/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_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:11:06,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:11:06,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:11:06,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:11:06,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:11:06,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:11:06,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:11:06,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:11:06,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:11:06,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:11:06,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:11:06,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:11:06,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:11:06,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:11:06,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:11:06,886 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 [2022-10-15 22:11:06,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:11:06,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:11:06,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:11:06,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:11:06,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:11:06,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:11:06,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:11:06,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:11:06,947 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:11:06,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:11:06,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:11:06,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:11:06,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:11:06,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:11:06,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:11:06,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:11:06,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:11:06,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:11:06,950 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:11:06,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:11:06,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:11:06,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:11:06,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:11:06,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:11:06,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:11:06,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:11:06,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:11:06,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:11:06,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:11:06,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:11:06,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:11:06,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:11:06,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:11:06,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:11:07,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:11:07,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:11:07,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:11:07,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:11:07,432 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:11:07,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:11:07,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7cb5b94/876fda9853e64f09a83ad4692f8b39b4/FLAG55486a22d [2022-10-15 22:11:08,254 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:11:08,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:11:08,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7cb5b94/876fda9853e64f09a83ad4692f8b39b4/FLAG55486a22d [2022-10-15 22:11:08,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7cb5b94/876fda9853e64f09a83ad4692f8b39b4 [2022-10-15 22:11:08,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:11:08,549 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:11:08,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:11:08,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:11:08,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:11:08,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:11:08" (1/1) ... [2022-10-15 22:11:08,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132bf642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:08, skipping insertion in model container [2022-10-15 22:11:08,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:11:08" (1/1) ... [2022-10-15 22:11:08,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:11:08,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:11:08,939 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_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2022-10-15 22:11:09,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:11:09,032 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:11:09,148 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_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2022-10-15 22:11:09,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:11:09,249 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:11:09,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09 WrapperNode [2022-10-15 22:11:09,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:11:09,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:11:09,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:11:09,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:11:09,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,340 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 690 [2022-10-15 22:11:09,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:11:09,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:11:09,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:11:09,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:11:09,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:11:09,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:11:09,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:11:09,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:11:09,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (1/1) ... [2022-10-15 22:11:09,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:11:09,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:11:09,498 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) [2022-10-15 22:11:09,527 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 [2022-10-15 22:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:11:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:11:09,884 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:11:09,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:11:10,657 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:11:10,678 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:11:10,679 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:11:10,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:10 BoogieIcfgContainer [2022-10-15 22:11:10,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:11:10,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:11:10,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:11:10,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:11:10,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:11:08" (1/3) ... [2022-10-15 22:11:10,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606ff657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:10, skipping insertion in model container [2022-10-15 22:11:10,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:09" (2/3) ... [2022-10-15 22:11:10,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606ff657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:10, skipping insertion in model container [2022-10-15 22:11:10,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:10" (3/3) ... [2022-10-15 22:11:10,697 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:11:10,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:11:10,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-15 22:11:10,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:11:10,810 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;@7344f82b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:11:10,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-15 22:11:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 203 states have (on average 1.7586206896551724) internal successors, (357), 231 states have internal predecessors, (357), 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) [2022-10-15 22:11:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:11:10,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:10,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:11:10,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:10,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:11:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:10,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644180163] [2022-10-15 22:11:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:10,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:11,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:11,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644180163] [2022-10-15 22:11:11,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644180163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:11,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:11,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:11:11,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781974343] [2022-10-15 22:11:11,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:11,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:11:11,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:11,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:11:11,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:11,172 INFO L87 Difference]: Start difference. First operand has 232 states, 203 states have (on average 1.7586206896551724) internal successors, (357), 231 states have internal predecessors, (357), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:11,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:11,249 INFO