/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_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:41:42,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:41:42,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:41:42,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:41:42,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:41:42,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:41:42,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:41:42,983 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 15:41:43,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:41:43,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:41:43,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:41:43,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:41:43,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:41:43,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:41:43,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:41:43,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:41:43,016 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:41:43,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:41:43,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:41:43,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:41:43,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:41:43,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:41:43,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:41:43,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:41:43,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:41:43,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:41:43,019 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:41:43,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:41:43,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:41:43,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:41:43,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:41:43,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:41:43,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:41:43,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:41:43,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:41:43,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:41:43,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:41:43,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:41:43,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:41:43,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:41:43,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:41:43,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:41:43,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:41:43,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:41:43,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:41:43,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:41:43,488 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:41:43,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:41:43,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782357271/956502c6c416473db31f8ed06cb636de/FLAG6ec7d5408 [2022-10-16 15:41:44,329 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:41:44,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:41:44,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782357271/956502c6c416473db31f8ed06cb636de/FLAG6ec7d5408 [2022-10-16 15:41:44,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782357271/956502c6c416473db31f8ed06cb636de [2022-10-16 15:41:44,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:41:44,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:41:44,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:41:44,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:41:44,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:41:44,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:41:44" (1/1) ... [2022-10-16 15:41:44,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570d4900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:44, skipping insertion in model container [2022-10-16 15:41:44,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:41:44" (1/1) ... [2022-10-16 15:41:44,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:41:44,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:41:44,958 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_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7181,7194] [2022-10-16 15:41:45,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:41:45,039 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:41:45,093 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_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7181,7194] [2022-10-16 15:41:45,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:41:45,175 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:41:45,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45 WrapperNode [2022-10-16 15:41:45,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:41:45,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:41:45,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:41:45,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:41:45,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,283 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 604 [2022-10-16 15:41:45,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:41:45,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:41:45,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:41:45,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:41:45,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,358 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:41:45,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:41:45,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:41:45,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:41:45,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:41:45,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:41:45,415 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 15:41:45,468 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 15:41:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:41:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:41:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:41:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:41:45,692 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:41:45,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:41:46,415 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:41:46,427 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:41:46,427 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:41:46,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:41:46 BoogieIcfgContainer [2022-10-16 15:41:46,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:41:46,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:41:46,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:41:46,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:41:46,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:41:44" (1/3) ... [2022-10-16 15:41:46,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8c8848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:41:46, skipping insertion in model container [2022-10-16 15:41:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45" (2/3) ... [2022-10-16 15:41:46,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8c8848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:41:46, skipping insertion in model container [2022-10-16 15:41:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:41:46" (3/3) ... [2022-10-16 15:41:46,442 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:41:46,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:41:46,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 15:41:46,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:41:46,554 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;@3eb94222, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:41:46,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 15:41:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 160 states have (on average 1.8125) internal successors, (290), 192 states have internal predecessors, (290), 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 15:41:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 15:41:46,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:46,574 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] [2022-10-16 15:41:46,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 747444760, now seen corresponding path program 1 times [2022-10-16 15:41:46,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:46,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662700785] [2022-10-16 15:41:46,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:46,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:47,148 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 