/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:52:29,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:52:29,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:52:29,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:52:29,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:52:29,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:52:29,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:52:29,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:52:29,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:52:29,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:52:29,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:52:29,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:52:29,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:52:29,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:52:29,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:52:29,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:52:29,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:52:29,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:52:29,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:52:29,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:52:29,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:52:29,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:52:29,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:52:29,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:52:29,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:52:29,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:52:29,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:52:29,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:52:29,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:52:29,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:52:29,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:52:29,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:52:29,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:52:29,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:52:29,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:52:29,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:52:29,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:52:29,582 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:52:29,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:52:29,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:52:29,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:52:29,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:52:29,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:52:29,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:52:29,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:52:29,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:52:29,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:52:29,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:52:29,585 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:52:29,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:52:29,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:52:29,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:52:29,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:52:29,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:52:29,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:52:29,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:52:29,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:52:29,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:52:29,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:52:29,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:52:29,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:52:29,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:52:29,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:52:29,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:52:30,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:52:30,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:52:30,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:52:30,031 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:52:30,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:52:30,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931026b35/40fcdf4e302749c38fbddb4a94edf305/FLAG2b45ad29b [2022-10-16 16:52:31,213 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:52:31,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:52:31,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931026b35/40fcdf4e302749c38fbddb4a94edf305/FLAG2b45ad29b [2022-10-16 16:52:31,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931026b35/40fcdf4e302749c38fbddb4a94edf305 [2022-10-16 16:52:31,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:52:31,587 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:52:31,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:52:31,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:52:31,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:52:31,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:52:31" (1/1) ... [2022-10-16 16:52:31,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e93408e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:31, skipping insertion in model container [2022-10-16 16:52:31,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:52:31" (1/1) ... [2022-10-16 16:52:31,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:52:32,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:52:33,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40670,40683] [2022-10-16 16:52:36,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:52:36,543 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:52:36,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40670,40683] [2022-10-16 16:52:39,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:52:39,848 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:52:39,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39 WrapperNode [2022-10-16 16:52:39,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:52:39,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:52:39,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:52:39,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:52:39,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:39,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:40,366 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24229 [2022-10-16 16:52:40,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:52:40,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:52:40,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:52:40,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:52:40,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:40,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:40,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:40,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:40,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:40,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:41,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:41,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:41,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:52:41,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:52:41,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:52:41,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:52:41,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (1/1) ... [2022-10-16 16:52:41,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:52:41,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:52:41,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:52:41,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:52:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:52:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:52:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:52:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:52:41,868 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:52:41,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:52:56,107 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:52:56,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:52:56,167 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:52:56,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:52:56 BoogieIcfgContainer [2022-10-16 16:52:56,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:52:56,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:52:56,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:52:56,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:52:56,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:52:31" (1/3) ... [2022-10-16 