitions. [2024-11-22 22:23:49,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-22 22:23:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 234 transitions. [2024-11-22 22:23:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:23:49,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:49,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:49,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:23:49,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-22 22:23:49,488 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:49,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:49,488 INFO L85 PathProgramCache]: Analyzing trace with hash -800276718, now seen corresponding path program 1 times [2024-11-22 22:23:49,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:49,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048903609] [2024-11-22 22:23:49,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:49,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:49,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205615413] [2024-11-22 22:23:49,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:49,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:49,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:49,505 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) [2024-11-22 22:23:49,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:23:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:49,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:23:49,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:49,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:49,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:49,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048903609] [2024-11-22 22:23:49,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:49,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205615413] [2024-11-22 22:23:49,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205615413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:49,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:49,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:23:49,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421690409] [2024-11-22 22:23:49,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:49,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:23:49,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:49,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:23:49,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:23:49,665 INFO L87 Difference]: Start difference. First operand 196 states and 234 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-11-22 22:23:49,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:49,965 INFO L93 Difference]: Finished difference Result 248 states and 298 transitions. [2024-11-22 22:23:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:23:49,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2024-11-22 22:23:49,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:49,966 INFO L225 Difference]: With dead ends: 248 [2024-11-22 22:23:49,967 INFO L226 Difference]: Without dead ends: 246 [2024-11-22 22:23:49,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:23:49,968 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 260 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:49,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 181 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:23:49,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-22 22:23:49,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 198. [2024-11-22 22:23:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 146 states have (on average 1.5684931506849316) internal successors, (229), 193 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 235 transitions. [2024-11-22 22:23:49,975 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 235 transitions. Word has length 18 [2024-11-22 22:23:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:49,976 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 235 transitions. [2024-11-22 22:23:49,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-11-22 22:23:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 235 transitions. [2024-11-22 22:23:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:23:49,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:49,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:49,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:23:50,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-22 22:23:50,178 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:50,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:50,178 INFO L85 PathProgramCache]: Analyzing trace with hash 961225591, now seen corresponding path program 1 times [2024-11-22 22:23:50,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:50,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747193930] [2024-11-22 22:23:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:50,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:50,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624169213] [2024-11-22 22:23:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:50,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:50,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:50,196 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) [2024-11-22 22:23:50,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:23:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:50,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:23:50,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:50,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:50,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:50,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:50,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747193930] [2024-11-22 22:23:50,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:50,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624169213] [2024-11-22 22:23:50,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624169213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:50,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:50,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:23:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654515399] [2024-11-22 22:23:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:50,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:23:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:50,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:23:50,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:23:50,342 INFO L87 Difference]: Start difference. First operand 198 states and 235 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-11-22 22:23:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:50,655 INFO L93 Difference]: Finished difference Result 248 states and 296 transitions. [2024-11-22 22:23:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:23:50,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2024-11-22 22:23:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:50,657 INFO L225 Difference]: With dead ends: 248 [2024-11-22 22:23:50,657 INFO L226 Difference]: Without dead ends: 246 [2024-11-22 22:23:50,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:23:50,658 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 245 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:50,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 181 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:23:50,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-22 22:23:50,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 199. [2024-11-22 22:23:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 147 states have (on average 1.5578231292517006) internal successors, (229), 194 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 235 transitions. [2024-11-22 22:23:50,666 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 235 transitions. Word has length 19 [2024-11-22 22:23:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:50,667 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 235 transitions. [2024-11-22 22:23:50,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-11-22 22:23:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 235 transitions. [2024-11-22 22:23:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 22:23:50,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:50,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:50,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:50,869 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,SelfDestructingSolverStorable13 [2024-11-22 22:23:50,869 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:50,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:50,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1324693590, now seen corresponding path program 1 times [2024-11-22 22:23:50,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:50,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869057034] [2024-11-22 22:23:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:50,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612085490] [2024-11-22 22:23:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:50,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:50,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:50,891 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) [2024-11-22 22:23:50,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:23:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:50,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:23:50,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:51,111 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:51,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:51,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869057034] [2024-11-22 22:23:51,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:51,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612085490] [2024-11-22 22:23:51,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612085490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:51,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:51,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:23:51,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185544851] [2024-11-22 22:23:51,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:51,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:23:51,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:51,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:23:51,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:23:51,113 INFO L87 Difference]: Start difference. First operand 199 states and 235 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-22 22:23:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:51,486 INFO L93 Difference]: Finished difference Result 242 states and 294 transitions. [2024-11-22 22:23:51,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:23:51,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2024-11-22 22:23:51,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:51,489 INFO L225 Difference]: With dead ends: 242 [2024-11-22 22:23:51,489 INFO L226 Difference]: Without dead ends: 238 [2024-11-22 22:23:51,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:23:51,490 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 224 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:51,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 121 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:23:51,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-22 22:23:51,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 200. [2024-11-22 22:23:51,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 195 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 235 transitions. [2024-11-22 22:23:51,499 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 235 transitions. Word has length 22 [2024-11-22 22:23:51,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:51,499 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 235 transitions. [2024-11-22 22:23:51,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-22 22:23:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 235 transitions. [2024-11-22 22:23:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:23:51,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:51,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:51,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:23:51,701 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,SelfDestructingSolverStorable14 [2024-11-22 22:23:51,701 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:51,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:51,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1884171589, now seen corresponding path program 1 times [2024-11-22 22:23:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:51,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464355568] [2024-11-22 22:23:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:51,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:51,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1694064375] [2024-11-22 22:23:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:51,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:51,714 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) [2024-11-22 22:23:51,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:23:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:51,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:23:51,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:51,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:51,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:51,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464355568] [2024-11-22 22:23:51,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:51,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694064375] [2024-11-22 22:23:51,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694064375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:51,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:51,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:23:51,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331042612] [2024-11-22 22:23:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:51,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:23:51,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:51,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:23:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:23:51,919 INFO L87 Difference]: Start difference. First operand 200 states and 235 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-11-22 22:23:52,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:52,205 INFO L93 Difference]: Finished difference Result 240 states and 288 transitions. [2024-11-22 22:23:52,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:23:52,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2024-11-22 22:23:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:52,207 INFO L225 Difference]: With dead ends: 240 [2024-11-22 22:23:52,207 INFO L226 Difference]: Without dead ends: 236 [2024-11-22 22:23:52,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:23:52,208 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 223 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:52,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 111 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-22 22:23:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2024-11-22 22:23:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 151 states have (on average 1.5033112582781456) internal successors, (227), 194 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 233 transitions. [2024-11-22 22:23:52,215 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 233 transitions. Word has length 23 [2024-11-22 22:23:52,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:52,215 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 233 transitions. [2024-11-22 22:23:52,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-11-22 22:23:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 233 transitions. [2024-11-22 22:23:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 22:23:52,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:52,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:52,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:23:52,421 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,SelfDestructingSolverStorable15 [2024-11-22 22:23:52,421 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:52,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1720222968, now seen corresponding path program 1 times [2024-11-22 22:23:52,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:52,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895398526] [2024-11-22 22:23:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:52,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:52,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895398526] [2024-11-22 22:23:52,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895398526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:52,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:52,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:52,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712202510] [2024-11-22 22:23:52,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:52,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:52,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:52,483 INFO L87 Difference]: Start difference. First operand 199 states and 233 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-22 22:23:52,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:52,729 INFO L93 Difference]: Finished difference Result 218 states and 258 transitions. [2024-11-22 22:23:52,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:23:52,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2024-11-22 22:23:52,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:52,731 INFO L225 Difference]: With dead ends: 218 [2024-11-22 22:23:52,731 INFO L226 Difference]: Without dead ends: 216 [2024-11-22 22:23:52,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:52,732 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 92 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:52,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 129 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:52,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-22 22:23:52,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 200. [2024-11-22 22:23:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.493421052631579) internal successors, (227), 195 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 233 transitions. [2024-11-22 22:23:52,740 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 233 transitions. Word has length 24 [2024-11-22 22:23:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:52,740 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 233 transitions. [2024-11-22 22:23:52,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-22 22:23:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 233 transitions. [2024-11-22 22:23:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:23:52,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:52,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:52,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:23:52,742 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:52,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1787304541, now seen corresponding path program 1 times [2024-11-22 22:23:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:52,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347509663] [2024-11-22 22:23:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:52,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:52,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347509663] [2024-11-22 22:23:52,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347509663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:52,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:52,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:52,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886145955] [2024-11-22 22:23:52,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:52,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:52,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:52,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:52,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:52,819 INFO L87 Difference]: Start difference. First operand 200 states and 233 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-22 22:23:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:53,029 INFO L93 Difference]: Finished difference Result 218 states and 256 transitions. [2024-11-22 22:23:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:53,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2024-11-22 22:23:53,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:53,030 INFO L225 Difference]: With dead ends: 218 [2024-11-22 22:23:53,030 INFO L226 Difference]: Without dead ends: 216 [2024-11-22 22:23:53,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:53,031 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 67 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:53,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 142 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:53,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-22 22:23:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 201. [2024-11-22 22:23:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 153 states have (on average 1.4836601307189543) internal successors, (227), 196 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 233 transitions. [2024-11-22 22:23:53,039 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 233 transitions. Word has length 25 [2024-11-22 22:23:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:53,039 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 233 transitions. [2024-11-22 22:23:53,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-22 22:23:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 233 transitions. [2024-11-22 22:23:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:23:53,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:53,041 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:53,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:23:53,041 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:53,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:53,041 INFO L85 PathProgramCache]: Analyzing trace with hash -109609582, now seen corresponding path program 1 times [2024-11-22 22:23:53,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:53,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436582968] [2024-11-22 22:23:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:53,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:53,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:53,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436582968] [2024-11-22 22:23:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436582968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:53,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:53,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:53,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799038611] [2024-11-22 22:23:53,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:53,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:53,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:53,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:53,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:53,128 INFO L87 Difference]: Start difference. First operand 201 states and 233 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:53,281 INFO L93 Difference]: Finished difference Result 217 states and 254 transitions. [2024-11-22 22:23:53,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:53,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-22 22:23:53,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:53,292 