L93 Difference]: Finished difference Result 235 states and 359 transitions. [2022-10-15 22:11:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:11:11,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 22:11:11,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:11,273 INFO L225 Difference]: With dead ends: 235 [2022-10-15 22:11:11,274 INFO L226 Difference]: Without dead ends: 219 [2022-10-15 22:11:11,278 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 [2022-10-15 22:11:11,284 INFO L413 NwaCegarLoop]: 346 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, 346 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 [2022-10-15 22:11:11,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:11,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-10-15 22:11:11,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-10-15 22:11:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 201 states have (on average 1.4875621890547264) internal successors, (299), 218 states have internal predecessors, (299), 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) [2022-10-15 22:11:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 299 transitions. [2022-10-15 22:11:11,352 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 299 transitions. Word has length 4 [2022-10-15 22:11:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:11,352 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 299 transitions. [2022-10-15 22:11:11,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 299 transitions. [2022-10-15 22:11:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:11:11,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:11,356 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] [2022-10-15 22:11:11,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:11:11,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:11,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:11,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1202341498, now seen corresponding path program 1 times [2022-10-15 22:11:11,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:11,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318535947] [2022-10-15 22:11:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:11,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:11,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:11,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318535947] [2022-10-15 22:11:11,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318535947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:11,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:11,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:11,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057585869] [2022-10-15 22:11:11,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:11,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:11,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:11,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:11,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:11,781 INFO L87 Difference]: Start difference. First operand 219 states and 299 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-10-15 22:11:12,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:12,056 INFO L93 Difference]: Finished difference Result 457 states and 655 transitions. [2022-10-15 22:11:12,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:12,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2022-10-15 22:11:12,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:12,061 INFO L225 Difference]: With dead ends: 457 [2022-10-15 22:11:12,062 INFO L226 Difference]: Without dead ends: 454 [2022-10-15 22:11:12,062 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 [2022-10-15 22:11:12,064 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 694 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:12,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 730 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-10-15 22:11:12,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 329. [2022-10-15 22:11:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 312 states have (on average 1.5352564102564104) internal successors, (479), 328 states have internal predecessors, (479), 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) [2022-10-15 22:11:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 479 transitions. [2022-10-15 22:11:12,107 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 479 transitions. Word has length 50 [2022-10-15 22:11:12,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:12,107 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 479 transitions. [2022-10-15 22:11:12,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-10-15 22:11:12,108 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 479 transitions. [2022-10-15 22:11:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 22:11:12,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:12,110 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] [2022-10-15 22:11:12,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:11:12,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:12,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1382119421, now seen corresponding path program 1 times [2022-10-15 22:11:12,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:12,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477643072] [2022-10-15 22:11:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:12,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:12,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:12,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477643072] [2022-10-15 22:11:12,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477643072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:12,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:12,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:12,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423196165] [2022-10-15 22:11:12,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:12,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:12,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:12,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:12,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:12,344 INFO L87 Difference]: Start difference. First operand 329 states and 479 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 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) [2022-10-15 22:11:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:12,512 INFO L93 Difference]: Finished difference Result 444 states and 652 transitions. [2022-10-15 22:11:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:12,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 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 [2022-10-15 22:11:12,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:12,517 INFO L225 Difference]: With dead ends: 444 [2022-10-15 22:11:12,517 INFO L226 Difference]: Without dead ends: 441 [2022-10-15 22:11:12,519 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 [2022-10-15 22:11:12,527 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 697 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:12,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 431 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:12,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-10-15 22:11:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 433. [2022-10-15 22:11:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 417 states have (on average 1.5515587529976018) internal successors, (647), 432 states have internal predecessors, (647), 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) [2022-10-15 22:11:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 647 transitions. [2022-10-15 22:11:12,576 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 647 transitions. Word has length 51 [2022-10-15 22:11:12,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:12,577 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 647 transitions. [2022-10-15 22:11:12,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 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) [2022-10-15 22:11:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 647 transitions. [2022-10-15 22:11:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:11:12,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:12,579 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] [2022-10-15 22:11:12,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:11:12,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash -103970712, now seen corresponding path program 1 times [2022-10-15 22:11:12,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:12,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250754977] [2022-10-15 22:11:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:12,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:12,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250754977] [2022-10-15 22:11:12,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250754977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:12,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:12,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:12,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501080468] [2022-10-15 22:11:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:12,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:12,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:12,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:12,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:12,723 INFO L87 Difference]: Start difference. First operand 433 states and 647 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-10-15 22:11:13,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:13,035 INFO L93 Difference]: Finished difference Result 661 states and 977 transitions. [2022-10-15 22:11:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:11:13,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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 52 [2022-10-15 22:11:13,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:13,041 INFO L225 Difference]: With