16:52:56,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da70858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:52:56, skipping insertion in model container [2022-10-16 16:52:56,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:39" (2/3) ... [2022-10-16 16:52:56,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da70858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:52:56, skipping insertion in model container [2022-10-16 16:52:56,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:52:56" (3/3) ... [2022-10-16 16:52:56,190 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:52:56,211 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:52:56,212 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1578 error locations. [2022-10-16 16:52:56,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:52:56,421 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2cea43b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:52:56,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1578 error locations. [2022-10-16 16:52:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 10003 states, 8424 states have (on average 1.7968898385565053) internal successors, (15137), 10002 states have internal predecessors, (15137), 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) [2022-10-16 16:52:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 16:52:56,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:56,480 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:56,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:52:56,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:56,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2058062598, now seen corresponding path program 1 times [2022-10-16 16:52:56,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:56,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018290280] [2022-10-16 16:52:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:52:57,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:57,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018290280] [2022-10-16 16:52:57,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018290280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:57,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:57,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:52:57,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88365191] [2022-10-16 16:52:57,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:57,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:57,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:57,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:57,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:57,510 INFO L87 Difference]: Start difference. First operand has 10003 states, 8424 states have (on average 1.7968898385565053) internal successors, (15137), 10002 states have internal predecessors, (15137), 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) Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2022-10-16 16:52:58,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:58,740 INFO L93 Difference]: Finished difference Result 18003 states and 28025 transitions. [2022-10-16 16:52:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:58,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 191 [2022-10-16 16:52:58,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:58,825 INFO L225 Difference]: With dead ends: 18003 [2022-10-16 16:52:58,825 INFO L226 Difference]: Without dead ends: 10545 [2022-10-16 16:52:58,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:58,852 INFO L413 NwaCegarLoop]: 16475 mSDtfsCounter, 8798 mSDsluCounter, 7716 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8798 SdHoareTripleChecker+Valid, 24191 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:58,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8798 Valid, 24191 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:52:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10545 states. [2022-10-16 16:52:59,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10545 to 10317. [2022-10-16 16:52:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10317 states, 9347 states have (on average 1.716165614635712) internal successors, (16041), 10316 states have internal predecessors, (16041), 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) [2022-10-16 16:52:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10317 states to 10317 states and 16041 transitions. [2022-10-16 16:52:59,432 INFO L78 Accepts]: Start accepts. Automaton has 10317 states and 16041 transitions. Word has length 191 [2022-10-16 16:52:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:59,434 INFO L495 AbstractCegarLoop]: Abstraction has 10317 states and 16041 transitions. [2022-10-16 16:52:59,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2022-10-16 16:52:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 10317 states and 16041 transitions. [2022-10-16 16:52:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-10-16 16:52:59,438 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:59,438 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:59,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:52:59,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr972ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:52:59,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:59,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1334724269, now seen corresponding path program 1 times [2022-10-16 16:52:59,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:59,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229228845] [2022-10-16 16:52:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:52:59,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:59,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229228845] [2022-10-16 16:52:59,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229228845] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:59,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:59,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:52:59,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518995525] [2022-10-16 16:52:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:59,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:59,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:59,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:59,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:59,729 INFO L87 Difference]: Start difference. First operand 10317 states and 16041 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-16 16:53:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:00,985 INFO L93 Difference]: Finished difference Result 21662 states and 34463 transitions. [2022-10-16 16:53:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 198 [2022-10-16 16:53:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:01,097 INFO L225 Difference]: With dead ends: 21662 [2022-10-16 16:53:01,097 INFO L226 Difference]: Without dead ends: 12915 [2022-10-16 16:53:01,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:01,123 INFO L413 NwaCegarLoop]: 14735 mSDtfsCounter, 8577 mSDsluCounter, 6180 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8577 SdHoareTripleChecker+Valid, 20915 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:01,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8577 Valid, 20915 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:53:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12915 states. [2022-10-16 16:53:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12915 to 12689. [2022-10-16 16:53:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12689 states, 12023 states have (on average 1.7142975962738085) internal successors, (20611), 12688 states have internal predecessors, (20611), 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) [2022-10-16 16:53:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12689 states to 12689 states and 20611 transitions. [2022-10-16 16:53:02,234 INFO L78 Accepts]: Start accepts. Automaton has 12689 states and 20611 transitions. Word has length 198 [2022-10-16 16:53:02,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:02,238 INFO L495 AbstractCegarLoop]: Abstraction has 12689 states and 20611 transitions. [2022-10-16 16:53:02,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-16 16:53:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 12689 states and 20611 transitions. [2022-10-16 16:53:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 16:53:02,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:02,247 