INFO L225 Difference]: With dead ends: 217 [2024-11-22 22:23:53,293 INFO L226 Difference]: Without dead ends: 216 [2024-11-22 22:23:53,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:53,293 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 163 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:53,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 101 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:53,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-22 22:23:53,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 205. [2024-11-22 22:23:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 157 states have (on average 1.4777070063694266) internal successors, (232), 200 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 238 transitions. [2024-11-22 22:23:53,301 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 238 transitions. Word has length 35 [2024-11-22 22:23:53,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:53,302 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 238 transitions. [2024-11-22 22:23:53,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 238 transitions. [2024-11-22 22:23:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:23:53,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:53,305 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:53,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 22:23:53,306 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:53,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:53,306 INFO L85 PathProgramCache]: Analyzing trace with hash 897070356, now seen corresponding path program 1 times [2024-11-22 22:23:53,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:53,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056958845] [2024-11-22 22:23:53,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:53,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:53,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:53,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056958845] [2024-11-22 22:23:53,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056958845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:53,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:53,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:53,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774503331] [2024-11-22 22:23:53,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:53,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:53,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:53,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:53,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:53,385 INFO L87 Difference]: Start difference. First operand 205 states and 238 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:53,473 INFO L93 Difference]: Finished difference Result 205 states and 238 transitions. [2024-11-22 22:23:53,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:53,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-22 22:23:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:53,475 INFO L225 Difference]: With dead ends: 205 [2024-11-22 22:23:53,475 INFO L226 Difference]: Without dead ends: 204 [2024-11-22 22:23:53,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:53,476 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 65 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:53,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 131 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:53,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-22 22:23:53,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-22 22:23:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 157 states have (on average 1.464968152866242) internal successors, (230), 199 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 236 transitions. [2024-11-22 22:23:53,483 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 236 transitions. Word has length 36 [2024-11-22 22:23:53,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:53,484 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 236 transitions. [2024-11-22 22:23:53,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 236 transitions. [2024-11-22 22:23:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:23:53,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:53,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:53,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 22:23:53,487 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:53,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1959755372, now seen corresponding path program 1 times [2024-11-22 22:23:53,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:53,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307885565] [2024-11-22 22:23:53,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:53,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:53,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307885565] [2024-11-22 22:23:53,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307885565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:53,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:53,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:53,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529956203] [2024-11-22 22:23:53,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:53,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:53,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:53,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:53,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:53,558 INFO L87 Difference]: Start difference. First operand 204 states and 236 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:53,690 INFO L93 Difference]: Finished difference Result 204 states and 236 transitions. [2024-11-22 22:23:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:53,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-22 22:23:53,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:53,691 INFO L225 Difference]: With dead ends: 204 [2024-11-22 22:23:53,691 INFO L226 Difference]: Without dead ends: 203 [2024-11-22 22:23:53,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:53,692 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 60 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:53,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 103 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-22 22:23:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-22 22:23:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 157 states have (on average 1.4585987261146496) internal successors, (229), 198 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 235 transitions. [2024-11-22 22:23:53,700 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 235 transitions. Word has length 37 [2024-11-22 22:23:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:53,700 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 235 transitions. [2024-11-22 22:23:53,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 235 transitions. [2024-11-22 22:23:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:23:53,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:53,701 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:53,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 22:23:53,701 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:53,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:53,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1203810474, now seen corresponding path program 1 times [2024-11-22 22:23:53,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:53,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134907716] [2024-11-22 22:23:53,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:53,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:53,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:53,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134907716] [2024-11-22 22:23:53,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134907716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:53,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:53,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:53,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654615633] [2024-11-22 22:23:53,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:53,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:53,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:53,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:53,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:53,770 INFO L87 Difference]: Start difference. First operand 203 states and 235 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:53,844 INFO L93 Difference]: Finished difference Result 223 states and 257 transitions. [2024-11-22 22:23:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:53,847 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-22 22:23:53,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:53,848 INFO L225 Difference]: With dead ends: 223 [2024-11-22 22:23:53,848 INFO L226 Difference]: Without dead ends: 221 [2024-11-22 22:23:53,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:53,849 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:53,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 292 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:53,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-22 22:23:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2024-11-22 22:23:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 172 states have (on average 1.436046511627907) internal successors, (247), 213 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 253 transitions. [2024-11-22 22:23:53,858 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 253 transitions. Word has length 38 [2024-11-22 22:23:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:53,858 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 253 transitions. [2024-11-22 22:23:53,859 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 253 transitions. [2024-11-22 22:23:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:23:53,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:53,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:53,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 22:23:53,860 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:53,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash -622874272, now seen corresponding path program 1 times [2024-11-22 22:23:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:53,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213337901] [2024-11-22 22:23:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:53,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:53,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213337901] [2024-11-22 22:23:53,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213337901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:53,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:53,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:23:53,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213455117] [2024-11-22 22:23:53,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:53,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:23:53,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:53,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:23:53,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:23:53,943 INFO L87 Difference]: Start difference. First operand 218 states and 253 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:54,164 INFO L93 Difference]: Finished difference Result 219 states and 253 transitions. [2024-11-22 22:23:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:23:54,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-22 22:23:54,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:54,166 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:23:54,166 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 22:23:54,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:23:54,166 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 142 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:54,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 146 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:54,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 22:23:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-22 22:23:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 172 states have (on average 1.430232558139535) internal successors, (246), 213 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 252 transitions. [2024-11-22 22:23:54,174 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 252 transitions. Word has length 38 [2024-11-22 22:23:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:54,174 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 252 transitions. [2024-11-22 22:23:54,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 252 transitions. [2024-11-22 22:23:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:23:54,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:54,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:54,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 22:23:54,175 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:54,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2129233130, now seen corresponding path program 1 times [2024-11-22 22:23:54,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:54,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743136335] [2024-11-22 22:23:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:54,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:54,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743136335] [2024-11-22 22:23:54,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743136335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:54,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:54,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:54,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383046624] [2024-11-22 22:23:54,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:54,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:54,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:54,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:54,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:54,232 INFO L87 Difference]: Start difference. First operand 218 states and 252 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:54,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:54,315 INFO L93 Difference]: Finished difference Result 256 states and 266 transitions. [2024-11-22 22:23:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:54,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-22 22:23:54,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:54,317 INFO L225 Difference]: With dead ends: 256 [2024-11-22 22:23:54,317 INFO L226 Difference]: Without dead ends: 254 [2024-11-22 22:23:54,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:54,318 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 57 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:54,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 289 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:54,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-22 22:23:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 226. [2024-11-22 22:23:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 180 states have (on average 1.4055555555555554) internal successors, (253), 221 states have internal predecessors, (253), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 259 transitions. [2024-11-22 22:23:54,326 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 259 transitions. Word has length 39 [2024-11-22 22:23:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:54,326 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 259 transitions. [2024-11-22 22:23:54,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:23:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 259 transitions. [2024-11-22 22:23:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:23:54,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:54,327 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:54,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 22:23:54,327 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:54,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:54,328 INFO L85 PathProgramCache]: Analyzing trace with hash 259213322, now seen corresponding path program 1 times [2024-11-22 22:23:54,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:54,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535538859] [2024-11-22 22:23:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:54,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554266077] [2024-11-22 22:23:54,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:54,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:54,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:54,343 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) [2024-11-22 22:23:54,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:23:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:54,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:23:54,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:54,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:23:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:54,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:54,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535538859] [2024-11-22 22:23:54,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:54,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554266077] [2024-11-22 22:23:54,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554266077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:23:54,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:23:54,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:23:54,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211974083] [2024-11-22 22:23:54,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:23:54,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:23:54,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:54,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:23:54,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:23:54,899 INFO L87 Difference]: Start difference. First operand 226 states and 259 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:55,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:55,557 INFO L93 Difference]: Finished difference Result 226 states and 259 transitions. [2024-11-22 22:23:55,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:23:55,557 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-22 22:23:55,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:55,558 INFO L225 Difference]: With dead ends: 226 [2024-11-22 22:23:55,559 INFO L226 Difference]: Without dead ends: 222 [2024-11-22 22:23:55,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:23:55,560 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 374 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:55,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 219 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:23:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-22 22:23:55,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 213. [2024-11-22 22:23:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 171 states have (on average 1.3801169590643274) internal successors, (236), 208 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:23:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 242 transitions. [2024-11-22 22:23:55,570 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 242 transitions. Word has length 41 [2024-11-22 22:23:55,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:55,571 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 242 transitions. [2024-11-22 22:23:55,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 242 transitions. [2024-11-22 22:23:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:23:55,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:55,571 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:23:55,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:23:55,775 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,SelfDestructingSolverStorable24 [2024-11-22 22:23:55,776 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:55,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:55,776 INFO L85 PathProgramCache]: Analyzing trace with hash -554321557, now seen corresponding path program 1 times [2024-11-22 22:23:55,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:55,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517842856] [2024-11-22 22:23:55,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:55,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697340886] [2024-11-22 22:23:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:55,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:55,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:55,790 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) [2024-11-22 22:23:55,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:23:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:55,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:23:55,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:55,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:23:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:56,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:56,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517842856] [2024-11-22 22:23:56,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:56,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697340886] [2024-11-22 22:23:56,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697340886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:23:56,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:23:56,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:23:56,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638343793] [2024-11-22 22:23:56,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:23:56,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:23:56,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:56,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:23:56,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:23:56,144 INFO L87 Difference]: Start difference. First operand 213 states and 242 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:56,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:56,568 INFO L93 Difference]: Finished difference Result 323 states and 382 transitions. [2024-11-22 22:23:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:23:56,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-22 22:23:56,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:56,571 INFO L225 Difference]: With dead ends: 323 [2024-11-22 22:23:56,571 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:23:56,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:23:56,572 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 443 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:56,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 347 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:23:56,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:23:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 301. [2024-11-22 22:23:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 258 states have (on average 1.372093023255814) internal successors, (354), 294 states have internal predecessors, (354), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:23:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 364 transitions. [2024-11-22 22:23:56,585 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 364 transitions. Word has length 42 [2024-11-22 22:23:56,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:56,586 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 364 transitions. [2024-11-22 22:23:56,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 364 transitions. [2024-11-22 