15:41:47,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:47,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662700785] [2022-10-16 15:41:47,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662700785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:47,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:47,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:41:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724662749] [2022-10-16 15:41:47,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:47,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:41:47,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:47,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:41:47,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:41:47,213 INFO L87 Difference]: Start difference. First operand has 193 states, 160 states have (on average 1.8125) internal successors, (290), 192 states have internal predecessors, (290), 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 2 states, 1 states have (on average 39.0) internal successors, (39), 2 states have internal predecessors, (39), 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 15:41:47,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:47,252 INFO L93 Difference]: Finished difference Result 196 states and 292 transitions. [2022-10-16 15:41:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:41:47,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 39.0) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2022-10-16 15:41:47,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:47,269 INFO L225 Difference]: With dead ends: 196 [2022-10-16 15:41:47,270 INFO L226 Difference]: Without dead ends: 184 [2022-10-16 15:41:47,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:41:47,278 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:47,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:41:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-10-16 15:41:47,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-10-16 15:41:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 158 states have (on average 1.639240506329114) internal successors, (259), 183 states have internal predecessors, (259), 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 15:41:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 259 transitions. [2022-10-16 15:41:47,351 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 259 transitions. Word has length 39 [2022-10-16 15:41:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:47,354 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 259 transitions. [2022-10-16 15:41:47,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 39.0) internal successors, (39), 2 states have internal predecessors, (39), 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 15:41:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 259 transitions. [2022-10-16 15:41:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:41:47,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:47,358 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] [2022-10-16 15:41:47,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:41:47,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:47,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:47,361 INFO L85 PathProgramCache]: Analyzing trace with hash -882025007, now seen corresponding path program 1 times [2022-10-16 15:41:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:47,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121582677] [2022-10-16 15:41:47,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:47,614 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 15:41:47,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:47,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121582677] [2022-10-16 15:41:47,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121582677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:47,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:47,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:47,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798243213] [2022-10-16 15:41:47,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:47,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:41:47,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:47,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:41:47,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:41:47,619 INFO L87 Difference]: Start difference. First operand 184 states and 259 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 15:41:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:47,715 INFO L93 Difference]: Finished difference Result 431 states and 612 transitions. [2022-10-16 15:41:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:41:47,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2022-10-16 15:41:47,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:47,722 INFO L225 Difference]: With dead ends: 431 [2022-10-16 15:41:47,722 INFO L226 Difference]: Without dead ends: 295 [2022-10-16 15:41:47,727 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 15:41:47,731 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 152 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:47,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 491 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:41:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-10-16 15:41:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 275. [2022-10-16 15:41:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 249 states have (on average 1.6506024096385543) internal successors, (411), 274 states have internal predecessors, (411), 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 15:41:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 411 transitions. [2022-10-16 15:41:47,795 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 411 transitions. Word has length 47 [2022-10-16 15:41:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:47,796 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 411 transitions. [2022-10-16 15:41:47,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 15:41:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 411 transitions. [2022-10-16 15:41:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:41:47,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:47,799 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] [2022-10-16 15:41:47,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:41:47,799 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:47,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:47,800 INFO L85 PathProgramCache]: Analyzing trace with hash -415048220, now seen corresponding path program 1 times [2022-10-16 15:41:47,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:47,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546915798] [2022-10-16 15:41:47,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:47,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:47,940 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 15:41:47,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:47,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546915798] [2022-10-16 15:41:47,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546915798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:47,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:47,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982789756] [2022-10-16 15:41:47,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:47,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:41:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:47,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:41:47,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:41:47,944 INFO L87 Difference]: Start difference. First operand 275 states and 411 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 15:41:48,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:48,048 INFO L93 Difference]: Finished difference Result 715 states and 1075 transitions. [2022-10-16 15:41:48,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:41:48,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-10-16 15:41:48,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:48,054 INFO L225 Difference]: With dead ends: 715 [2022-10-16 15:41:48,054 INFO L226 Difference]: Without dead ends: 488 [2022-10-16 15:41:48,056 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 15:41:48,058 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 171 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:48,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 491 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:41:48,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-10-16 15:41:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 458. [2022-10-16 15:41:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 432 states have (on average 1.6712962962962963) internal successors, (722), 