dead ends: 661 [2022-10-15 22:11:13,042 INFO L226 Difference]: Without dead ends: 658 [2022-10-15 22:11:13,043 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 [2022-10-15 22:11:13,044 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1100 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:13,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 1172 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:13,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-10-15 22:11:13,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 531. [2022-10-15 22:11:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 516 states have (on average 1.556201550387597) internal successors, (803), 530 states have internal predecessors, (803), 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) [2022-10-15 22:11:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 803 transitions. [2022-10-15 22:11:13,118 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 803 transitions. Word has length 52 [2022-10-15 22:11:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:13,118 INFO L495 AbstractCegarLoop]: Abstraction has 531 states and 803 transitions. [2022-10-15 22:11:13,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-10-15 22:11:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 803 transitions. [2022-10-15 22:11:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:11:13,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:13,120 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] [2022-10-15 22:11:13,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:11:13,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:13,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1071875423, now seen corresponding path program 1 times [2022-10-15 22:11:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:13,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220828467] [2022-10-15 22:11:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:13,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:13,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220828467] [2022-10-15 22:11:13,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220828467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:13,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:13,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:13,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925297553] [2022-10-15 22:11:13,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:13,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:13,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:13,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:13,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:13,267 INFO L87 Difference]: Start difference. First operand 531 states and 803 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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) [2022-10-15 22:11:13,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:13,507 INFO L93 Difference]: Finished difference Result 646 states and 964 transitions. [2022-10-15 22:11:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:11:13,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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 [2022-10-15 22:11:13,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:13,513 INFO L225 Difference]: With dead ends: 646 [2022-10-15 22:11:13,513 INFO L226 Difference]: Without dead ends: 643 [2022-10-15 22:11:13,514 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 [2022-10-15 22:11:13,515 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1114 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:13,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 737 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:13,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-10-15 22:11:13,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 629. [2022-10-15 22:11:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 615 states have (on average 1.5560975609756098) internal successors, (957), 628 states have internal predecessors, (957), 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) [2022-10-15 22:11:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 957 transitions. [2022-10-15 22:11:13,572 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 957 transitions. Word has length 53 [2022-10-15 22:11:13,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:13,572 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 957 transitions. [2022-10-15 22:11:13,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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) [2022-10-15 22:11:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 957 transitions. [2022-10-15 22:11:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:11:13,574 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:13,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:13,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:11:13,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1131600054, now seen corresponding path program 1 times [2022-10-15 22:11:13,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:13,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800454070] [2022-10-15 22:11:13,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:13,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:13,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:13,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800454070] [2022-10-15 22:11:13,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800454070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:13,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:13,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:13,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142655637] [2022-10-15 22:11:13,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:13,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:13,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:13,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:13,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:13,764 INFO L87 Difference]: Start difference. First operand 629 states and 957 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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) [2022-10-15 22:11:14,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:14,154 INFO L93 Difference]: Finished difference Result 1418 states and 2172 transitions. [2022-10-15 22:11:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:11:14,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 [2022-10-15 22:11:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:14,161 INFO L225 Difference]: With dead ends: 1418 [2022-10-15 22:11:14,161 INFO L226 Difference]: Without dead ends: 945 [2022-10-15 22:11:14,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:11:14,165 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1465 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:14,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 1734 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2022-10-15 22:11:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 721. [2022-10-15 22:11:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 708 states have (on average 1.5494350282485876) internal successors, (1097), 720 states have internal predecessors, (1097), 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) [2022-10-15 22:11:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1097 transitions. [2022-10-15 22:11:14,229 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1097 transitions. Word has length 54 [2022-10-15 22:11:14,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:14,230 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 1097 transitions. [2022-10-15 22:11:14,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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) [2022-10-15 22:11:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1097 transitions. [2022-10-15 22:11:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:11:14,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:14,232 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] [2022-10-15 22:11:14,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:11:14,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:14,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:14,233 INFO L85 PathProgramCache]: Analyzing trace with hash -719863103, now seen corresponding path program 1 times [2022-10-15 22:11:14,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:14,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873435451] [2022-10-15 22:11:14,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:14,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:14,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873435451] [2022-10-15 22:11:14,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873435451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:14,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:14,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:14,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438559838] [2022-10-15 22:11:14,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:14,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:14,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:14,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:14,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:14,356 INFO L87 Difference]: Start difference. First operand 721 states and 1097 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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) [2022-10-15 22:11:14,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:14,826 INFO L93 Difference]: Finished difference Result 1121 states and 1695 transitions. [2022-10-15 22:11:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:11:14,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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 [2022-10-15 22:11:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:14,833 INFO L225 Difference]: With dead ends: 1121 [2022-10-15 22:11:14,834 INFO L226 Difference]: Without dead ends: 1118 [2022-10-15 