22:23:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:23:56,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:56,586 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:56,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:23:56,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,787 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:56,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash 355803214, now seen corresponding path program 1 times [2024-11-22 22:23:56,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:56,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945161099] [2024-11-22 22:23:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:56,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935497008] [2024-11-22 22:23:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:56,805 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) [2024-11-22 22:23:56,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:23:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:56,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:23:56,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:56,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:23:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:57,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:57,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945161099] [2024-11-22 22:23:57,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:57,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935497008] [2024-11-22 22:23:57,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935497008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:23:57,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:23:57,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:23:57,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660066601] [2024-11-22 22:23:57,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:23:57,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:23:57,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:57,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:23:57,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:23:57,141 INFO L87 Difference]: Start difference. First operand 301 states and 364 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:58,011 INFO L93 Difference]: Finished difference Result 449 states and 545 transitions. [2024-11-22 22:23:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:23:58,012 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2024-11-22 22:23:58,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:58,013 INFO L225 Difference]: With dead ends: 449 [2024-11-22 22:23:58,014 INFO L226 Difference]: Without dead ends: 447 [2024-11-22 22:23:58,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:23:58,014 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 662 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:58,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 279 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:23:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-22 22:23:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 347. [2024-11-22 22:23:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 302 states have (on average 1.3940397350993377) internal successors, (421), 338 states have internal predecessors, (421), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:23:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 435 transitions. [2024-11-22 22:23:58,030 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 435 transitions. Word has length 45 [2024-11-22 22:23:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:58,030 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 435 transitions. [2024-11-22 22:23:58,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 435 transitions. [2024-11-22 22:23:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:23:58,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:58,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:58,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:23:58,235 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,SelfDestructingSolverStorable26 [2024-11-22 22:23:58,236 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:23:58,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:58,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1855002193, now seen corresponding path program 1 times [2024-11-22 22:23:58,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:58,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888674583] [2024-11-22 22:23:58,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:58,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693726474] [2024-11-22 22:23:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:58,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:58,257 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) [2024-11-22 22:23:58,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:23:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:58,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:23:58,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:58,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:23:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:23:58,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:58,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888674583] [2024-11-22 22:23:58,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:58,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693726474] [2024-11-22 22:23:58,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693726474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:23:58,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:23:58,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:23:58,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686664816] [2024-11-22 22:23:58,958 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:23:58,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:23:58,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:58,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:23:58,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:23:58,960 INFO L87 Difference]: Start difference. First operand 347 states and 435 transitions. Second operand has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:00,318 INFO L93 Difference]: Finished difference Result 445 states and 552 transitions. [2024-11-22 22:24:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-22 22:24:00,318 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2024-11-22 22:24:00,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:00,320 INFO L225 Difference]: With dead ends: 445 [2024-11-22 22:24:00,323 INFO L226 Difference]: Without dead ends: 443 [2024-11-22 22:24:00,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:24:00,324 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 621 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:00,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 212 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:24:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-22 22:24:00,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 378. [2024-11-22 22:24:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 332 states have (on average 1.394578313253012) internal successors, (463), 368 states have internal predecessors, (463), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:24:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 479 transitions. [2024-11-22 22:24:00,364 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 479 transitions. Word has length 46 [2024-11-22 22:24:00,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:00,365 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 479 transitions. [2024-11-22 22:24:00,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 479 transitions. [2024-11-22 22:24:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 22:24:00,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:00,365 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:00,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:00,569 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,SelfDestructingSolverStorable27 [2024-11-22 22:24:00,570 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:00,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1815205214, now seen corresponding path program 1 times [2024-11-22 22:24:00,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:00,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589053276] [2024-11-22 22:24:00,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433105363] [2024-11-22 22:24:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:00,594 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) [2024-11-22 22:24:00,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:24:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:00,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:00,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:00,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:00,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589053276] [2024-11-22 22:24:00,974 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433105363] [2024-11-22 22:24:00,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433105363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:00,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:00,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:24:00,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873060791] [2024-11-22 22:24:00,975 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:00,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:00,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:00,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:00,976 INFO L87 Difference]: Start difference. First operand 378 states and 479 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:01,250 INFO L93 Difference]: Finished difference Result 392 states and 487 transitions. [2024-11-22 22:24:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2024-11-22 22:24:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:01,253 INFO L225 Difference]: With dead ends: 392 [2024-11-22 22:24:01,253 INFO L226 Difference]: Without dead ends: 388 [2024-11-22 22:24:01,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:01,257 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 182 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:01,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 342 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:01,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-22 22:24:01,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 374. [2024-11-22 22:24:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 332 states have (on average 1.3644578313253013) internal successors, (453), 364 states have internal predecessors, (453), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:24:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 469 transitions. [2024-11-22 22:24:01,274 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 469 transitions. Word has length 47 [2024-11-22 22:24:01,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:01,275 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 469 transitions. [2024-11-22 22:24:01,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 469 transitions. [2024-11-22 22:24:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:24:01,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:01,276 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:01,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:01,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:24:01,476 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:01,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:01,477 INFO L85 PathProgramCache]: Analyzing trace with hash 436786843, now seen corresponding path program 1 times [2024-11-22 22:24:01,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:01,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881300573] [2024-11-22 22:24:01,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:01,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:01,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507517617] [2024-11-22 22:24:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:01,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:01,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:01,497 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) [2024-11-22 22:24:01,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:24:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:01,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:24:01,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:01,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:02,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:02,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881300573] [2024-11-22 22:24:02,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:02,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507517617] [2024-11-22 22:24:02,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507517617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:02,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:02,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:24:02,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388306336] [2024-11-22 22:24:02,056 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:02,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:24:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:24:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:02,057 INFO L87 Difference]: Start difference. First operand 374 states and 469 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,319 INFO L93 Difference]: Finished difference Result 488 states and 609 transitions. [2024-11-22 22:24:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:02,319 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2024-11-22 22:24:02,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,321 INFO L225 Difference]: With dead ends: 488 [2024-11-22 22:24:02,321 INFO L226 Difference]: Without dead ends: 486 [2024-11-22 22:24:02,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:02,322 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 282 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 361 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:02,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-22 22:24:02,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 442. [2024-11-22 22:24:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 398 states have (on average 1.3894472361809045) internal successors, (553), 430 states have internal predecessors, (553), 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) [2024-11-22 22:24:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 573 transitions. [2024-11-22 22:24:02,340 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 573 transitions. Word has length 48 [2024-11-22 22:24:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,341 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 573 transitions. [2024-11-22 22:24:02,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 573 transitions. [2024-11-22 22:24:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:24:02,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,341 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:02,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:24:02,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:02,542 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:02,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,542 INFO L85 PathProgramCache]: Analyzing trace with hash 973928594, now seen corresponding path program 1 times [2024-11-22 22:24:02,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969940586] [2024-11-22 22:24:02,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:02,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607992298] [2024-11-22 22:24:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:02,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:02,555 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) [2024-11-22 22:24:02,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:24:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:02,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:24:02,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:24:02,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:24:02,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:02,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969940586] [2024-11-22 22:24:02,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:02,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607992298] [2024-11-22 22:24:02,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607992298] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:02,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:02,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-22 22:24:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434121213] [2024-11-22 22:24:02,709 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:02,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:02,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:02,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:02,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:02,710 INFO L87 Difference]: Start difference. First operand 442 states and 573 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:02,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,938 INFO L93 Difference]: Finished difference Result 484 states and 601 transitions. [2024-11-22 22:24:02,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:02,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-22 22:24:02,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,940 INFO L225 Difference]: With dead ends: 484 [2024-11-22 22:24:02,941 INFO L226 Difference]: Without dead ends: 482 [2024-11-22 22:24:02,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:02,941 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 219 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 228 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-22 22:24:02,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 442. [2024-11-22 22:24:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 398 states have (on average 1.379396984924623) internal successors, (549), 430 states have internal predecessors, (549), 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) [2024-11-22 22:24:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 569 transitions. [2024-11-22 22:24:02,962 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 569 transitions. Word has length 49 [2024-11-22 22:24:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,963 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 569 transitions. [2024-11-22 22:24:02,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 569 transitions. [2024-11-22 22:24:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:24:02,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:02,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:24:03,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:03,164 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:03,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:03,165 INFO L85 PathProgramCache]: Analyzing trace with hash -357489484, now seen corresponding path program 1 times [2024-11-22 22:24:03,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:03,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185632723] [2024-11-22 22:24:03,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:03,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005963168] [2024-11-22 22:24:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:03,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:03,185 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) [2024-11-22 22:24:03,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:24:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:03,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:24:03,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:03,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:03,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:03,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185632723] [2024-11-22 22:24:03,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:03,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005963168] [2024-11-22 22:24:03,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005963168] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:03,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:03,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:24:03,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503282049] [2024-11-22 22:24:03,719 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:03,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:24:03,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:03,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:24:03,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:03,722 INFO L87 Difference]: Start difference. First operand 442 states and 569 transitions. Second operand has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 14 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:04,945 INFO L93 Difference]: Finished difference Result 504 states and 642 transitions. [2024-11-22 22:24:04,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:24:04,945 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 14 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-22 22:24:04,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:04,947 INFO L225 Difference]: With dead ends: 504 [2024-11-22 22:24:04,947 INFO L226 Difference]: Without dead ends: 500 [2024-11-22 22:24:04,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:24:04,948 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 592 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:04,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 201 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:24:04,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-22 22:24:04,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 457. [2024-11-22 22:24:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 413 states have (on average 1.360774818401937) internal successors, (562), 445 states have internal predecessors, (562), 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) [2024-11-22 22:24:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 582 transitions. [2024-11-22 22:24:04,968 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 582 transitions. Word has length 51 [2024-11-22 22:24:04,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:04,968 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 582 transitions. [2024-11-22 22:24:04,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 14 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 582 transitions. [2024-11-22 22:24:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:24:04,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:04,969 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:04,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-22 22:24:05,173 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,SelfDestructingSolverStorable31 [2024-11-22 22:24:05,174 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:05,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1434008414, now seen corresponding path program 1 times [2024-11-22 22:24:05,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:05,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233578279] [2024-11-22 22:24:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:05,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864960128] [2024-11-22 22:24:05,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:05,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:05,200 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) [2024-11-22 