457 states have internal predecessors, (722), 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 15:41:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 722 transitions. [2022-10-16 15:41:48,132 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 722 transitions. Word has length 49 [2022-10-16 15:41:48,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:48,132 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 722 transitions. [2022-10-16 15:41:48,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 15:41:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 722 transitions. [2022-10-16 15:41:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:41:48,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:48,136 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] [2022-10-16 15:41:48,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:41:48,136 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:48,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1117429425, now seen corresponding path program 1 times [2022-10-16 15:41:48,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:48,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065581874] [2022-10-16 15:41:48,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:48,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:48,268 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 15:41:48,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:48,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065581874] [2022-10-16 15:41:48,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065581874] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:48,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:48,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:48,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564818769] [2022-10-16 15:41:48,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:48,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:41:48,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:48,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:41:48,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:41:48,272 INFO L87 Difference]: Start difference. First operand 458 states and 722 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 15:41:48,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:48,353 INFO L93 Difference]: Finished difference Result 1250 states and 1982 transitions. [2022-10-16 15:41:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:41:48,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-10-16 15:41:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:48,360 INFO L225 Difference]: With dead ends: 1250 [2022-10-16 15:41:48,361 INFO L226 Difference]: Without dead ends: 840 [2022-10-16 15:41:48,363 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 15:41:48,365 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 166 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:48,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 492 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:41:48,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-10-16 15:41:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 806. [2022-10-16 15:41:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 780 states have (on average 1.6794871794871795) internal successors, (1310), 805 states have internal predecessors, (1310), 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 15:41:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1310 transitions. [2022-10-16 15:41:48,487 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1310 transitions. Word has length 51 [2022-10-16 15:41:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:48,488 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 1310 transitions. [2022-10-16 15:41:48,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 15:41:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1310 transitions. [2022-10-16 15:41:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 15:41:48,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:48,491 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] [2022-10-16 15:41:48,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:41:48,492 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:48,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:48,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1103075068, now seen corresponding path program 1 times [2022-10-16 15:41:48,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:48,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792278764] [2022-10-16 15:41:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:48,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:48,658 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 15:41:48,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:48,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792278764] [2022-10-16 15:41:48,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792278764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:48,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:48,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:48,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222915893] [2022-10-16 15:41:48,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:48,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:48,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:48,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:48,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:48,662 INFO L87 Difference]: Start difference. First operand 806 states and 1310 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 15:41:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:48,977 INFO L93 Difference]: Finished difference Result 1643 states and 2670 transitions. [2022-10-16 15:41:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:41:48,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2022-10-16 15:41:48,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:48,990 INFO L225 Difference]: With dead ends: 1643 [2022-10-16 15:41:48,990 INFO L226 Difference]: Without dead ends: 1640 [2022-10-16 15:41:48,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:48,993 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 562 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:48,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 696 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:41:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2022-10-16 15:41:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1383. [2022-10-16 15:41:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1357 states have (on average 1.6809137803979366) internal successors, (2281), 1382 states have internal predecessors, (2281), 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 15:41:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 2281 transitions. [2022-10-16 15:41:49,139 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 2281 transitions. Word has length 53 [2022-10-16 15:41:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:49,140 INFO L495 AbstractCegarLoop]: Abstraction has 1383 states and 2281 transitions. [2022-10-16 15:41:49,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 15:41:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2281 transitions. [2022-10-16 15:41:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 15:41:49,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:49,142 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] [2022-10-16 15:41:49,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:41:49,143 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash 164411496, now seen corresponding path program 1 times [2022-10-16 15:41:49,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:49,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935660464] [2022-10-16 15:41:49,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:49,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:49,258 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 15:41:49,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:49,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935660464] [2022-10-16 15:41:49,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935660464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:49,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:49,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:49,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51205040] [2022-10-16 15:41:49,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:49,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:49,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:49,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:49,265 INFO L87 Difference]: Start difference. First operand 1383 states and 2281 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 