22:11:14,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:11:14,838 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1873 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:14,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 1181 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:11:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-10-15 22:11:14,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1090. [2022-10-15 22:11:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1078 states have (on average 1.5602968460111317) internal successors, (1682), 1089 states have internal predecessors, (1682), 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) [2022-10-15 22:11:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1682 transitions. [2022-10-15 22:11:14,944 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1682 transitions. Word has length 55 [2022-10-15 22:11:14,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:14,945 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1682 transitions. [2022-10-15 22:11:14,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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) [2022-10-15 22:11:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1682 transitions. [2022-10-15 22:11:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:11:14,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:14,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:14,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:11:14,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:14,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:14,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1066798081, now seen corresponding path program 1 times [2022-10-15 22:11:14,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:14,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462507309] [2022-10-15 22:11:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:14,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:15,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:15,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462507309] [2022-10-15 22:11:15,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462507309] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:15,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:15,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:15,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776354725] [2022-10-15 22:11:15,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:15,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:15,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:15,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:15,049 INFO L87 Difference]: Start difference. First operand 1090 states and 1682 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-10-15 22:11:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:15,322 INFO L93 Difference]: Finished difference Result 3009 states and 4679 transitions. [2022-10-15 22:11:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2022-10-15 22:11:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:15,335 INFO L225 Difference]: With dead ends: 3009 [2022-10-15 22:11:15,335 INFO L226 Difference]: Without dead ends: 2007 [2022-10-15 22:11:15,338 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 [2022-10-15 22:11:15,339 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 208 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:15,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 560 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:15,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2022-10-15 22:11:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1995. [2022-10-15 22:11:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1995 states, 1983 states have (on average 1.5542107917297026) internal successors, (3082), 1994 states have internal predecessors, (3082), 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) [2022-10-15 22:11:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 3082 transitions. [2022-10-15 22:11:15,567 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 3082 transitions. Word has length 78 [2022-10-15 22:11:15,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:15,568 INFO L495 AbstractCegarLoop]: Abstraction has 1995 states and 3082 transitions. [2022-10-15 22:11:15,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-10-15 22:11:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 3082 transitions. [2022-10-15 22:11:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:11:15,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:15,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:15,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:11:15,571 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:15,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash 236519680, now seen corresponding path program 1 times [2022-10-15 22:11:15,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:15,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834718295] [2022-10-15 22:11:15,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:15,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:15,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:15,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834718295] [2022-10-15 22:11:15,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834718295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:15,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:15,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:15,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712458783] [2022-10-15 22:11:15,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:15,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:15,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:15,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:15,656 INFO L87 Difference]: Start difference. First operand 1995 states and 3082 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-10-15 22:11:16,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:16,058 INFO L93 Difference]: Finished difference Result 5507 states and 8547 transitions. [2022-10-15 22:11:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:16,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2022-10-15 22:11:16,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:16,080 INFO L225 Difference]: With dead ends: 5507 [2022-10-15 22:11:16,080 INFO L226 Difference]: Without dead ends: 3660 [2022-10-15 22:11:16,084 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 [2022-10-15 22:11:16,085 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 195 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:16,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 558 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:16,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2022-10-15 22:11:16,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3648. [2022-10-15 22:11:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3636 states have (on average 1.5426292629262925) internal successors, (5609), 3647 states have internal predecessors, (5609), 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) [2022-10-15 22:11:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5609 transitions. [2022-10-15 22:11:16,507 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5609 transitions. Word has length 78 [2022-10-15 22:11:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:16,508 INFO L495 AbstractCegarLoop]: Abstraction has 3648 states and 5609 transitions. [2022-10-15 22:11:16,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-10-15 22:11:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5609 transitions. [2022-10-15 22:11:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:11:16,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:16,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:16,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:11:16,511 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:16,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:16,512 INFO L85 PathProgramCache]: Analyzing trace with hash -780624051, now seen corresponding path program 1 times [2022-10-15 22:11:16,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:16,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708027971] [2022-10-15 22:11:16,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:16,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:16,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:16,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708027971] [2022-10-15 22:11:16,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708027971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:16,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:16,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:16,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699066964] [2022-10-15 22:11:16,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:16,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:16,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:16,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:16,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:16,644 INFO L87 Difference]: Start difference. First operand 3648 states and 5609 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-10-15 22:11:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:17,135 INFO L93 Difference]: Finished difference Result 4314 states and 6657 transitions. [2022-10-15 22:11:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2022-10-15 22:11:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:17,161 INFO L225 Difference]: With dead ends: 4314 [2022-10-15 22:11:17,161 INFO L226 Difference]: Without dead ends: 4312 [2022-10-15 22:11:17,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:17,167 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 385 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:17,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 822 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:17,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2022-10-15 22:11:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4296. [2022-10-15 