22:24:05,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:24:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:24:05,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:05,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:05,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:05,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233578279] [2024-11-22 22:24:05,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:05,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864960128] [2024-11-22 22:24:05,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864960128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:05,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:05,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-22 22:24:05,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294973296] [2024-11-22 22:24:05,494 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:05,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:05,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:05,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:05,495 INFO L87 Difference]: Start difference. First operand 457 states and 582 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:06,265 INFO L93 Difference]: Finished difference Result 595 states and 715 transitions. [2024-11-22 22:24:06,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:24:06,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-22 22:24:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:06,268 INFO L225 Difference]: With dead ends: 595 [2024-11-22 22:24:06,268 INFO L226 Difference]: Without dead ends: 594 [2024-11-22 22:24:06,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:24:06,269 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 1070 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:06,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 452 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:24:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-22 22:24:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 494. [2024-11-22 22:24:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 449 states have (on average 1.3608017817371938) internal successors, (611), 481 states have internal predecessors, (611), 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) [2024-11-22 22:24:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 633 transitions. [2024-11-22 22:24:06,291 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 633 transitions. Word has length 51 [2024-11-22 22:24:06,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,291 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 633 transitions. [2024-11-22 22:24:06,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 633 transitions. [2024-11-22 22:24:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:24:06,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:06,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:06,493 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,SelfDestructingSolverStorable32 [2024-11-22 22:24:06,493 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:06,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,494 INFO L85 PathProgramCache]: Analyzing trace with hash -639204917, now seen corresponding path program 1 times [2024-11-22 22:24:06,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135808442] [2024-11-22 22:24:06,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:06,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:06,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135808442] [2024-11-22 22:24:06,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135808442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:06,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:06,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:06,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691073850] [2024-11-22 22:24:06,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:06,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:06,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:06,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:06,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:06,605 INFO L87 Difference]: Start difference. First operand 494 states and 633 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:06,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:06,806 INFO L93 Difference]: Finished difference Result 499 states and 638 transitions. [2024-11-22 22:24:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:06,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-11-22 22:24:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:06,808 INFO L225 Difference]: With dead ends: 499 [2024-11-22 22:24:06,808 INFO L226 Difference]: Without dead ends: 498 [2024-11-22 22:24:06,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:24:06,809 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 47 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:06,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 107 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:06,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-22 22:24:06,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 497. [2024-11-22 22:24:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 452 states have (on average 1.3584070796460177) internal successors, (614), 484 states have internal predecessors, (614), 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) [2024-11-22 22:24:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 636 transitions. [2024-11-22 22:24:06,830 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 636 transitions. Word has length 52 [2024-11-22 22:24:06,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,831 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 636 transitions. [2024-11-22 22:24:06,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 636 transitions. [2024-11-22 22:24:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:24:06,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,831 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:06,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-22 22:24:06,832 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:06,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1802727957, now seen corresponding path program 1 times [2024-11-22 22:24:06,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212836378] [2024-11-22 22:24:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:06,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:06,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212836378] [2024-11-22 22:24:06,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212836378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:06,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134471501] [2024-11-22 22:24:06,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:06,902 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:06,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:24:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:06,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:06,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:07,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134471501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:07,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:07,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-22 22:24:07,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036437669] [2024-11-22 22:24:07,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:07,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:24:07,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:07,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:24:07,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:07,067 INFO L87 Difference]: Start difference. First operand 497 states and 636 transitions. Second operand has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:24:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:07,320 INFO L93 Difference]: Finished difference Result 498 states and 637 transitions. [2024-11-22 22:24:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:24:07,320 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 52 [2024-11-22 22:24:07,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:07,322 INFO L225 Difference]: With dead ends: 498 [2024-11-22 22:24:07,322 INFO L226 Difference]: Without dead ends: 496 [2024-11-22 22:24:07,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:07,323 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 221 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:07,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 241 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-22 22:24:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 495. [2024-11-22 22:24:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 452 states have (on average 1.329646017699115) internal successors, (601), 482 states have internal predecessors, (601), 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) [2024-11-22 22:24:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 623 transitions. [2024-11-22 22:24:07,346 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 623 transitions. Word has length 52 [2024-11-22 22:24:07,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:07,349 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 623 transitions. [2024-11-22 22:24:07,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:24:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 623 transitions. [2024-11-22 22:24:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:24:07,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:07,354 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:07,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-22 22:24:07,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:07,554 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:07,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1504587809, now seen corresponding path program 1 times [2024-11-22 22:24:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826601712] [2024-11-22 22:24:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:07,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835085217] [2024-11-22 22:24:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:07,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:07,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:07,571 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:07,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:24:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:07,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:24:07,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:07,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:08,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:08,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826601712] [2024-11-22 22:24:08,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:08,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835085217] [2024-11-22 22:24:08,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835085217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:08,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:08,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-22 22:24:08,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803461662] [2024-11-22 22:24:08,050 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:08,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:08,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:08,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:08,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:08,051 INFO L87 Difference]: Start difference. First operand 495 states and 623 transitions. Second operand has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:08,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:08,653 INFO L93 Difference]: Finished difference Result 592 states and 697 transitions. [2024-11-22 22:24:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:24:08,654 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-22 22:24:08,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:08,656 INFO L225 Difference]: With dead ends: 592 [2024-11-22 22:24:08,656 INFO L226 Difference]: Without dead ends: 590 [2024-11-22 22:24:08,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:24:08,658 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 1133 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:08,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 422 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:08,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-22 22:24:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 495. [2024-11-22 22:24:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 452 states have (on average 1.3119469026548674) internal successors, (593), 482 states have internal predecessors, (593), 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) [2024-11-22 22:24:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 615 transitions. [2024-11-22 22:24:08,681 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 615 transitions. Word has length 52 [2024-11-22 22:24:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:08,681 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 615 transitions. [2024-11-22 22:24:08,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 615 transitions. [2024-11-22 22:24:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:24:08,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:08,682 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:08,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:08,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:08,883 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:08,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1659484226, now seen corresponding path program 1 times [2024-11-22 22:24:08,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:08,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555973258] [2024-11-22 22:24:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:08,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:08,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:08,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555973258] [2024-11-22 22:24:08,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555973258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:08,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:08,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:08,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80699838] [2024-11-22 22:24:08,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:08,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:08,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:08,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:08,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:08,950 INFO L87 Difference]: Start difference. First operand 495 states and 615 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:09,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:09,266 INFO L93 Difference]: Finished difference Result 497 states and 616 transitions. [2024-11-22 22:24:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:09,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-11-22 22:24:09,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:09,269 INFO L225 Difference]: With dead ends: 497 [2024-11-22 22:24:09,269 INFO L226 Difference]: Without dead ends: 474 [2024-11-22 22:24:09,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:24:09,270 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 44 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:09,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 108 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:09,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-22 22:24:09,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2024-11-22 22:24:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 431 states have (on average 1.3248259860788862) internal successors, (571), 461 states have internal predecessors, (571), 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) [2024-11-22 22:24:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 593 transitions. [2024-11-22 22:24:09,289 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 593 transitions. Word has length 53 [2024-11-22 22:24:09,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:09,289 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 593 transitions. [2024-11-22 22:24:09,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 593 transitions. [2024-11-22 22:24:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:24:09,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:09,290 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:09,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-22 22:24:09,290 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:09,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash 602418244, now seen corresponding path program 1 times [2024-11-22 22:24:09,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:09,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563046391] [2024-11-22 22:24:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:09,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:09,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [15080038] [2024-11-22 22:24:09,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:09,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:09,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:09,306 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:09,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:24:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:09,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:24:09,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:09,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:10,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:10,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563046391] [2024-11-22 22:24:10,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:10,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15080038] [2024-11-22 22:24:10,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15080038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:10,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:10,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-22 22:24:10,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776427891] [2024-11-22 22:24:10,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:10,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 22:24:10,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:10,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 22:24:10,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:24:10,180 INFO L87 Difference]: Start difference. First operand 474 states and 593 transitions. Second operand has 24 states, 23 states have (on average 4.086956521739131) internal successors, (94), 24 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:11,525 INFO L93 Difference]: Finished difference Result 544 states and 675 transitions. [2024-11-22 22:24:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-22 22:24:11,525 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.086956521739131) internal successors, (94), 24 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 53 [2024-11-22 22:24:11,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:11,527 INFO L225 Difference]: With dead ends: 544 [2024-11-22 22:24:11,527 INFO L226 Difference]: Without dead ends: 542 [2024-11-22 22:24:11,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=341, Invalid=1729, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 22:24:11,528 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 487 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:11,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 296 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:24:11,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-22 22:24:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 476. [2024-11-22 22:24:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 433 states have (on average 1.3187066974595842) internal successors, (571), 463 states have internal predecessors, (571), 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) [2024-11-22 22:24:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 593 transitions. [2024-11-22 22:24:11,561 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 593 transitions. Word has length 53 [2024-11-22 22:24:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:11,561 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 593 transitions. [2024-11-22 22:24:11,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.086956521739131) internal successors, (94), 24 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 593 transitions. [2024-11-22 22:24:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:24:11,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:11,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:11,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:11,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-22 22:24:11,766 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:11,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:11,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1495096449, now seen corresponding path program 1 times [2024-11-22 22:24:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:11,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650568283] [2024-11-22 22:24:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734294475] [2024-11-22 22:24:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:11,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:11,786 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:11,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:24:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:11,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:24:11,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:12,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:12,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:12,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650568283] [2024-11-22 22:24:12,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:12,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734294475] [2024-11-22 22:24:12,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734294475] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:12,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:12,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-22 22:24:12,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559356508] [2024-11-22 22:24:12,458 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:12,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:24:12,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:12,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:24:12,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:24:12,460 INFO L87 Difference]: Start difference. First operand 476 states and 593 transitions. Second operand has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:14,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:14,441 INFO L93 Difference]: Finished difference Result 577 states and 719 transitions. [2024-11-22 22:24:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 22:24:14,442 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 54 [2024-11-22 22:24:14,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:14,443 INFO L225 Difference]: With dead ends: 577 [2024-11-22 22:24:14,443 INFO L226 Difference]: Without dead ends: 572 [2024-11-22 22:24:14,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=343, Invalid=1549, Unknown=0, NotChecked=0, Total=1892 [2024-11-22 22:24:14,444 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 713 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:14,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 257 Invalid, 1688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-22 22:24:14,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-22 