15:41:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:49,571 INFO L93 Difference]: Finished difference Result 1617 states and 2650 transitions. [2022-10-16 15:41:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:41:49,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 54 [2022-10-16 15:41:49,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:49,585 INFO L225 Difference]: With dead ends: 1617 [2022-10-16 15:41:49,586 INFO L226 Difference]: Without dead ends: 1614 [2022-10-16 15:41:49,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:49,592 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 559 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:49,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 474 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:41:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2022-10-16 15:41:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1594. [2022-10-16 15:41:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1568 states have (on average 1.6709183673469388) internal successors, (2620), 1593 states have internal predecessors, (2620), 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 15:41:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2620 transitions. [2022-10-16 15:41:49,777 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2620 transitions. Word has length 54 [2022-10-16 15:41:49,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:49,778 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2620 transitions. [2022-10-16 15:41:49,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 15:41:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2620 transitions. [2022-10-16 15:41:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:41:49,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:49,780 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] [2022-10-16 15:41:49,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:41:49,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:49,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash 801789318, now seen corresponding path program 1 times [2022-10-16 15:41:49,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:49,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760288567] [2022-10-16 15:41:49,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:49,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:49,919 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 15:41:49,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:49,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760288567] [2022-10-16 15:41:49,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760288567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:49,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:49,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:41:49,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656969436] [2022-10-16 15:41:49,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:49,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:41:49,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:49,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:41:49,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:49,925 INFO L87 Difference]: Start difference. First operand 1594 states and 2620 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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 15:41:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:50,656 INFO L93 Difference]: Finished difference Result 4796 states and 7834 transitions. [2022-10-16 15:41:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:41:50,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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 55 [2022-10-16 15:41:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:50,676 INFO L225 Difference]: With dead ends: 4796 [2022-10-16 15:41:50,676 INFO L226 Difference]: Without dead ends: 3250 [2022-10-16 15:41:50,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:41:50,681 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 1231 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:50,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1416 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:41:50,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2022-10-16 15:41:50,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2734. [2022-10-16 15:41:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2708 states have (on average 1.6565731166912852) internal successors, (4486), 2733 states have internal predecessors, (4486), 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 15:41:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 4486 transitions. [2022-10-16 15:41:50,988 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 4486 transitions. Word has length 55 [2022-10-16 15:41:50,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:50,989 INFO L495 AbstractCegarLoop]: Abstraction has 2734 states and 4486 transitions. [2022-10-16 15:41:50,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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 15:41:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 4486 transitions. [2022-10-16 15:41:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 15:41:50,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:50,991 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] [2022-10-16 15:41:50,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:41:50,992 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash -914334678, now seen corresponding path program 1 times [2022-10-16 15:41:50,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:50,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52128695] [2022-10-16 15:41:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:51,164 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 15:41:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:51,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52128695] [2022-10-16 15:41:51,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52128695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:51,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:51,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:41:51,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622237736] [2022-10-16 15:41:51,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:51,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:41:51,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:51,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:41:51,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:51,169 INFO L87 Difference]: Start difference. First operand 2734 states and 4486 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 15:41:51,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:51,782 INFO L93 Difference]: Finished difference Result 3563 states and 5810 transitions. [2022-10-16 15:41:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:41:51,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 56 [2022-10-16 15:41:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:51,803 INFO L225 Difference]: With dead ends: 3563 [2022-10-16 15:41:51,803 INFO L226 Difference]: Without dead ends: 3560 [2022-10-16 15:41:51,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:41:51,807 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1235 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:51,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 832 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:41:51,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2022-10-16 15:41:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3506. [2022-10-16 15:41:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3506 states, 3480 states have (on average 1.6482758620689655) internal successors, (5736), 3505 states have internal predecessors, (5736), 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 15:41:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 5736 transitions. [2022-10-16 15:41:52,161 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 5736 transitions. Word has length 56 [2022-10-16 15:41:52,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:52,162 INFO L495 AbstractCegarLoop]: Abstraction has 3506 states and 5736 transitions. [2022-10-16 15:41:52,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 15:41:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 5736 transitions. [2022-10-16 15:41:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:41:52,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:52,164 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] [2022-10-16 15:41:52,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:41:52,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:52,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2009729786, now seen corresponding path program 1 times [2022-10-16 