22:11:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4296 states, 4284 states have (on average 1.550186741363212) internal successors, (6641), 4295 states have internal predecessors, (6641), 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) [2022-10-15 22:11:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 4296 states and 6641 transitions. [2022-10-15 22:11:17,652 INFO L78 Accepts]: Start accepts. Automaton has 4296 states and 6641 transitions. Word has length 79 [2022-10-15 22:11:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:17,652 INFO L495 AbstractCegarLoop]: Abstraction has 4296 states and 6641 transitions. [2022-10-15 22:11:17,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-10-15 22:11:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 6641 transitions. [2022-10-15 22:11:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:11:17,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:17,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:17,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:11:17,655 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:17,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:17,656 INFO L85 PathProgramCache]: Analyzing trace with hash 108330717, now seen corresponding path program 1 times [2022-10-15 22:11:17,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:17,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385006066] [2022-10-15 22:11:17,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:17,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:17,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:17,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385006066] [2022-10-15 22:11:17,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385006066] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:17,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:17,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:17,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375138879] [2022-10-15 22:11:17,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:17,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:17,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:17,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:17,803 INFO L87 Difference]: Start difference. First operand 4296 states and 6641 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-10-15 22:11:18,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:18,455 INFO L93 Difference]: Finished difference Result 5629 states and 8722 transitions. [2022-10-15 22:11:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:18,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2022-10-15 22:11:18,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:18,488 INFO L225 Difference]: With dead ends: 5629 [2022-10-15 22:11:18,489 INFO L226 Difference]: Without dead ends: 5627 [2022-10-15 22:11:18,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:18,492 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 377 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:18,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 813 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5627 states. [2022-10-15 22:11:19,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5627 to 5283. [2022-10-15 22:11:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5271 states have (on average 1.5530259912730031) internal successors, (8186), 5282 states have internal predecessors, (8186), 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) [2022-10-15 22:11:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 8186 transitions. [2022-10-15 22:11:19,046 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 8186 transitions. Word has length 79 [2022-10-15 22:11:19,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:19,047 INFO L495 AbstractCegarLoop]: Abstraction has 5283 states and 8186 transitions. [2022-10-15 22:11:19,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-10-15 22:11:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 8186 transitions. [2022-10-15 22:11:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 22:11:19,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:19,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:19,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:11:19,050 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:19,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1570458480, now seen corresponding path program 1 times [2022-10-15 22:11:19,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:19,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093903730] [2022-10-15 22:11:19,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:19,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:19,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093903730] [2022-10-15 22:11:19,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093903730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:19,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:19,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:19,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938979106] [2022-10-15 22:11:19,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:19,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:19,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:19,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:19,181 INFO L87 Difference]: Start difference. First operand 5283 states and 8186 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-10-15 22:11:19,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:19,813 INFO L93 Difference]: Finished difference Result 5291 states and 8186 transitions. [2022-10-15 22:11:19,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:19,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2022-10-15 22:11:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:19,870 INFO L225 Difference]: With dead ends: 5291 [2022-10-15 22:11:19,870 INFO L226 Difference]: Without dead ends: 5289 [2022-10-15 22:11:19,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:19,875 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 391 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:19,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 664 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2022-10-15 22:11:20,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 5281. [2022-10-15 22:11:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 5271 states have (on average 1.5469550369948777) internal successors, (8154), 5280 states have internal predecessors, (8154), 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) [2022-10-15 22:11:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 8154 transitions. [2022-10-15 22:11:20,425 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 8154 transitions. Word has length 80 [2022-10-15 22:11:20,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:20,425 INFO L495 AbstractCegarLoop]: Abstraction has 5281 states and 8154 transitions. [2022-10-15 22:11:20,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-10-15 22:11:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 8154 transitions. [2022-10-15 22:11:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 22:11:20,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:20,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:20,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:11:20,429 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:20,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1295167745, now seen corresponding path program 1 times [2022-10-15 22:11:20,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:20,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584887636] [2022-10-15 22:11:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:20,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:20,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:20,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584887636] [2022-10-15 22:11:20,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584887636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:20,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:20,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:20,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574054574] [2022-10-15 22:11:20,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:20,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:20,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:20,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:20,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:20,504 INFO L87 Difference]: Start difference. First operand 5281 states and 8154 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-10-15 22:11:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:21,407 INFO L93 Difference]: Finished difference Result 14739 states and 22781 transitions. [2022-10-15 22:11:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2022-10-15 22:11:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:21,436 INFO L225 Difference]: With dead ends: 14739 [2022-10-15 22:11:21,436 INFO L226 Difference]: Without dead ends: 9734 [2022-10-15 22:11:21,446 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 [2022-10-15 22:11:21,447 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 180 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:21,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 554 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:21,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9734 states. [2022-10-15 22:11:22,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9734 to 8976. [2022-10-15 22:11:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8976 states, 8966 states have (on average 1.5283292438099487) internal successors, (13703), 8975 states have internal predecessors, (13703), 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) [2022-10-15 22:11:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8976 states to 8976 states and 13703 transitions. [2022-10-15 22:11:22,385 INFO L78 Accepts]: Start accepts. Automaton has 8976 states and 13703 transitions. Word has length 80 [2022-10-15 22:11:22,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:22,386 