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:02,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:53:02,247 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1276ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:02,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash 468789632, now seen corresponding path program 1 times [2022-10-16 16:53:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:02,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684465544] [2022-10-16 16:53:02,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:02,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:02,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:02,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684465544] [2022-10-16 16:53:02,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684465544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:02,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:02,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:53:02,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288575124] [2022-10-16 16:53:02,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:02,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:02,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:02,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:02,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:02,597 INFO L87 Difference]: Start difference. First operand 12689 states and 20611 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2022-10-16 16:53:03,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:04,000 INFO L93 Difference]: Finished difference Result 28970 states and 47477 transitions. [2022-10-16 16:53:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:04,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 205 [2022-10-16 16:53:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:04,071 INFO L225 Difference]: With dead ends: 28970 [2022-10-16 16:53:04,071 INFO L226 Difference]: Without dead ends: 17374 [2022-10-16 16:53:04,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:04,094 INFO L413 NwaCegarLoop]: 14112 mSDtfsCounter, 8378 mSDsluCounter, 5715 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8378 SdHoareTripleChecker+Valid, 19827 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:04,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8378 Valid, 19827 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:53:04,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17374 states. [2022-10-16 16:53:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17374 to 17150. [2022-10-16 16:53:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17150 states, 16636 states have (on average 1.7118297667708584) internal successors, (28478), 17149 states have internal predecessors, (28478), 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) [2022-10-16 16:53:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17150 states to 17150 states and 28478 transitions. [2022-10-16 16:53:05,479 INFO L78 Accepts]: Start accepts. Automaton has 17150 states and 28478 transitions. Word has length 205 [2022-10-16 16:53:05,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:05,480 INFO L495 AbstractCegarLoop]: Abstraction has 17150 states and 28478 transitions. [2022-10-16 16:53:05,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2022-10-16 16:53:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 17150 states and 28478 transitions. [2022-10-16 16:53:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 16:53:05,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:05,486 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:05,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:53:05,486 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1428ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:05,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1869707007, now seen corresponding path program 1 times [2022-10-16 16:53:05,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:05,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994242660] [2022-10-16 16:53:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:05,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:05,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994242660] [2022-10-16 16:53:05,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994242660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:05,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:05,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:53:05,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059073623] [2022-10-16 16:53:05,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:05,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:05,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:05,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:05,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:05,790 INFO L87 Difference]: Start difference. First operand 17150 states and 28478 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2022-10-16 16:53:07,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:07,881 INFO L93 Difference]: Finished difference Result 40801 states and 67908 transitions. [2022-10-16 16:53:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:07,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 212 [2022-10-16 16:53:07,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:07,959 INFO L225 Difference]: With dead ends: 40801 [2022-10-16 16:53:07,959 INFO L226 Difference]: Without dead ends: 24519 [2022-10-16 16:53:07,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:07,990 INFO L413 NwaCegarLoop]: 13805 mSDtfsCounter, 7843 mSDsluCounter, 5828 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7843 SdHoareTripleChecker+Valid, 19633 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:07,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7843 Valid, 19633 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:53:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24519 states. [2022-10-16 16:53:09,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24519 to 24297. [2022-10-16 16:53:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24297 states, 23859 states have (on average 1.7069868812607403) internal successors, (40727), 24296 states have internal predecessors, (40727), 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) [2022-10-16 16:53:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24297 states to 24297 states and 40727 transitions. [2022-10-16 16:53:09,796 INFO L78 Accepts]: Start accepts. Automaton has 24297 states and 40727 transitions. Word has length 212 [2022-10-16 16:53:09,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:09,797 INFO L495 AbstractCegarLoop]: Abstraction has 24297 states and 40727 transitions. [2022-10-16 16:53:09,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2022-10-16 16:53:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 24297 states and 40727 transitions. [2022-10-16 16:53:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-16 16:53:09,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:09,801 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:09,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:53:09,802 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1504ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:09,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:09,802 INFO L85 PathProgramCache]: Analyzing trace with hash 686321746, now seen corresponding path program 1 times [2022-10-16 16:53:09,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:09,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163400412] [2022-10-16 16:53:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:09,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:10,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:10,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163400412] [2022-10-16 16:53:10,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163400412] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:10,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:10,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:53:10,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219574527] [2022-10-16 16:53:10,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:10,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:10,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:10,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:10,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:10,039 