15:41:52,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:52,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925657280] [2022-10-16 15:41:52,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:52,239 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 15:41:52,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:52,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925657280] [2022-10-16 15:41:52,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925657280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:52,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:52,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:52,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011576230] [2022-10-16 15:41:52,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:52,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:41:52,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:52,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:41:52,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:41:52,242 INFO L87 Difference]: Start difference. First operand 3506 states and 5736 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 15:41:52,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:52,903 INFO L93 Difference]: Finished difference Result 7720 states and 12642 transitions. [2022-10-16 15:41:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:41:52,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2022-10-16 15:41:52,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:52,936 INFO L225 Difference]: With dead ends: 7720 [2022-10-16 15:41:52,936 INFO L226 Difference]: Without dead ends: 5361 [2022-10-16 15:41:52,942 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 15:41:52,944 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 169 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:52,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 609 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:41:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5361 states. [2022-10-16 15:41:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5361 to 5335. [2022-10-16 15:41:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5309 states have (on average 1.6481446600113017) internal successors, (8750), 5334 states have internal predecessors, (8750), 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 15:41:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 8750 transitions. [2022-10-16 15:41:53,566 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 8750 transitions. Word has length 57 [2022-10-16 15:41:53,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:53,566 INFO L495 AbstractCegarLoop]: Abstraction has 5335 states and 8750 transitions. [2022-10-16 15:41:53,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 15:41:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 8750 transitions. [2022-10-16 15:41:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:41:53,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:53,568 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] [2022-10-16 15:41:53,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:41:53,569 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:53,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash -431732722, now seen corresponding path program 1 times [2022-10-16 15:41:53,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:53,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206140418] [2022-10-16 15:41:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:53,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:53,632 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 15:41:53,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:53,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206140418] [2022-10-16 15:41:53,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206140418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:53,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:53,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:53,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977581194] [2022-10-16 15:41:53,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:53,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:41:53,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:41:53,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:41:53,635 INFO L87 Difference]: Start difference. First operand 5335 states and 8750 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 15:41:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:54,411 INFO L93 Difference]: Finished difference Result 11963 states and 19858 transitions. [2022-10-16 15:41:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:41:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2022-10-16 15:41:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:54,482 INFO L225 Difference]: With dead ends: 11963 [2022-10-16 15:41:54,483 INFO L226 Difference]: Without dead ends: 8207 [2022-10-16 15:41:54,492 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 15:41:54,493 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 174 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:54,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:41:54,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8207 states. [2022-10-16 15:41:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8207 to 8181. [2022-10-16 15:41:55,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8181 states, 8155 states have (on average 1.6606989576946658) internal successors, (13543), 8180 states have internal predecessors, (13543), 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 15:41:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8181 states to 8181 states and 13543 transitions. [2022-10-16 15:41:55,553 INFO L78 Accepts]: Start accepts. Automaton has 8181 states and 13543 transitions. Word has length 57 [2022-10-16 15:41:55,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:55,553 INFO L495 AbstractCegarLoop]: Abstraction has 8181 states and 13543 transitions. [2022-10-16 15:41:55,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 15:41:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 8181 states and 13543 transitions. [2022-10-16 15:41:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:41:55,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:55,556 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] [2022-10-16 15:41:55,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:41:55,556 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:55,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:55,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1792677900, now seen corresponding path program 1 times [2022-10-16 15:41:55,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:55,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260958583] [2022-10-16 15:41:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:55,662 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 15:41:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:55,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260958583] [2022-10-16 15:41:55,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260958583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:55,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:55,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066981320] [2022-10-16 15:41:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:55,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:55,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:55,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:55,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:55,665 INFO L87 Difference]: Start difference. First operand 8181 states and 13543 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 15:41:57,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:57,105 INFO L93 Difference]: Finished difference Result 21894 states and 36253 transitions. [2022-10-16 15:41:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:41:57,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2022-10-16 15:41:57,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:57,156 INFO L225 Difference]: With dead ends: 21894 [2022-10-16 15:41:57,157 INFO L226 Difference]: Without dead ends: 13775 [2022-10-16 15:41:57,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:57,175 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 548 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:57,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 746 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:41:57,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13775 states. [2022-10-16 15:41:58,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13775 to 11706. [2022-10-16 15:41:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11706 states, 11680 states have (on average 