INFO L495 AbstractCegarLoop]: Abstraction has 8976 states and 13703 transitions. [2022-10-15 22:11:22,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-10-15 22:11:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8976 states and 13703 transitions. [2022-10-15 22:11:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:11:22,389 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:22,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:22,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:11:22,389 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:22,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1439572911, now seen corresponding path program 1 times [2022-10-15 22:11:22,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:22,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647432046] [2022-10-15 22:11:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:22,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:22,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:22,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647432046] [2022-10-15 22:11:22,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647432046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:22,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:22,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:22,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202700144] [2022-10-15 22:11:22,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:22,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:22,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:22,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:22,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:22,528 INFO L87 Difference]: Start difference. First operand 8976 states and 13703 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-10-15 22:11:23,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:23,542 INFO L93 Difference]: Finished difference Result 10972 states and 16735 transitions. [2022-10-15 22:11:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:23,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2022-10-15 22:11:23,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:23,570 INFO L225 Difference]: With dead ends: 10972 [2022-10-15 22:11:23,570 INFO L226 Difference]: Without dead ends: 10970 [2022-10-15 22:11:23,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:23,575 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 800 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:23,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 973 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:23,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10970 states. [2022-10-15 22:11:24,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10970 to 10198. [2022-10-15 22:11:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10198 states, 10188 states have (on average 1.5277777777777777) internal successors, (15565), 10197 states have internal predecessors, (15565), 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) [2022-10-15 22:11:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10198 states to 10198 states and 15565 transitions. [2022-10-15 22:11:24,336 INFO L78 Accepts]: Start accepts. Automaton has 10198 states and 15565 transitions. Word has length 81 [2022-10-15 22:11:24,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:24,336 INFO L495 AbstractCegarLoop]: Abstraction has 10198 states and 15565 transitions. [2022-10-15 22:11:24,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-10-15 22:11:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 10198 states and 15565 transitions. [2022-10-15 22:11:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:11:24,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:24,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:24,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:11:24,340 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:24,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:24,341 INFO L85 PathProgramCache]: Analyzing trace with hash -851740499, now seen corresponding path program 1 times [2022-10-15 22:11:24,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:24,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157173625] [2022-10-15 22:11:24,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:24,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:24,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:24,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157173625] [2022-10-15 22:11:24,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157173625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:24,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:24,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:24,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371819849] [2022-10-15 22:11:24,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:24,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:24,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:24,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:24,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:24,484 INFO L87 Difference]: Start difference. First operand 10198 states and 15565 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-10-15 22:11:25,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:25,473 INFO L93 Difference]: Finished difference Result 10970 states and 16703 transitions. [2022-10-15 22:11:25,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:25,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2022-10-15 22:11:25,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:25,508 INFO L225 Difference]: With dead ends: 10970 [2022-10-15 22:11:25,508 INFO L226 Difference]: Without dead ends: 10968 [2022-10-15 22:11:25,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:25,516 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 787 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:25,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 1105 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:25,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10968 states. [2022-10-15 22:11:26,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10968 to 10504. [2022-10-15 22:11:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10504 states, 10494 states have (on average 1.525347817800648) internal successors, (16007), 10503 states have internal predecessors, (16007), 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) [2022-10-15 22:11:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10504 states to 10504 states and 16007 transitions. [2022-10-15 22:11:26,403 INFO L78 Accepts]: Start accepts. Automaton has 10504 states and 16007 transitions. Word has length 81 [2022-10-15 22:11:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:26,403 INFO L495 AbstractCegarLoop]: Abstraction has 10504 states and 16007 transitions. [2022-10-15 22:11:26,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-10-15 22:11:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 10504 states and 16007 transitions. [2022-10-15 22:11:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:11:26,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:26,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:26,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:11:26,406 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:26,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:26,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1026613055, now seen corresponding path program 1 times [2022-10-15 22:11:26,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:26,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500946346] [2022-10-15 22:11:26,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:26,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:26,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500946346] [2022-10-15 22:11:26,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500946346] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:26,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:26,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:26,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942230976] [2022-10-15 22:11:26,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:26,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:26,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:26,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:26,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:26,546 INFO L87 Difference]: Start difference. First operand 10504 states and 16007 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-10-15 22:11:27,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:27,648 INFO L93 Difference]: Finished difference Result 12180 states and 18543 transitions. [2022-10-15 22:11:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:27,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2022-10-15 22:11:27,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:27,673 INFO L225 Difference]: With dead ends: 12180 [2022-10-15 22:11:27,673 INFO L226 Difference]: Without dead ends: 12178 [2022-10-15 22:11:27,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:27,679 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 789 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:27,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1096 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:27,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12178 states. [2022-10-15 22:11:28,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12178 to 11716. [2022-10-15 22:11:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11716 states, 11706 states have (on average 1.5252007517512387) internal successors, (17854), 11715 states have internal predecessors, (17854), 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) [2022-10-15 22:11:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11716 states to 11716 states and 17854 transitions. [2022-10-15 22:11:28,574 INFO L78 Accepts]: Start accepts. Automaton has 11716 states and 17854 transitions. Word has length 81 [2022-10-15 22:11:28,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:28,574 