22:24:14,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 490. [2024-11-22 22:24:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 447 states have (on average 1.308724832214765) internal successors, (585), 477 states have internal predecessors, (585), 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) [2024-11-22 22:24:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 607 transitions. [2024-11-22 22:24:14,467 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 607 transitions. Word has length 54 [2024-11-22 22:24:14,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:14,467 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 607 transitions. [2024-11-22 22:24:14,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 607 transitions. [2024-11-22 22:24:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:24:14,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:14,468 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:14,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:14,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-22 22:24:14,669 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:14,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:14,669 INFO L85 PathProgramCache]: Analyzing trace with hash -896650266, now seen corresponding path program 1 times [2024-11-22 22:24:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:14,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650126611] [2024-11-22 22:24:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:14,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996943724] [2024-11-22 22:24:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:14,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:14,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:14,682 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:14,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:24:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:14,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:24:14,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:14,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:15,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650126611] [2024-11-22 22:24:15,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996943724] [2024-11-22 22:24:15,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996943724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:15,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:15,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:24:15,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144953781] [2024-11-22 22:24:15,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:15,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:24:15,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:15,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:24:15,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:15,029 INFO L87 Difference]: Start difference. First operand 490 states and 607 transitions. Second operand has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:15,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:15,981 INFO L93 Difference]: Finished difference Result 587 states and 726 transitions. [2024-11-22 22:24:15,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-22 22:24:15,981 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 55 [2024-11-22 22:24:15,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:15,983 INFO L225 Difference]: With dead ends: 587 [2024-11-22 22:24:15,983 INFO L226 Difference]: Without dead ends: 585 [2024-11-22 22:24:15,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:24:15,984 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 288 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:15,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 419 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:24:15,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-22 22:24:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 502. [2024-11-22 22:24:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 459 states have (on average 1.3137254901960784) internal successors, (603), 489 states have internal predecessors, (603), 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) [2024-11-22 22:24:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 625 transitions. [2024-11-22 22:24:16,005 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 625 transitions. Word has length 55 [2024-11-22 22:24:16,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:16,006 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 625 transitions. [2024-11-22 22:24:16,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 625 transitions. [2024-11-22 22:24:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 22:24:16,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:16,006 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:16,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:16,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:24:16,207 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:16,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1045061031, now seen corresponding path program 1 times [2024-11-22 22:24:16,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:16,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792793078] [2024-11-22 22:24:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:16,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:16,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:16,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792793078] [2024-11-22 22:24:16,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792793078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:16,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730426476] [2024-11-22 22:24:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:16,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:16,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:16,279 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:16,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:24:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:16,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:16,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:16,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:16,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730426476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:16,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:16,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-22 22:24:16,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288234424] [2024-11-22 22:24:16,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:16,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:16,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:16,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:16,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:16,545 INFO L87 Difference]: Start difference. First operand 502 states and 625 transitions. Second operand has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:16,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:16,908 INFO L93 Difference]: Finished difference Result 664 states and 845 transitions. [2024-11-22 22:24:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:24:16,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-11-22 22:24:16,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:16,910 INFO L225 Difference]: With dead ends: 664 [2024-11-22 22:24:16,910 INFO L226 Difference]: Without dead ends: 662 [2024-11-22 22:24:16,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:16,911 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 246 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:16,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 281 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:16,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-22 22:24:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 632. [2024-11-22 22:24:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 586 states have (on average 1.341296928327645) internal successors, (786), 616 states have internal predecessors, (786), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:24:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 814 transitions. [2024-11-22 22:24:16,940 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 814 transitions. Word has length 56 [2024-11-22 22:24:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:16,941 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 814 transitions. [2024-11-22 22:24:16,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 814 transitions. [2024-11-22 22:24:16,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 22:24:16,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:16,941 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:16,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:17,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:17,142 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:17,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1962846490, now seen corresponding path program 1 times [2024-11-22 22:24:17,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:17,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149761831] [2024-11-22 22:24:17,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:17,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:17,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149761831] [2024-11-22 22:24:17,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149761831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:17,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:17,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:24:17,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112383642] [2024-11-22 22:24:17,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:17,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:17,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:17,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:17,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:24:17,199 INFO L87 Difference]: Start difference. First operand 632 states and 814 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:17,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:17,462 INFO L93 Difference]: Finished difference Result 874 states and 1145 transitions. [2024-11-22 22:24:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:17,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-22 22:24:17,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:17,465 INFO L225 Difference]: With dead ends: 874 [2024-11-22 22:24:17,465 INFO L226 Difference]: Without dead ends: 872 [2024-11-22 22:24:17,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:24:17,466 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 85 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:17,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 309 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:17,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-11-22 22:24:17,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 802. [2024-11-22 22:24:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 751 states have (on average 1.3675099866844207) internal successors, (1027), 781 states have internal predecessors, (1027), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:24:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1065 transitions. [2024-11-22 22:24:17,512 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1065 transitions. Word has length 57 [2024-11-22 22:24:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:17,512 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1065 transitions. [2024-11-22 22:24:17,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:24:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1065 transitions. [2024-11-22 22:24:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 22:24:17,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:17,513 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:17,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-22 22:24:17,513 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:17,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 718699131, now seen corresponding path program 1 times [2024-11-22 22:24:17,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:17,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355672529] [2024-11-22 22:24:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:17,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:17,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865998639] [2024-11-22 22:24:17,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:17,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:17,527 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:17,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:24:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:17,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:24:17,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:17,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 22:24:18,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:18,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355672529] [2024-11-22 22:24:18,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:18,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865998639] [2024-11-22 22:24:18,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865998639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:18,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:18,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-22 22:24:18,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307126353] [2024-11-22 22:24:18,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:18,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:18,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:18,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:18,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:18,010 INFO L87 Difference]: Start difference. First operand 802 states and 1065 transitions. Second operand has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:19,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:19,532 INFO L93 Difference]: Finished difference Result 827 states and 1090 transitions. [2024-11-22 22:24:19,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 22:24:19,533 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-11-22 22:24:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:19,535 INFO L225 Difference]: With dead ends: 827 [2024-11-22 22:24:19,535 INFO L226 Difference]: Without dead ends: 801 [2024-11-22 22:24:19,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:24:19,536 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 322 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:19,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 190 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:24:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-22 22:24:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 787. [2024-11-22 22:24:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 736 states have (on average 1.3695652173913044) internal successors, (1008), 766 states have internal predecessors, (1008), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:24:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1046 transitions. [2024-11-22 22:24:19,576 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1046 transitions. Word has length 58 [2024-11-22 22:24:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:19,576 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1046 transitions. [2024-11-22 22:24:19,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1046 transitions. [2024-11-22 22:24:19,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-22 22:24:19,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:19,577 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:19,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-22 22:24:19,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:19,777 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:19,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:19,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1358421206, now seen corresponding path program 1 times [2024-11-22 22:24:19,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:19,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077924795] [2024-11-22 22:24:19,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:19,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:19,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:19,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077924795] [2024-11-22 22:24:19,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077924795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:19,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226601468] [2024-11-22 22:24:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:19,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:19,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:19,837 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:19,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:24:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:19,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:19,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:19,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:20,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226601468] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:20,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:20,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-22 22:24:20,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756824183] [2024-11-22 22:24:20,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:20,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:24:20,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:20,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:24:20,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:24:20,089 INFO L87 Difference]: Start difference. First operand 787 states and 1046 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:20,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:20,420 INFO L93 Difference]: Finished difference Result 821 states and 1070 transitions. [2024-11-22 22:24:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:24:20,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-11-22 22:24:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:20,423 INFO L225 Difference]: With dead ends: 821 [2024-11-22 22:24:20,423 INFO L226 Difference]: Without dead ends: 819 [2024-11-22 22:24:20,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:20,424 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 195 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:20,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 172 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:20,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-22 22:24:20,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 791. [2024-11-22 22:24:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 740 states have (on average 1.3527027027027028) internal successors, (1001), 770 states have internal predecessors, (1001), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:24:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1039 transitions. [2024-11-22 22:24:20,471 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1039 transitions. Word has length 59 [2024-11-22 22:24:20,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:20,472 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1039 transitions. [2024-11-22 22:24:20,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1039 transitions. [2024-11-22 22:24:20,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 22:24:20,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:20,473 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:20,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:20,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:20,673 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:20,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash 227281612, now seen corresponding path program 1 times [2024-11-22 22:24:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:20,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162221263] [2024-11-22 22:24:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:20,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427274116] [2024-11-22 22:24:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:20,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:20,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:20,690 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:20,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:24:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:20,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:24:20,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:20,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 22:24:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:21,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162221263] [2024-11-22 22:24:21,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:21,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427274116] [2024-11-22 22:24:21,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427274116] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:21,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-22 22:24:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891582041] [2024-11-22 22:24:21,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:21,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:24:21,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:24:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:21,207 INFO L87 Difference]: Start difference. First operand 791 states and 1039 transitions. Second operand has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:22,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:22,294 INFO L93 Difference]: Finished difference Result 801 states and 1049 transitions. [2024-11-22 22:24:22,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:24:22,295 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2024-11-22 22:24:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:22,297 INFO L225 Difference]: With dead ends: 801 [2024-11-22 22:24:22,298 INFO L226 Difference]: Without dead ends: 799 [2024-11-22 22:24:22,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:24:22,299 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 297 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:22,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 115 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 22:24:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-11-22 22:24:22,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 796. [2024-11-22 22:24:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 746 states have (on average 1.341823056300268) internal successors, (1001), 775 states have internal predecessors, (1001), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:24:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1039 transitions. [2024-11-22 22:24:22,348 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1039 transitions. Word has length 61 [2024-11-22 22:24:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:22,348 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1039 transitions. [2024-11-22 22:24:22,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1039 transitions. [2024-11-22 22:24:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:24:22,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:22,349 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:22,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-22 22:24:22,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-22 22:24:22,550 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:22,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1544204535, now seen corresponding path program 1 times [2024-11-22 