1.6479452054794521) internal successors, (19248), 11705 states have internal predecessors, (19248), 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 15:41:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11706 states to 11706 states and 19248 transitions. [2022-10-16 15:41:58,217 INFO L78 Accepts]: Start accepts. Automaton has 11706 states and 19248 transitions. Word has length 58 [2022-10-16 15:41:58,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:58,217 INFO L495 AbstractCegarLoop]: Abstraction has 11706 states and 19248 transitions. [2022-10-16 15:41:58,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 15:41:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 11706 states and 19248 transitions. [2022-10-16 15:41:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:41:58,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:58,219 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] [2022-10-16 15:41:58,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:41:58,220 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:41:58,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash -261559701, now seen corresponding path program 1 times [2022-10-16 15:41:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:58,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824189297] [2022-10-16 15:41:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:58,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:58,323 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 15:41:58,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:58,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824189297] [2022-10-16 15:41:58,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824189297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:58,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:58,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:58,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216853480] [2022-10-16 15:41:58,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:58,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:58,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:58,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:58,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:58,327 INFO L87 Difference]: Start difference. First operand 11706 states and 19248 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 15:41:59,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:59,751 INFO L93 Difference]: Finished difference Result 16765 states and 27824 transitions. [2022-10-16 15:41:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:41:59,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2022-10-16 15:41:59,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:59,808 INFO L225 Difference]: With dead ends: 16765 [2022-10-16 15:41:59,809 INFO L226 Difference]: Without dead ends: 16764 [2022-10-16 15:41:59,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:59,817 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 549 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:59,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 448 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:41:59,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2022-10-16 15:42:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 16710. [2022-10-16 15:42:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16710 states, 16684 states have (on average 1.6556581155598178) internal successors, (27623), 16709 states have internal predecessors, (27623), 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 15:42:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16710 states to 16710 states and 27623 transitions. [2022-10-16 15:42:00,982 INFO L78 Accepts]: Start accepts. Automaton has 16710 states and 27623 transitions. Word has length 59 [2022-10-16 15:42:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:00,982 INFO L495 AbstractCegarLoop]: Abstraction has 16710 states and 27623 transitions. [2022-10-16 15:42:00,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 15:42:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 16710 states and 27623 transitions. [2022-10-16 15:42:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:42:00,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:00,984 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] [2022-10-16 15:42:00,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:42:00,984 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:42:00,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash -907595760, now seen corresponding path program 1 times [2022-10-16 15:42:00,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:00,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809758483] [2022-10-16 15:42:00,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:00,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:01,049 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 15:42:01,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:01,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809758483] [2022-10-16 15:42:01,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809758483] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:01,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:01,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:01,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643463909] [2022-10-16 15:42:01,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:01,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:01,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:01,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:01,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:01,052 INFO L87 Difference]: Start difference. First operand 16710 states and 27623 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 15:42:02,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:02,779 INFO L93 Difference]: Finished difference Result 33138 states and 54950 transitions. [2022-10-16 15:42:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:02,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2022-10-16 15:42:02,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:02,847 INFO L225 Difference]: With dead ends: 33138 [2022-10-16 15:42:02,847 INFO L226 Difference]: Without dead ends: 23742 [2022-10-16 15:42:02,868 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 15:42:02,869 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 164 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:02,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 605 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23742 states. [2022-10-16 15:42:04,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23742 to 23716. [2022-10-16 15:42:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23716 states, 23690 states have (on average 1.6565217391304348) internal successors, (39243), 23715 states have internal predecessors, (39243), 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 15:42:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23716 states to 23716 states and 39243 transitions. [2022-10-16 15:42:04,986 INFO L78 Accepts]: Start accepts. Automaton has 23716 states and 39243 transitions. Word has length 59 [2022-10-16 15:42:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:04,987 INFO L495 AbstractCegarLoop]: Abstraction has 23716 states and 39243 transitions. [2022-10-16 15:42:04,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 15:42:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 23716 states and 39243 transitions. [2022-10-16 15:42:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:42:04,988 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:04,988 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] [2022-10-16 15:42:04,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:42:04,989 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:42:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2044205805, now seen corresponding path program 1 times [2022-10-16 15:42:04,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:04,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185690077] [2022-10-16 15:42:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:04,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:05,123 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 15:42:05,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:05,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185690077] [2022-10-16 15:42:05,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185690077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:05,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:05,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:05,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922042871] [2022-10-16 