INFO L87 Difference]: Start difference. First operand 24297 states and 40727 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2022-10-16 16:53:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:13,043 INFO L93 Difference]: Finished difference Result 58938 states and 98853 transitions. [2022-10-16 16:53:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:13,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 219 [2022-10-16 16:53:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:13,165 INFO L225 Difference]: With dead ends: 58938 [2022-10-16 16:53:13,166 INFO L226 Difference]: Without dead ends: 35410 [2022-10-16 16:53:13,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:13,202 INFO L413 NwaCegarLoop]: 13676 mSDtfsCounter, 6684 mSDsluCounter, 6680 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6684 SdHoareTripleChecker+Valid, 20356 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:13,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6684 Valid, 20356 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:53:13,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35410 states. [2022-10-16 16:53:15,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35410 to 35190. [2022-10-16 16:53:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35190 states, 34790 states have (on average 1.6994251221615406) internal successors, (59123), 35189 states have internal predecessors, (59123), 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) [2022-10-16 16:53:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35190 states to 35190 states and 59123 transitions. [2022-10-16 16:53:15,876 INFO L78 Accepts]: Start accepts. Automaton has 35190 states and 59123 transitions. Word has length 219 [2022-10-16 16:53:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:15,877 INFO L495 AbstractCegarLoop]: Abstraction has 35190 states and 59123 transitions. [2022-10-16 16:53:15,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2022-10-16 16:53:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 35190 states and 59123 transitions. [2022-10-16 16:53:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 16:53:15,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:15,882 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:15,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:53:15,882 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1542ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:15,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:15,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1552168927, now seen corresponding path program 1 times [2022-10-16 16:53:15,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:15,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704834225] [2022-10-16 16:53:15,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:15,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:16,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:16,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704834225] [2022-10-16 16:53:16,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704834225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:16,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:16,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916746729] [2022-10-16 16:53:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:16,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:16,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:16,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:16,274 INFO L87 Difference]: Start difference. First operand 35190 states and 59123 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 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) [2022-10-16 16:53:19,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:19,752 INFO L93 Difference]: Finished difference Result 41041 states and 69427 transitions. [2022-10-16 16:53:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:19,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 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 225 [2022-10-16 16:53:19,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:19,882 INFO L225 Difference]: With dead ends: 41041 [2022-10-16 16:53:19,883 INFO L226 Difference]: Without dead ends: 41032 [2022-10-16 16:53:19,898 INFO L412 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 [2022-10-16 16:53:19,901 INFO L413 NwaCegarLoop]: 9875 mSDtfsCounter, 5956 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5956 SdHoareTripleChecker+Valid, 14109 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:19,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5956 Valid, 14109 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:53:19,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41032 states. [2022-10-16 16:53:22,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41032 to 40976. [2022-10-16 16:53:22,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40976 states, 40582 states have (on average 1.7052141343452762) internal successors, (69201), 40975 states have internal predecessors, (69201), 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) [2022-10-16 16:53:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40976 states to 40976 states and 69201 transitions. [2022-10-16 16:53:22,720 INFO L78 Accepts]: Start accepts. Automaton has 40976 states and 69201 transitions. Word has length 225 [2022-10-16 16:53:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:22,721 INFO L495 AbstractCegarLoop]: Abstraction has 40976 states and 69201 transitions. [2022-10-16 16:53:22,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 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) [2022-10-16 16:53:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 40976 states and 69201 transitions. [2022-10-16 16:53:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-16 16:53:22,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:22,726 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:22,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:53:22,726 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1543ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:22,727 INFO L85 PathProgramCache]: Analyzing trace with hash -872565627, now seen corresponding path program 1 times [2022-10-16 16:53:22,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:22,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967639199] [2022-10-16 16:53:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:22,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:23,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967639199] [2022-10-16 16:53:23,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967639199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:23,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:23,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:23,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021170010] [2022-10-16 16:53:23,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:23,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:23,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:23,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:23,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:23,148 INFO L87 Difference]: Start difference. First operand 40976 states and 69201 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 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) [2022-10-16 16:53:26,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:26,593 INFO L93 Difference]: Finished difference Result 41035 states and 69201 transitions. [2022-10-16 16:53:26,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:26,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 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 226 [2022-10-16 16:53:26,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:26,700 INFO L225 Difference]: With dead ends: 41035 [2022-10-16 16:53:26,700 INFO L226 Difference]: Without dead ends: 41026 [2022-10-16 16:53:26,716 INFO L412 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 [2022-10-16 16:53:26,721 INFO L413 NwaCegarLoop]: 9878 mSDtfsCounter, 5946 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5946 SdHoareTripleChecker+Valid, 14112 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:26,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5946 Valid, 14112 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:53:26,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41026 states. [2022-10-16 16:53:29,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41026 to 40970. [2022-10-16 