22:24:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:22,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660683822] [2024-11-22 22:24:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:22,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685355526] [2024-11-22 22:24:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:22,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:22,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:22,570 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:22,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:24:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:22,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:24:22,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:24:22,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 22:24:23,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:23,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660683822] [2024-11-22 22:24:23,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:23,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685355526] [2024-11-22 22:24:23,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685355526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:23,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:23,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-22 22:24:23,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250726097] [2024-11-22 22:24:23,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:23,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:24:23,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:23,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:24:23,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:23,176 INFO L87 Difference]: Start difference. First operand 796 states and 1039 transitions. Second operand has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 15 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:25,477 INFO L93 Difference]: Finished difference Result 798 states and 1040 transitions. [2024-11-22 22:24:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-22 22:24:25,477 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 15 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2024-11-22 22:24:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:25,479 INFO L225 Difference]: With dead ends: 798 [2024-11-22 22:24:25,479 INFO L226 Difference]: Without dead ends: 797 [2024-11-22 22:24:25,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:24:25,480 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 265 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:25,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 160 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-22 22:24:25,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-22 22:24:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 795. [2024-11-22 22:24:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 746 states have (on average 1.32171581769437) internal successors, (986), 774 states have internal predecessors, (986), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:24:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1024 transitions. [2024-11-22 22:24:25,516 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1024 transitions. Word has length 62 [2024-11-22 22:24:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:25,517 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1024 transitions. [2024-11-22 22:24:25,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 15 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1024 transitions. [2024-11-22 22:24:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:24:25,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:25,517 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:25,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:25,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:25,718 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1713033264, now seen corresponding path program 1 times [2024-11-22 22:24:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460139064] [2024-11-22 22:24:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:25,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:25,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460139064] [2024-11-22 22:24:25,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460139064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:25,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626042448] [2024-11-22 22:24:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:25,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:25,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:25,783 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:25,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:24:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:25,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:24:25,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:26,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626042448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:26,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:26,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:24:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371072851] [2024-11-22 22:24:26,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:26,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:24:26,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:26,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:24:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:26,132 INFO L87 Difference]: Start difference. First operand 795 states and 1024 transitions. Second operand has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:24:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:26,434 INFO L93 Difference]: Finished difference Result 1124 states and 1442 transitions. [2024-11-22 22:24:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:24:26,434 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 68 [2024-11-22 22:24:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:26,436 INFO L225 Difference]: With dead ends: 1124 [2024-11-22 22:24:26,437 INFO L226 Difference]: Without dead ends: 1123 [2024-11-22 22:24:26,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:24:26,437 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 418 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:26,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 244 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-11-22 22:24:26,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 997. [2024-11-22 22:24:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 942 states have (on average 1.321656050955414) internal successors, (1245), 970 states have internal predecessors, (1245), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:24:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1295 transitions. [2024-11-22 22:24:26,492 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1295 transitions. Word has length 68 [2024-11-22 22:24:26,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:26,492 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1295 transitions. [2024-11-22 22:24:26,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:24:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1295 transitions. [2024-11-22 22:24:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:24:26,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:26,493 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-22 22:24:26,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-22 22:24:26,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:26,693 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:26,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:26,694 INFO L85 PathProgramCache]: Analyzing trace with hash 753594882, now seen corresponding path program 1 times [2024-11-22 22:24:26,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:26,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902631216] [2024-11-22 22:24:26,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:26,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902631216] [2024-11-22 22:24:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902631216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509404397] [2024-11-22 22:24:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:26,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:26,749 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:26,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:24:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:26,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:26,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:26,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:27,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509404397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:27,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:27,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-22 22:24:27,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576059014] [2024-11-22 22:24:27,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:27,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:24:27,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:27,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:24:27,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:27,038 INFO L87 Difference]: Start difference. First operand 997 states and 1295 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:24:27,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:27,586 INFO L93 Difference]: Finished difference Result 1465 states and 1889 transitions. [2024-11-22 22:24:27,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:24:27,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 71 [2024-11-22 22:24:27,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:27,590 INFO L225 Difference]: With dead ends: 1465 [2024-11-22 22:24:27,590 INFO L226 Difference]: Without dead ends: 1464 [2024-11-22 22:24:27,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:27,591 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 370 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:27,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 515 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:27,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2024-11-22 22:24:27,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1256. [2024-11-22 22:24:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1193 states have (on average 1.3235540653813915) internal successors, (1579), 1221 states have internal predecessors, (1579), 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) [2024-11-22 22:24:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1645 transitions. [2024-11-22 22:24:27,668 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1645 transitions. Word has length 71 [2024-11-22 22:24:27,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:27,668 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1645 transitions. [2024-11-22 22:24:27,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:24:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1645 transitions. [2024-11-22 22:24:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 22:24:27,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:27,669 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2024-11-22 22:24:27,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:27,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-22 22:24:27,871 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:27,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:27,871 INFO L85 PathProgramCache]: Analyzing trace with hash -393579468, now seen corresponding path program 1 times [2024-11-22 22:24:27,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:27,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385666083] [2024-11-22 22:24:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:27,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:27,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:27,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385666083] [2024-11-22 22:24:27,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385666083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:27,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096847757] [2024-11-22 22:24:27,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:27,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:27,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:27,970 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:27,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:24:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:28,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:24:28,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:28,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:28,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096847757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:28,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:28,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-22 22:24:28,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621852558] [2024-11-22 22:24:28,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:28,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:24:28,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:24:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:24:28,547 INFO L87 Difference]: Start difference. First operand 1256 states and 1645 transitions. Second operand has 18 states, 17 states have (on average 11.294117647058824) internal successors, (192), 18 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:24:29,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:29,343 INFO L93 Difference]: Finished difference Result 1419 states and 1827 transitions. [2024-11-22 22:24:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:24:29,343 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.294117647058824) internal successors, (192), 18 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 75 [2024-11-22 22:24:29,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:29,346 INFO L225 Difference]: With dead ends: 1419 [2024-11-22 22:24:29,347 INFO L226 Difference]: Without dead ends: 1418 [2024-11-22 22:24:29,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:24:29,348 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 743 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:29,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 561 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:29,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2024-11-22 22:24:29,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1327. [2024-11-22 22:24:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1262 states have (on average 1.3201267828843106) internal successors, (1666), 1290 states have internal predecessors, (1666), 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) [2024-11-22 22:24:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1736 transitions. [2024-11-22 22:24:29,419 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1736 transitions. Word has length 75 [2024-11-22 22:24:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:29,420 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1736 transitions. [2024-11-22 22:24:29,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.294117647058824) internal successors, (192), 18 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:24:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1736 transitions. [2024-11-22 22:24:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 22:24:29,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:29,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:29,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-22 22:24:29,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-22 22:24:29,621 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:29,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:29,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1193332160, now seen corresponding path program 1 times [2024-11-22 22:24:29,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:29,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180703260] [2024-11-22 22:24:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:29,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:29,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866098820] [2024-11-22 22:24:29,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:29,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:29,636 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:29,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:24:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:29,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:24:29,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:29,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:30,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180703260] [2024-11-22 22:24:30,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866098820] [2024-11-22 22:24:30,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866098820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:30,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:30,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:24:30,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146749433] [2024-11-22 22:24:30,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:30,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:24:30,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:30,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:24:30,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:30,164 INFO L87 Difference]: Start difference. First operand 1327 states and 1736 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:31,004 INFO L93 Difference]: Finished difference Result 1346 states and 1750 transitions. [2024-11-22 22:24:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:24:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 76 [2024-11-22 22:24:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:31,007 INFO L225 Difference]: With dead ends: 1346 [2024-11-22 22:24:31,007 INFO L226 Difference]: Without dead ends: 1344 [2024-11-22 22:24:31,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:24:31,008 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 247 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:31,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 435 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:24:31,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-22 22:24:31,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1327. [2024-11-22 22:24:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1262 states have (on average 1.3161648177496037) internal successors, (1661), 1290 states have internal predecessors, (1661), 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) [2024-11-22 22:24:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1731 transitions. [2024-11-22 22:24:31,068 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1731 transitions. Word has length 76 [2024-11-22 22:24:31,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:31,068 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1731 transitions. [2024-11-22 22:24:31,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1731 transitions. [2024-11-22 22:24:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 22:24:31,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:31,069 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:31,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:31,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-22 22:24:31,270 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:31,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1661408851, now seen corresponding path program 1 times [2024-11-22 22:24:31,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:31,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260019576] [2024-11-22 22:24:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:31,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:31,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328595494] [2024-11-22 22:24:31,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:31,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:31,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:31,282 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:31,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:24:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:31,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-22 22:24:31,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:24:31,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:24:33,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:33,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260019576] [2024-11-22 22:24:33,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:33,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328595494] [2024-11-22 22:24:33,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328595494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:33,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:33,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-22 22:24:33,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451929434] [2024-11-22 22:24:33,070 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:33,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-22 22:24:33,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:33,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-22 22:24:33,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:24:33,071 INFO L87 Difference]: Start difference. First operand 1327 states and 1731 transitions. Second operand has 29 states, 28 states have (on average 4.892857142857143) internal successors, (137), 29 states have internal predecessors, (137), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:36,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:36,472 INFO L93 Difference]: Finished difference Result 1372 states and 1778 transitions. [2024-11-22 22:24:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-22 22:24:36,473 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.892857142857143) internal successors, (137), 29 states have internal predecessors, (137), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 77 [2024-11-22 22:24:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:36,476 INFO L225 Difference]: With dead ends: 1372 [2024-11-22 22:24:36,476 INFO L226 Difference]: Without dead ends: 1371 [2024-11-22 22:24:36,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=722, Invalid=2470, Unknown=0, NotChecked=0, Total=3192 [2024-11-22 22:24:36,477 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 372 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:36,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 460 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2072 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-22 22:24:36,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2024-11-22 22:24:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1327. [2024-11-22 22:24:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1262 states have (on average 1.3137876386687797) internal successors, (1658), 1290 states have internal predecessors, (1658), 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) [2024-11-22 22:24:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1728 transitions. [2024-11-22 22:24:36,540 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1728 transitions. Word has length 77 [2024-11-22 22:24:36,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:36,541 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1728 transitions. [2024-11-22 22:24:36,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.892857142857143) internal successors, (137), 29 states have internal predecessors, (137), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1728 transitions. [2024-11-22 22:24:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 