15:42:05,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:05,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:05,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:05,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:05,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:05,126 INFO L87 Difference]: Start difference. First operand 23716 states and 39243 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 15:42:07,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:07,979 INFO L93 Difference]: Finished difference Result 36267 states and 59035 transitions. [2022-10-16 15:42:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:07,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-10-16 15:42:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:08,098 INFO L225 Difference]: With dead ends: 36267 [2022-10-16 15:42:08,098 INFO L226 Difference]: Without dead ends: 36266 [2022-10-16 15:42:08,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:08,113 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 529 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:08,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 383 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36266 states. [2022-10-16 15:42:11,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36266 to 36136. [2022-10-16 15:42:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36136 states, 36110 states have (on average 1.6194405981722515) internal successors, (58478), 36135 states have internal predecessors, (58478), 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 15:42:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36136 states to 36136 states and 58478 transitions. [2022-10-16 15:42:11,337 INFO L78 Accepts]: Start accepts. Automaton has 36136 states and 58478 transitions. Word has length 61 [2022-10-16 15:42:11,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:11,337 INFO L495 AbstractCegarLoop]: Abstraction has 36136 states and 58478 transitions. [2022-10-16 15:42:11,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 15:42:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36136 states and 58478 transitions. [2022-10-16 15:42:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:42:11,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:11,340 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] [2022-10-16 15:42:11,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:42:11,340 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:42:11,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:11,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1054129231, now seen corresponding path program 1 times [2022-10-16 15:42:11,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:11,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93503399] [2022-10-16 15:42:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:11,463 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 15:42:11,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:11,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93503399] [2022-10-16 15:42:11,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93503399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:11,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:11,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:11,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236583008] [2022-10-16 15:42:11,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:11,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:11,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:11,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:11,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:11,465 INFO L87 Difference]: Start difference. First operand 36136 states and 58478 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 15:42:16,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:16,800 INFO L93 Difference]: Finished difference Result 63770 states and 103379 transitions. [2022-10-16 15:42:16,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:16,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-10-16 15:42:16,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:16,912 INFO L225 Difference]: With dead ends: 63770 [2022-10-16 15:42:16,912 INFO L226 Difference]: Without dead ends: 63769 [2022-10-16 15:42:16,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:16,926 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 587 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:16,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 392 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:42:16,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63769 states. [2022-10-16 15:42:22,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63769 to 63621. [2022-10-16 15:42:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63621 states, 63595 states have (on average 1.6129255444610426) internal successors, (102574), 63620 states have internal predecessors, (102574), 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 15:42:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63621 states to 63621 states and 102574 transitions. [2022-10-16 15:42:22,888 INFO L78 Accepts]: Start accepts. Automaton has 63621 states and 102574 transitions. Word has length 62 [2022-10-16 15:42:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:22,889 INFO L495 AbstractCegarLoop]: Abstraction has 63621 states and 102574 transitions. [2022-10-16 15:42:22,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 15:42:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 63621 states and 102574 transitions. [2022-10-16 15:42:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:42:22,890 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:22,890 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] [2022-10-16 15:42:22,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:42:22,890 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:42:22,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:22,891 INFO L85 PathProgramCache]: Analyzing trace with hash 594099091, now seen corresponding path program 1 times [2022-10-16 15:42:22,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:22,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653119651] [2022-10-16 15:42:22,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:22,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:23,229 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 15:42:23,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:23,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653119651] [2022-10-16 15:42:23,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653119651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:23,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:23,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:23,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431625941] [2022-10-16 15:42:23,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:23,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:23,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:23,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:23,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:23,234 INFO L87 Difference]: Start difference. First operand 63621 states and 102574 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 15:42:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:35,292 INFO L93 Difference]: Finished difference Result 203509 states and 329089 transitions. [2022-10-16 15:42:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2022-10-16 15:42:35,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:35,645 INFO L225 Difference]: With dead ends: 203509 [2022-10-16 15:42:35,645 INFO L226 Difference]: Without dead ends: 139963 [2022-10-16 15:42:35,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:35,757 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 549 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:35,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 821 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139963 states. [2022-10-16 15:42:45,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139963 to 101462. [2022-10-16 15:42:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101462 states, 101436 states have (on average 1.6066583855830276) internal successors, (162973), 101461 states have internal predecessors, (162973), 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 15:42:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101462 states to 101462 states and 162973 transitions. [2022-10-16 15:42:46,497 INFO L78 Accepts]: Start accepts. Automaton has 101462 states and 162973 transitions. Word has length 64 [2022-10-16 15:42:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:46,498 INFO L495 AbstractCegarLoop]: Abstraction has 101462 states and 162973 transitions. [2022-10-16 15:42:46,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 