16:53:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40970 states, 40582 states have (on average 1.6996451628800946) internal successors, (68975), 40969 states have internal predecessors, (68975), 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) [2022-10-16 16:53:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40970 states to 40970 states and 68975 transitions. [2022-10-16 16:53:29,484 INFO L78 Accepts]: Start accepts. Automaton has 40970 states and 68975 transitions. Word has length 226 [2022-10-16 16:53:29,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:29,484 INFO L495 AbstractCegarLoop]: Abstraction has 40970 states and 68975 transitions. [2022-10-16 16:53:29,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 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) [2022-10-16 16:53:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 40970 states and 68975 transitions. [2022-10-16 16:53:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-10-16 16:53:29,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:29,491 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:29,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:53:29,491 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1544ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:29,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1279699805, now seen corresponding path program 1 times [2022-10-16 16:53:29,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:29,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789122412] [2022-10-16 16:53:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:29,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:29,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789122412] [2022-10-16 16:53:29,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789122412] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:29,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:29,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:29,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876191891] [2022-10-16 16:53:29,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:29,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:29,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:29,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:29,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:29,896 INFO L87 Difference]: Start difference. First operand 40970 states and 68975 transitions. Second operand has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-10-16 16:53:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:33,037 INFO L93 Difference]: Finished difference Result 46815 states and 79087 transitions. [2022-10-16 16:53:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:33,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 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 227 [2022-10-16 16:53:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:33,140 INFO L225 Difference]: With dead ends: 46815 [2022-10-16 16:53:33,140 INFO L226 Difference]: Without dead ends: 46806 [2022-10-16 16:53:33,155 INFO L412 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 [2022-10-16 16:53:33,156 INFO L413 NwaCegarLoop]: 9859 mSDtfsCounter, 4945 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 15067 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:33,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 15067 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:53:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46806 states. [2022-10-16 16:53:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46806 to 46756. [2022-10-16 16:53:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46756 states, 46374 states have (on average 1.7005434079441066) internal successors, (78861), 46755 states have internal predecessors, (78861), 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) [2022-10-16 16:53:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46756 states to 46756 states and 78861 transitions. [2022-10-16 16:53:36,330 INFO L78 Accepts]: Start accepts. Automaton has 46756 states and 78861 transitions. Word has length 227 [2022-10-16 16:53:36,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:36,331 INFO L495 AbstractCegarLoop]: Abstraction has 46756 states and 78861 transitions. [2022-10-16 16:53:36,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-10-16 16:53:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 46756 states and 78861 transitions. [2022-10-16 16:53:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-16 16:53:36,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:36,335 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:36,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:53:36,335 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1545ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:36,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1015957433, now seen corresponding path program 1 times [2022-10-16 16:53:36,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:36,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139921113] [2022-10-16 16:53:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:36,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:36,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139921113] [2022-10-16 16:53:36,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139921113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:36,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:36,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:36,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114638664] [2022-10-16 16:53:36,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:36,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:36,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:36,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:36,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:36,806 INFO L87 Difference]: Start difference. First operand 46756 states and 78861 transitions. Second operand has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2022-10-16 16:53:40,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:40,360 INFO L93 Difference]: Finished difference Result 46809 states and 78861 transitions. [2022-10-16 16:53:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:40,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 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 228 [2022-10-16 16:53:40,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:40,451 INFO L225 Difference]: With dead ends: 46809 [2022-10-16 16:53:40,451 INFO L226 Difference]: Without dead ends: 46800 [2022-10-16 16:53:40,472 INFO L412 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 [2022-10-16 16:53:40,473 INFO L413 NwaCegarLoop]: 9862 mSDtfsCounter, 4935 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4935 SdHoareTripleChecker+Valid, 15070 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:40,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4935 Valid, 15070 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:53:40,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46800 states. [2022-10-16 16:53:43,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46800 to 46750. [2022-10-16 16:53:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46750 states, 46374 states have (on average 1.6956699874929917) internal successors, (78635), 46749 states have internal predecessors, (78635), 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) [2022-10-16 16:53:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46750 states to 46750 states and 78635 transitions. [2022-10-16 16:53:43,927 INFO L78 Accepts]: Start accepts. Automaton has 46750 states and 78635 transitions. Word has length 228 [2022-10-16 16:53:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:43,928 INFO L495 AbstractCegarLoop]: Abstraction has 46750 states and 78635 transitions. [2022-10-16 16:53:43,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2022-10-16 16:53:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 46750 states and 78635 transitions. [2022-10-16 16:53:43,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 16:53:43,932 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:43,932 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:43,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:53:43,933 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1546ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:43,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:43,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1429878491, now