INFO L495 AbstractCegarLoop]: Abstraction has 11716 states and 17854 transitions. [2022-10-15 22:11:28,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-10-15 22:11:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 11716 states and 17854 transitions. [2022-10-15 22:11:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:11:28,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:28,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:28,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:11:28,578 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1677087570, now seen corresponding path program 1 times [2022-10-15 22:11:28,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:28,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125806123] [2022-10-15 22:11:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:28,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:28,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125806123] [2022-10-15 22:11:28,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125806123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:28,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:28,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:28,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074983225] [2022-10-15 22:11:28,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:28,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:28,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:28,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:28,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:28,712 INFO L87 Difference]: Start difference. First operand 11716 states and 17854 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-10-15 22:11:30,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:30,088 INFO L93 Difference]: Finished difference Result 14448 states and 22102 transitions. [2022-10-15 22:11:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:30,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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 82 [2022-10-15 22:11:30,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:30,118 INFO L225 Difference]: With dead ends: 14448 [2022-10-15 22:11:30,118 INFO L226 Difference]: Without dead ends: 14446 [2022-10-15 22:11:30,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:30,125 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 823 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:30,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 816 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:30,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2022-10-15 22:11:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 13828. [2022-10-15 22:11:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13828 states, 13818 states have (on average 1.524822695035461) internal successors, (21070), 13827 states have internal predecessors, (21070), 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) [2022-10-15 22:11:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13828 states to 13828 states and 21070 transitions. [2022-10-15 22:11:31,572 INFO L78 Accepts]: Start accepts. Automaton has 13828 states and 21070 transitions. Word has length 82 [2022-10-15 22:11:31,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:31,573 INFO L495 AbstractCegarLoop]: Abstraction has 13828 states and 21070 transitions. [2022-10-15 22:11:31,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-10-15 22:11:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 13828 states and 21070 transitions. [2022-10-15 22:11:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:11:31,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:31,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:31,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:11:31,577 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:31,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:31,577 INFO L85 PathProgramCache]: Analyzing trace with hash -869689564, now seen corresponding path program 1 times [2022-10-15 22:11:31,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:31,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886954286] [2022-10-15 22:11:31,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:31,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:31,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:31,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886954286] [2022-10-15 22:11:31,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886954286] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:31,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:31,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:31,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654866093] [2022-10-15 22:11:31,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:31,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:31,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:31,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:31,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:31,653 INFO L87 Difference]: Start difference. First operand 13828 states and 21070 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2022-10-15 22:11:33,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:33,724 INFO L93 Difference]: Finished difference Result 38744 states and 58929 transitions. [2022-10-15 22:11:33,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:33,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2022-10-15 22:11:33,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:33,767 INFO L225 Difference]: With dead ends: 38744 [2022-10-15 22:11:33,767 INFO L226 Difference]: Without dead ends: 25391 [2022-10-15 22:11:33,789 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 [2022-10-15 22:11:33,790 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 167 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:33,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 554 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25391 states. [2022-10-15 22:11:35,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25391 to 23790. [2022-10-15 22:11:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23790 states, 23780 states have (on average 1.5039108494533222) internal successors, (35763), 23789 states have internal predecessors, (35763), 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) [2022-10-15 22:11:35,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23790 states to 23790 states and 35763 transitions. [2022-10-15 22:11:35,511 INFO L78 Accepts]: Start accepts. Automaton has 23790 states and 35763 transitions. Word has length 82 [2022-10-15 22:11:35,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:35,512 INFO L495 AbstractCegarLoop]: Abstraction has 23790 states and 35763 transitions. [2022-10-15 22:11:35,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2022-10-15 22:11:35,512 INFO L276 IsEmpty]: Start isEmpty. Operand 23790 states and 35763 transitions. [2022-10-15 22:11:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:11:35,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:35,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:35,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:11:35,516 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1760233922, now seen corresponding path program 1 times [2022-10-15 22:11:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:35,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234295676] [2022-10-15 22:11:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:35,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:35,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234295676] [2022-10-15 22:11:35,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234295676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:35,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:35,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:35,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539097680] [2022-10-15 22:11:35,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:35,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:35,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:35,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:35,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:35,655 INFO L87 Difference]: Start difference. First operand 23790 states and 35763 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-10-15 22:11:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:38,733 INFO L93 Difference]: Finished difference Result 34361 states and 51855 transitions. [2022-10-15 22:11:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:38,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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 82 [2022-10-15 22:11:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:38,784 INFO L225 Difference]: With dead ends: 34361 [2022-10-15 22:11:38,784 INFO L226 Difference]: Without dead ends: 34359 [2022-10-15 22:11:38,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:11:38,792 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 812 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:38,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 812 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34359 states. [2022-10-15 22:11:40,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34359 to 26845. [2022-10-15 22:11:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26845 states, 26835 states have (on average 1.5073225265511458) internal successors, (40449), 26844 states have internal predecessors, (40449), 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) [2022-10-15 22:11:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26845 states to 26845 states and 40449 transitions. [2022-10-15 22:11:40,917 INFO L78 Accepts]: Start accepts. Automaton has 26845 states and 40449 transitions. Word has length 82 [2022-10-15 22:11:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:40,918 INFO L495 AbstractCegarLoop]: Abstraction has 26845 states and 40449 transitions. [2022-10-15 22:11:40,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-10-15 22:11:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 