15:42:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 101462 states and 162973 transitions. [2022-10-16 15:42:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:42:46,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:46,500 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] [2022-10-16 15:42:46,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:42:46,500 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:42:46,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1237202898, now seen corresponding path program 1 times [2022-10-16 15:42:46,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:46,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157242269] [2022-10-16 15:42:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:46,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:46,618 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 15:42:46,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:46,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157242269] [2022-10-16 15:42:46,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157242269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:46,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:46,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440289162] [2022-10-16 15:42:46,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:46,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:46,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:46,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:46,621 INFO L87 Difference]: Start difference. First operand 101462 states and 162973 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 15:42:59,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:59,988 INFO L93 Difference]: Finished difference Result 145311 states and 233949 transitions. [2022-10-16 15:42:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-10-16 15:42:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:00,502 INFO L225 Difference]: With dead ends: 145311 [2022-10-16 15:43:00,502 INFO L226 Difference]: Without dead ends: 145310 [2022-10-16 15:43:00,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:43:00,554 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 542 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:00,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 493 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:43:00,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145310 states. [2022-10-16 15:43:14,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145310 to 144936. [2022-10-16 15:43:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144936 states, 144910 states have (on average 1.6034366158305156) internal successors, (232354), 144935 states have internal predecessors, (232354), 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 15:43:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144936 states to 144936 states and 232354 transitions. [2022-10-16 15:43:15,667 INFO L78 Accepts]: Start accepts. Automaton has 144936 states and 232354 transitions. Word has length 65 [2022-10-16 15:43:15,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:15,667 INFO L495 AbstractCegarLoop]: Abstraction has 144936 states and 232354 transitions. [2022-10-16 15:43:15,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 15:43:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 144936 states and 232354 transitions. [2022-10-16 15:43:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:43:15,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:15,668 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] [2022-10-16 15:43:15,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:43:15,669 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:43:15,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:15,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1415608780, now seen corresponding path program 1 times [2022-10-16 15:43:15,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:15,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067881649] [2022-10-16 15:43:15,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:15,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:15,771 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 15:43:15,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:15,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067881649] [2022-10-16 15:43:15,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067881649] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:15,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:15,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:43:15,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320983088] [2022-10-16 15:43:15,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:15,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:43:15,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:15,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:43:15,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:43:15,774 INFO L87 Difference]: Start difference. First operand 144936 states and 232354 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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 15:43:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:44,026 INFO L93 Difference]: Finished difference Result 287392 states and 464687 transitions. [2022-10-16 15:43:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:43:44,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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 75 [2022-10-16 15:43:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:45,062 INFO L225 Difference]: With dead ends: 287392 [2022-10-16 15:43:45,062 INFO L226 Difference]: Without dead ends: 287390 [2022-10-16 15:43:45,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:43:45,177 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 537 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:45,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 738 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:43:45,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287390 states. [2022-10-16 15:44:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287390 to 206504. [2022-10-16 15:44:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206504 states, 206478 states have (on average 1.6019285347591512) internal successors, (330763), 206503 states have internal predecessors, (330763), 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 15:44:09,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206504 states to 206504 states and 330763 transitions. [2022-10-16 15:44:09,171 INFO L78 Accepts]: Start accepts. Automaton has 206504 states and 330763 transitions. Word has length 75 [2022-10-16 15:44:09,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:09,172 INFO L495 AbstractCegarLoop]: Abstraction has 206504 states and 330763 transitions. [2022-10-16 15:44:09,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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 15:44:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 206504 states and 330763 transitions. [2022-10-16 15:44:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:44:09,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:09,173 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] [2022-10-16 15:44:09,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:44:09,174 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:44:09,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:09,174 INFO L85 PathProgramCache]: Analyzing trace with hash -934198913, now seen corresponding path program 1 times [2022-10-16 15:44:09,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:09,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935008517] [2022-10-16 15:44:09,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:09,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:09,313 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 15:44:09,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:09,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935008517] [2022-10-16 15:44:09,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935008517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:09,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:09,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:44:09,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279354252] [2022-10-16 15:44:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:09,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:44:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:09,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:44:09,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:09,317 INFO L87 Difference]: Start difference. First operand 206504 states and 330763 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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)