22:24:36,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:36,541 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-22 22:24:36,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:36,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:36,742 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:36,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:36,743 INFO L85 PathProgramCache]: Analyzing trace with hash -272742922, now seen corresponding path program 1 times [2024-11-22 22:24:36,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:36,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217311354] [2024-11-22 22:24:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:36,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:36,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:36,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217311354] [2024-11-22 22:24:36,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217311354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:36,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246846901] [2024-11-22 22:24:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:36,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:36,809 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:36,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:24:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:36,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:24:36,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:36,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:36,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246846901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:36,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:36,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-22 22:24:36,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962740909] [2024-11-22 22:24:36,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:36,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:24:36,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:36,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:24:36,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:36,994 INFO L87 Difference]: Start difference. First operand 1327 states and 1728 transitions. Second operand has 12 states, 11 states have (on average 14.727272727272727) internal successors, (162), 12 states have internal predecessors, (162), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:24:37,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:37,160 INFO L93 Difference]: Finished difference Result 1872 states and 2407 transitions. [2024-11-22 22:24:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:24:37,161 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.727272727272727) internal successors, (162), 12 states have internal predecessors, (162), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2024-11-22 22:24:37,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:37,167 INFO L225 Difference]: With dead ends: 1872 [2024-11-22 22:24:37,167 INFO L226 Difference]: Without dead ends: 1871 [2024-11-22 22:24:37,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:37,168 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 229 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:37,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 626 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:24:37,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-11-22 22:24:37,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1642. [2024-11-22 22:24:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1568 states have (on average 1.3220663265306123) internal successors, (2073), 1596 states have internal predecessors, (2073), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-22 22:24:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2161 transitions. [2024-11-22 22:24:37,266 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2161 transitions. Word has length 77 [2024-11-22 22:24:37,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:37,266 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2161 transitions. [2024-11-22 22:24:37,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.727272727272727) internal successors, (162), 12 states have internal predecessors, (162), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:24:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2161 transitions. [2024-11-22 22:24:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:24:37,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:37,268 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:37,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:37,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:37,472 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:37,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:37,472 INFO L85 PathProgramCache]: Analyzing trace with hash -102524797, now seen corresponding path program 1 times [2024-11-22 22:24:37,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:37,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866670500] [2024-11-22 22:24:37,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:37,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:37,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546003787] [2024-11-22 22:24:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:37,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:37,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:37,487 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:37,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:24:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:37,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:24:37,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:37,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:38,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:38,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866670500] [2024-11-22 22:24:38,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:38,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546003787] [2024-11-22 22:24:38,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546003787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:38,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:38,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-22 22:24:38,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46379630] [2024-11-22 22:24:38,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:38,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:24:38,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:38,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:24:38,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:38,069 INFO L87 Difference]: Start difference. First operand 1642 states and 2161 transitions. Second operand has 17 states, 16 states have (on average 9.25) internal successors, (148), 17 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:39,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:39,525 INFO L93 Difference]: Finished difference Result 2335 states and 3041 transitions. [2024-11-22 22:24:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-22 22:24:39,526 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.25) internal successors, (148), 17 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 83 [2024-11-22 22:24:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:39,532 INFO L225 Difference]: With dead ends: 2335 [2024-11-22 22:24:39,532 INFO L226 Difference]: Without dead ends: 2332 [2024-11-22 22:24:39,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=854, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:24:39,533 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 974 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:39,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 408 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:24:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2024-11-22 22:24:39,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2103. [2024-11-22 22:24:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 2015 states have (on average 1.298759305210918) internal successors, (2617), 2043 states have internal predecessors, (2617), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:24:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2733 transitions. [2024-11-22 22:24:39,690 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2733 transitions. Word has length 83 [2024-11-22 22:24:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:39,691 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 2733 transitions. [2024-11-22 22:24:39,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.25) internal successors, (148), 17 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2733 transitions. [2024-11-22 22:24:39,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-22 22:24:39,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:39,692 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:39,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:39,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-22 22:24:39,893 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:39,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash 394567131, now seen corresponding path program 1 times [2024-11-22 22:24:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:39,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762974381] [2024-11-22 22:24:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:39,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206120934] [2024-11-22 22:24:39,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:39,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:39,910 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:39,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:24:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:39,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-22 22:24:39,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:40,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:40,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:41,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:41,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762974381] [2024-11-22 22:24:41,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:41,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206120934] [2024-11-22 22:24:41,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206120934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:41,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:41,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-22 22:24:41,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330156395] [2024-11-22 22:24:41,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:41,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-22 22:24:41,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:41,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-22 22:24:41,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2024-11-22 22:24:41,234 INFO L87 Difference]: Start difference. First operand 2103 states and 2733 transitions. Second operand has 33 states, 32 states have (on average 4.8125) internal successors, (154), 33 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:43,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:43,662 INFO L93 Difference]: Finished difference Result 2120 states and 2751 transitions. [2024-11-22 22:24:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-22 22:24:43,663 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 4.8125) internal successors, (154), 33 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 85 [2024-11-22 22:24:43,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:43,667 INFO L225 Difference]: With dead ends: 2120 [2024-11-22 22:24:43,667 INFO L226 Difference]: Without dead ends: 2119 [2024-11-22 22:24:43,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=507, Invalid=2573, Unknown=0, NotChecked=0, Total=3080 [2024-11-22 22:24:43,668 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 496 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 2187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:43,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 332 Invalid, 2187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 22:24:43,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2024-11-22 22:24:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 2103. [2024-11-22 22:24:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 2015 states have (on average 1.2982630272952853) internal successors, (2616), 2043 states have internal predecessors, (2616), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:24:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2732 transitions. [2024-11-22 22:24:43,785 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2732 transitions. Word has length 85 [2024-11-22 22:24:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:43,785 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 2732 transitions. [2024-11-22 22:24:43,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 4.8125) internal successors, (154), 33 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2732 transitions. [2024-11-22 22:24:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-22 22:24:43,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:43,786 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:43,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-22 22:24:43,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-22 22:24:43,991 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:43,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1346589538, now seen corresponding path program 1 times [2024-11-22 22:24:43,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:43,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742918658] [2024-11-22 22:24:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:43,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:44,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614533345] [2024-11-22 22:24:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:44,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:44,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:44,013 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:44,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-22 22:24:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:44,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:24:44,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:44,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:44,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:44,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742918658] [2024-11-22 22:24:44,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:44,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614533345] [2024-11-22 22:24:44,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614533345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:44,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:44,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:24:44,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912499405] [2024-11-22 22:24:44,866 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:44,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:24:44,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:44,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:24:44,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-11-22 22:24:44,867 INFO L87 Difference]: Start difference. First operand 2103 states and 2732 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:45,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:45,427 INFO L93 Difference]: Finished difference Result 2127 states and 2758 transitions. [2024-11-22 22:24:45,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:24:45,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 86 [2024-11-22 22:24:45,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:45,431 INFO L225 Difference]: With dead ends: 2127 [2024-11-22 22:24:45,431 INFO L226 Difference]: Without dead ends: 2125 [2024-11-22 22:24:45,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2024-11-22 22:24:45,433 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 110 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:45,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 709 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:45,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2024-11-22 22:24:45,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2107. [2024-11-22 22:24:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 2019 states have (on average 1.2981674096087172) internal successors, (2621), 2047 states have internal predecessors, (2621), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:24:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 2737 transitions. [2024-11-22 22:24:45,584 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 2737 transitions. Word has length 86 [2024-11-22 22:24:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:45,584 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 2737 transitions. [2024-11-22 22:24:45,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:24:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2737 transitions. [2024-11-22 22:24:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-22 22:24:45,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:45,587 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:45,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:45,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-22 22:24:45,791 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:45,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash -653320662, now seen corresponding path program 1 times [2024-11-22 22:24:45,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162280379] [2024-11-22 22:24:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:45,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:45,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:45,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162280379] [2024-11-22 22:24:45,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162280379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:45,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565089478] [2024-11-22 22:24:45,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:45,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:45,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:45,927 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:45,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-22 22:24:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:45,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:24:45,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:46,225 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:46,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565089478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:46,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:46,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-22 22:24:46,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429311781] [2024-11-22 22:24:46,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:46,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 22:24:46,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:46,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 22:24:46,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:24:46,422 INFO L87 Difference]: Start difference. First operand 2107 states and 2737 transitions. Second operand has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:24:47,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:47,051 INFO L93 Difference]: Finished difference Result 2124 states and 2753 transitions. [2024-11-22 22:24:47,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:24:47,051 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 86 [2024-11-22 22:24:47,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:47,054 INFO L225 Difference]: With dead ends: 2124 [2024-11-22 22:24:47,054 INFO L226 Difference]: Without dead ends: 2123 [2024-11-22 22:24:47,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:24:47,055 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 280 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:47,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 581 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:47,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-22 22:24:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2114. [2024-11-22 22:24:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 2026 states have (on average 1.297137216189536) internal successors, (2628), 2054 states have internal predecessors, (2628), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:24:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2744 transitions. [2024-11-22 22:24:47,168 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2744 transitions. Word has length 86 [2024-11-22 22:24:47,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:47,169 INFO L471 AbstractCegarLoop]: Abstraction has 2114 states and 2744 transitions. [2024-11-22 22:24:47,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:24:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2744 transitions. [2024-11-22 22:24:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-22 22:24:47,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:47,170 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:47,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:47,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:47,371 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:47,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:47,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1205397213, now seen corresponding path program 1 times [2024-11-22 22:24:47,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:47,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383192841] [2024-11-22 22:24:47,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:47,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:47,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289197712] [2024-11-22 22:24:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:47,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:47,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:47,385 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:47,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-22 22:24:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:47,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:24:47,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:47,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:48,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:48,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383192841] [2024-11-22 22:24:48,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:48,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289197712] [2024-11-22 22:24:48,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289197712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:48,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:48,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-22 22:24:48,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905673734] [2024-11-22 22:24:48,257 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:48,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:24:48,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:48,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:24:48,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:24:48,258 INFO L87 Difference]: Start difference. First operand 2114 states and 2744 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:51,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:51,617 INFO L93 Difference]: Finished difference Result 2246 states and 2910 transitions. [2024-11-22 22:24:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-22 22:24:51,618 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 