seen corresponding path program 1 times [2022-10-16 16:53:43,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:43,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100854457] [2022-10-16 16:53:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:44,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:44,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100854457] [2022-10-16 16:53:44,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100854457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:44,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:44,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460609861] [2022-10-16 16:53:44,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:44,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:44,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:44,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:44,426 INFO L87 Difference]: Start difference. First operand 46750 states and 78635 transitions. Second operand has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 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) [2022-10-16 16:53:48,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:48,415 INFO L93 Difference]: Finished difference Result 52591 states and 88557 transitions. [2022-10-16 16:53:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:48,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 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 229 [2022-10-16 16:53:48,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:48,509 INFO L225 Difference]: With dead ends: 52591 [2022-10-16 16:53:48,510 INFO L226 Difference]: Without dead ends: 52582 [2022-10-16 16:53:48,524 INFO L412 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 [2022-10-16 16:53:48,525 INFO L413 NwaCegarLoop]: 9843 mSDtfsCounter, 4423 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4423 SdHoareTripleChecker+Valid, 15519 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:48,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4423 Valid, 15519 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:53:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52582 states. [2022-10-16 16:53:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52582 to 52538. [2022-10-16 16:53:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52538 states, 52168 states have (on average 1.6932027296426928) internal successors, (88331), 52537 states have internal predecessors, (88331), 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) [2022-10-16 16:53:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52538 states to 52538 states and 88331 transitions. [2022-10-16 16:53:52,582 INFO L78 Accepts]: Start accepts. Automaton has 52538 states and 88331 transitions. Word has length 229 [2022-10-16 16:53:52,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:52,583 INFO L495 AbstractCegarLoop]: Abstraction has 52538 states and 88331 transitions. [2022-10-16 16:53:52,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 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) [2022-10-16 16:53:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 52538 states and 88331 transitions. [2022-10-16 16:53:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-16 16:53:52,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:52,586 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:52,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:53:52,586 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1547ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:53:52,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:52,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1376529399, now seen corresponding path program 1 times [2022-10-16 16:53:52,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:52,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567616950] [2022-10-16 16:53:52,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:52,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:52,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567616950] [2022-10-16 16:53:52,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567616950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:52,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:52,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:52,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647320759] [2022-10-16 16:53:52,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:52,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:52,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:52,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:52,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:52,983 INFO L87 Difference]: Start difference. First operand 52538 states and 88331 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 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) [2022-10-16 16:53:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:56,973 INFO L93 Difference]: Finished difference Result 52585 states and 88331 transitions. [2022-10-16 16:53:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:56,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 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 230 [2022-10-16 16:53:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:57,060 INFO L225 Difference]: With dead ends: 52585 [2022-10-16 16:53:57,061 INFO L226 Difference]: Without dead ends: 52576 [2022-10-16 16:53:57,078 INFO L412 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 [2022-10-16 16:53:57,079 INFO L413 NwaCegarLoop]: 9846 mSDtfsCounter, 4413 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4413 SdHoareTripleChecker+Valid, 15522 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:57,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4413 Valid, 15522 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:53:57,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52576 states. [2022-10-16 16:54:01,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52576 to 52532. [2022-10-16 16:54:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52532 states, 52168 states have (on average 1.6888705719981598) internal successors, (88105), 52531 states have internal predecessors, (88105), 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) [2022-10-16 16:54:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52532 states to 52532 states and 88105 transitions. [2022-10-16 16:54:01,383 INFO L78 Accepts]: Start accepts. Automaton has 52532 states and 88105 transitions. Word has length 230 [2022-10-16 16:54:01,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:01,384 INFO L495 AbstractCegarLoop]: Abstraction has 52532 states and 88105 transitions. [2022-10-16 16:54:01,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 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) [2022-10-16 16:54:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 52532 states and 88105 transitions. [2022-10-16 16:54:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-16 16:54:01,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:01,386 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:01,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:54:01,387 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1548ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:54:01,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:01,387 INFO L85 PathProgramCache]: Analyzing trace with hash 277292455, now seen corresponding path program 1 times [2022-10-16 16:54:01,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:01,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326868155] [2022-10-16 16:54:01,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:01,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:01,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326868155] [2022-10-16 16:54:01,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326868155] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:01,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:01,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:01,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429808747] [2022-10-16 16:54:01,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:01,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:01,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:01,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:01,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:01,788 INFO L87 Difference]: Start difference. First operand 52532 states and 88105 