87 [2024-11-22 22:24:51,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:51,621 INFO L225 Difference]: With dead ends: 2246 [2024-11-22 22:24:51,621 INFO L226 Difference]: Without dead ends: 2242 [2024-11-22 22:24:51,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=506, Invalid=2574, Unknown=0, NotChecked=0, Total=3080 [2024-11-22 22:24:51,622 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 659 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:51,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 361 Invalid, 2183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2158 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-22 22:24:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2024-11-22 22:24:51,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2131. [2024-11-22 22:24:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 2043 states have (on average 1.2927068037200196) internal successors, (2641), 2071 states have internal predecessors, (2641), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:24:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2757 transitions. [2024-11-22 22:24:51,732 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2757 transitions. Word has length 87 [2024-11-22 22:24:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:51,732 INFO L471 AbstractCegarLoop]: Abstraction has 2131 states and 2757 transitions. [2024-11-22 22:24:51,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2757 transitions. [2024-11-22 22:24:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-22 22:24:51,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:51,733 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:51,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:51,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:51,934 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:51,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1313352554, now seen corresponding path program 1 times [2024-11-22 22:24:51,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:51,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355410671] [2024-11-22 22:24:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:51,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20551238] [2024-11-22 22:24:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:51,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:51,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:51,953 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:51,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-22 22:24:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:51,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:24:51,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:52,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:52,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:52,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355410671] [2024-11-22 22:24:52,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:52,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20551238] [2024-11-22 22:24:52,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20551238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:52,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:52,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-22 22:24:52,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485849644] [2024-11-22 22:24:52,757 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:52,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:24:52,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:52,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:24:52,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:24:52,758 INFO L87 Difference]: Start difference. First operand 2131 states and 2757 transitions. Second operand has 18 states, 17 states have (on average 9.294117647058824) internal successors, (158), 18 states have internal predecessors, (158), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:55,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:55,490 INFO L93 Difference]: Finished difference Result 2190 states and 2823 transitions. [2024-11-22 22:24:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 22:24:55,491 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.294117647058824) internal successors, (158), 18 states have internal predecessors, (158), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 88 [2024-11-22 22:24:55,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:55,494 INFO L225 Difference]: With dead ends: 2190 [2024-11-22 22:24:55,494 INFO L226 Difference]: Without dead ends: 2187 [2024-11-22 22:24:55,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2024-11-22 22:24:55,495 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 631 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:55,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 376 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 22:24:55,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-11-22 22:24:55,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2141. [2024-11-22 22:24:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 2053 states have (on average 1.2898197759376522) internal successors, (2648), 2081 states have internal predecessors, (2648), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:24:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2764 transitions. [2024-11-22 22:24:55,605 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2764 transitions. Word has length 88 [2024-11-22 22:24:55,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:55,605 INFO L471 AbstractCegarLoop]: Abstraction has 2141 states and 2764 transitions. [2024-11-22 22:24:55,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.294117647058824) internal successors, (158), 18 states have internal predecessors, (158), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2764 transitions. [2024-11-22 22:24:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-22 22:24:55,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:55,606 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:55,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-22 22:24:55,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-22 22:24:55,807 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:24:55,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:55,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1287392132, now seen corresponding path program 1 times [2024-11-22 22:24:55,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:55,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515001075] [2024-11-22 22:24:55,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:55,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343148440] [2024-11-22 22:24:55,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:55,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:55,823 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:55,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-22 22:24:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:55,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:24:55,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:56,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:56,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:56,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515001075] [2024-11-22 22:24:56,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:56,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343148440] [2024-11-22 22:24:56,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343148440] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:56,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:56,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-22 22:24:56,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431779284] [2024-11-22 22:24:56,475 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:56,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 22:24:56,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:56,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 22:24:56,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:24:56,476 INFO L87 Difference]: Start difference. First operand 2141 states and 2764 transitions. Second operand has 20 states, 19 states have (on average 8.105263157894736) internal successors, (154), 20 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:59,731 INFO L93 Difference]: Finished difference Result 2686 states and 3486 transitions. [2024-11-22 22:24:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-22 22:24:59,731 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.105263157894736) internal successors, (154), 20 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 88 [2024-11-22 22:24:59,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:59,735 INFO L225 Difference]: With dead ends: 2686 [2024-11-22 22:24:59,735 INFO L226 Difference]: Without dead ends: 2684 [2024-11-22 22:24:59,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=499, Invalid=3161, Unknown=0, NotChecked=0, Total=3660 [2024-11-22 22:24:59,736 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 507 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 3123 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 3163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:59,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 993 Invalid, 3163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3123 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 22:24:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2024-11-22 22:24:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2541. [2024-11-22 22:24:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2541 states, 2442 states have (on average 1.3038493038493038) internal successors, (3184), 2470 states have internal predecessors, (3184), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:24:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 3322 transitions. [2024-11-22 22:24:59,906 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 3322 transitions. Word has length 88 [2024-11-22 22:24:59,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:59,906 INFO L471 AbstractCegarLoop]: Abstraction has 2541 states and 3322 transitions. [2024-11-22 22:24:59,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.105263157894736) internal successors, (154), 20 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:24:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 3322 transitions. [2024-11-22 22:24:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 22:24:59,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:59,907 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:24:59,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:00,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-22 22:25:00,108 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:25:00,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:00,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1659794158, now seen corresponding path program 1 times [2024-11-22 22:25:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:00,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718941370] [2024-11-22 22:25:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:00,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295366788] [2024-11-22 22:25:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:00,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:00,123 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:00,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-22 22:25:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:00,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-22 22:25:00,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:25:00,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:25:00,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:00,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718941370] [2024-11-22 22:25:00,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:00,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295366788] [2024-11-22 22:25:00,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295366788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:25:00,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:25:00,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-22 22:25:00,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062905848] [2024-11-22 22:25:00,907 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:00,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-22 22:25:00,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:00,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-22 22:25:00,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:25:00,908 INFO L87 Difference]: Start difference. First operand 2541 states and 3322 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:25:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:02,550 INFO L93 Difference]: Finished difference Result 2558 states and 3340 transitions. [2024-11-22 22:25:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 22:25:02,551 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 90 [2024-11-22 22:25:02,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:02,555 INFO L225 Difference]: With dead ends: 2558 [2024-11-22 22:25:02,555 INFO L226 Difference]: Without dead ends: 2534 [2024-11-22 22:25:02,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2024-11-22 22:25:02,556 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 269 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:02,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 403 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:25:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2024-11-22 22:25:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2532. [2024-11-22 22:25:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 2433 states have (on average 1.3057953144266339) internal successors, (3177), 2461 states have internal predecessors, (3177), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:25:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3315 transitions. [2024-11-22 22:25:02,728 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3315 transitions. Word has length 90 [2024-11-22 22:25:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:02,728 INFO L471 AbstractCegarLoop]: Abstraction has 2532 states and 3315 transitions. [2024-11-22 22:25:02,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:25:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3315 transitions. [2024-11-22 22:25:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 22:25:02,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:02,729 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:02,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:02,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-22 22:25:02,933 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:25:02,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:02,933 INFO L85 PathProgramCache]: Analyzing trace with hash 602728176, now seen corresponding path program 2 times [2024-11-22 22:25:02,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:02,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608594012] [2024-11-22 22:25:02,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:25:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:02,954 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:25:02,955 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:25:02,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907674258] [2024-11-22 22:25:02,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:25:02,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:02,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:02,960 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:02,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-22 22:25:02,997 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:25:02,998 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:25:02,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:25:02,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:25:03,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:03,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:03,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608594012] [2024-11-22 22:25:03,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:03,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907674258] [2024-11-22 22:25:03,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907674258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:03,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:25:03,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:25:03,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046485296] [2024-11-22 22:25:03,682 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:03,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:25:03,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:03,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:25:03,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:25:03,682 INFO L87 Difference]: Start difference. First operand 2532 states and 3315 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:25:04,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:04,583 INFO L93 Difference]: Finished difference Result 2535 states and 3315 transitions. [2024-11-22 22:25:04,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:25:04,583 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 90 [2024-11-22 22:25:04,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:04,587 INFO L225 Difference]: With dead ends: 2535 [2024-11-22 22:25:04,587 INFO L226 Difference]: Without dead ends: 2534 [2024-11-22 22:25:04,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:25:04,588 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 140 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:04,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 627 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:25:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2024-11-22 22:25:04,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2532. [2024-11-22 22:25:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 2433 states have (on average 1.3053842992190712) internal successors, (3176), 2461 states have internal predecessors, (3176), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:25:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3314 transitions. [2024-11-22 22:25:04,771 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3314 transitions. Word has length 90 [2024-11-22 22:25:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:04,771 INFO L471 AbstractCegarLoop]: Abstraction has 2532 states and 3314 transitions. [2024-11-22 22:25:04,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:25:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3314 transitions. [2024-11-22 22:25:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 22:25:04,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:04,772 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:04,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:04,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:04,973 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:25:04,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash 824507336, now seen corresponding path program 1 times [2024-11-22 22:25:04,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:04,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496351829] [2024-11-22 22:25:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:25:05,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:05,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496351829] [2024-11-22 22:25:05,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496351829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:05,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112721655] [2024-11-22 22:25:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:05,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:05,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:05,046 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:05,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-22 22:25:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:05,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:25:05,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:25:05,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:25:05,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112721655] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:25:05,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:25:05,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 22:25:05,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170201722] [2024-11-22 22:25:05,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:05,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:25:05,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:05,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:25:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:25:05,299 INFO L87 Difference]: Start difference. First operand 2532 states and 3314 transitions. Second operand has 11 states, 10 states have (on average 14.6) internal successors, (146), 11 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:25:06,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:06,008 INFO L93 Difference]: Finished difference Result 2904 states and 3748 transitions. [2024-11-22 22:25:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:25:06,009 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.6) internal successors, (146), 11 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 92 [2024-11-22 22:25:06,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:06,013 INFO L225 Difference]: With dead ends: 2904 [2024-11-22 22:25:06,013 INFO L226 Difference]: Without dead ends: 2902 [2024-11-22 22:25:06,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:25:06,014 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 276 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:06,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 703 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:25:06,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2024-11-22 22:25:06,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2532. [2024-11-22 22:25:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 2433 states have (on average 1.290176736539252) internal successors, (3139), 2461 states have internal predecessors, (3139), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:25:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3277 transitions. [2024-11-22 22:25:06,198 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3277 transitions. Word has length 92 [2024-11-22 22:25:06,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:06,198 INFO L471 AbstractCegarLoop]: Abstraction has 2532 states and 3277 transitions. [2024-11-22 22:25:06,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.6) internal successors, (146), 11 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:25:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3277 transitions. [2024-11-22 22:25:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:25:06,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:06,199 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:06,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:06,400 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-22 22:25:06,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash -401811411, now seen corresponding path program 1 times [2024-11-22 22:25:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312539552] [2024-11-22 22:25:06,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:06,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206883476] [2024-11-22 22:25:06,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:06,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:06,419 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:06,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process