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 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) [2022-10-16 16:54:07,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:07,588 INFO L93 Difference]: Finished difference Result 68743 states and 114921 transitions. [2022-10-16 16:54:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:07,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 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 231 [2022-10-16 16:54:07,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:07,697 INFO L225 Difference]: With dead ends: 68743 [2022-10-16 16:54:07,697 INFO L226 Difference]: Without dead ends: 68734 [2022-10-16 16:54:07,713 INFO L412 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 [2022-10-16 16:54:07,714 INFO L413 NwaCegarLoop]: 9813 mSDtfsCounter, 4405 mSDsluCounter, 5589 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4405 SdHoareTripleChecker+Valid, 15402 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:07,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4405 Valid, 15402 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:54:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68734 states. [2022-10-16 16:54:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68734 to 68716. [2022-10-16 16:54:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68716 states, 68360 states have (on average 1.673595669982446) internal successors, (114407), 68715 states have internal predecessors, (114407), 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) [2022-10-16 16:54:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68716 states to 68716 states and 114407 transitions. [2022-10-16 16:54:13,746 INFO L78 Accepts]: Start accepts. Automaton has 68716 states and 114407 transitions. Word has length 231 [2022-10-16 16:54:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:13,747 INFO L495 AbstractCegarLoop]: Abstraction has 68716 states and 114407 transitions. [2022-10-16 16:54:13,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 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) [2022-10-16 16:54:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 68716 states and 114407 transitions. [2022-10-16 16:54:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-16 16:54:13,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:13,750 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:13,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:54:13,750 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1549ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:54:13,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:13,751 INFO L85 PathProgramCache]: Analyzing trace with hash 6162379, now seen corresponding path program 1 times [2022-10-16 16:54:13,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:13,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618113107] [2022-10-16 16:54:13,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:13,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:14,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:14,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618113107] [2022-10-16 16:54:14,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618113107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:14,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:14,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:14,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709188044] [2022-10-16 16:54:14,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:14,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:14,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:14,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:14,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:14,410 INFO L87 Difference]: Start difference. First operand 68716 states and 114407 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-10-16 16:54:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:22,421 INFO L93 Difference]: Finished difference Result 96589 states and 161686 transitions. [2022-10-16 16:54:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 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 232 [2022-10-16 16:54:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:22,569 INFO L225 Difference]: With dead ends: 96589 [2022-10-16 16:54:22,569 INFO L226 Difference]: Without dead ends: 96580 [2022-10-16 16:54:22,587 INFO L412 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 [2022-10-16 16:54:22,588 INFO L413 NwaCegarLoop]: 9828 mSDtfsCounter, 4395 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 15461 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:22,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 15461 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:54:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96580 states. [2022-10-16 16:54:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96580 to 96524. [2022-10-16 16:54:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96524 states, 96174 states have (on average 1.674506623411733) internal successors, (161044), 96523 states have internal predecessors, (161044), 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) [2022-10-16 16:54:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96524 states to 96524 states and 161044 transitions. [2022-10-16 16:54:31,431 INFO L78 Accepts]: Start accepts. Automaton has 96524 states and 161044 transitions. Word has length 232 [2022-10-16 16:54:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:31,432 INFO L495 AbstractCegarLoop]: Abstraction has 96524 states and 161044 transitions. [2022-10-16 16:54:31,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-10-16 16:54:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 96524 states and 161044 transitions. [2022-10-16 16:54:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 16:54:31,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:31,435 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:31,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:54:31,435 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1550ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1575 more)] === [2022-10-16 16:54:31,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:31,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1628066733, now seen corresponding path program 1 times [2022-10-16 16:54:31,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:31,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468120934] [2022-10-16 16:54:31,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:31,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:32,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:32,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468120934] [2022-10-16 16:54:32,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468120934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:32,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:32,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:32,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053631069] [2022-10-16 16:54:32,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:32,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:32,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:32,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:32,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:32,013 INFO L87 Difference]: Start difference. First operand 96524 states and 161044 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-10-16 16:54:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:44,587 INFO L93 Difference]: Finished difference Result 149669 states and 248790 transitions. [2022-10-16 16:54:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:44,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 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 234 [2022-10-16 16:54:44,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:45,058 INFO L225 Difference]: With dead ends: 149669 [2022-10-16 16:54:45,058 INFO L226 Difference]: Without dead ends: 149665 [2022-10-16 16:54:45,096 INFO L412 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 [2022-10-16 16:54:45,098 INFO L413 NwaCegarLoop]: 9807 mSDtfsCounter, 5197 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5197 SdHoareTripleChecker+Valid, 14686 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:45,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5197 Valid, 14686 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:54:45,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149665 states.