26845 states and 40449 transitions. [2022-10-15 22:11:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:11:40,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:40,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:40,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:11:40,922 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:40,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:40,923 INFO L85 PathProgramCache]: Analyzing trace with hash 450107409, now seen corresponding path program 1 times [2022-10-15 22:11:40,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:40,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253263271] [2022-10-15 22:11:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:41,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:41,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253263271] [2022-10-15 22:11:41,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253263271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:41,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:41,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:41,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959989309] [2022-10-15 22:11:41,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:41,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:41,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:41,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:41,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:41,068 INFO L87 Difference]: Start difference. First operand 26845 states and 40449 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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) [2022-10-15 22:11:43,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:43,733 INFO L93 Difference]: Finished difference Result 46919 states and 70892 transitions. [2022-10-15 22:11:43,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:11:43,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 83 [2022-10-15 22:11:43,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:43,778 INFO L225 Difference]: With dead ends: 46919 [2022-10-15 22:11:43,778 INFO L226 Difference]: Without dead ends: 30271 [2022-10-15 22:11:43,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:11:43,802 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 1187 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:43,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1250 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:43,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30271 states. [2022-10-15 22:11:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30271 to 29021. [2022-10-15 22:11:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29021 states, 29011 states have (on average 1.5012581434628245) internal successors, (43553), 29020 states have internal predecessors, (43553), 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) [2022-10-15 22:11:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29021 states to 29021 states and 43553 transitions. [2022-10-15 22:11:46,330 INFO L78 Accepts]: Start accepts. Automaton has 29021 states and 43553 transitions. Word has length 83 [2022-10-15 22:11:46,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:46,330 INFO L495 AbstractCegarLoop]: Abstraction has 29021 states and 43553 transitions. [2022-10-15 22:11:46,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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) [2022-10-15 22:11:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29021 states and 43553 transitions. [2022-10-15 22:11:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:11:46,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:46,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:46,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:11:46,334 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash 491918031, now seen corresponding path program 1 times [2022-10-15 22:11:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214904881] [2022-10-15 22:11:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:46,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:46,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214904881] [2022-10-15 22:11:46,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214904881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:46,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:46,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463611525] [2022-10-15 22:11:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:46,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:46,467 INFO L87 Difference]: Start difference. First operand 29021 states and 43553 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 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) [2022-10-15 22:11:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:49,524 INFO L93 Difference]: Finished difference Result 37226 states and 56139 transitions. [2022-10-15 22:11:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:49,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2022-10-15 22:11:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:49,593 INFO L225 Difference]: With dead ends: 37226 [2022-10-15 22:11:49,593 INFO L226 Difference]: Without dead ends: 37224 [2022-10-15 22:11:49,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:49,611 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 333 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:49,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1237 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37224 states. [2022-10-15 22:11:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37224 to 31684. [2022-10-15 22:11:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31684 states, 31674 states have (on average 1.5020837279787838) internal successors, (47577), 31683 states have internal predecessors, (47577), 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) [2022-10-15 22:11:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31684 states to 31684 states and 47577 transitions. [2022-10-15 22:11:52,724 INFO L78 Accepts]: Start accepts. Automaton has 31684 states and 47577 transitions. Word has length 83 [2022-10-15 22:11:52,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:52,724 INFO L495 AbstractCegarLoop]: Abstraction has 31684 states and 47577 transitions. [2022-10-15 22:11:52,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 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) [2022-10-15 22:11:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 31684 states and 47577 transitions. [2022-10-15 22:11:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:11:52,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:52,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:52,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:11:52,730 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:52,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:52,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1816143247, now seen corresponding path program 1 times [2022-10-15 22:11:52,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:52,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803964933] [2022-10-15 22:11:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:52,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:52,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:52,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803964933] [2022-10-15 22:11:52,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803964933] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:52,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:52,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:52,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715119103] [2022-10-15 22:11:52,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:52,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:52,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:52,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:52,870 INFO L87 Difference]: Start difference. First operand 31684 states and 47577 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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) [2022-10-15 22:11:56,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:56,330 INFO L93 Difference]: Finished difference Result 59058 states and 89049 transitions. [2022-10-15 22:11:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:11:56,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 83 [2022-10-15 22:11:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:56,390 INFO L225 Difference]: With dead ends: 59058 [2022-10-15 22:11:56,390 INFO L226 Difference]: Without dead ends: 36226 [2022-10-15 22:11:56,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:11:56,421 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 1301 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:56,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 1204 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:56,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36226 states. [2022-10-15 22:11:59,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36226 to 33788. [2022-10-15 22:11:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33788 states, 33778 states have (on average 1.497572384392208) internal successors, (50585), 33787 states have internal predecessors, (50585), 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) [2022-10-15 22:11:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33788 states to 33788 states and 50585 transitions. [2022-10-15 22:11:59,539 INFO L78 Accepts]: Start accepts. Automaton has 33788 states and 50585 transitions. Word has length 83 [2022-10-15 22:11:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:59,539 INFO L495 AbstractCegarLoop]: Abstraction has 33788 states and 50585 transitions. [2022-10-15 22:11:59,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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) [2022-10-15 22:11:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 33788 states and 50585 transitions. [2022-10-15 22:11:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:11:59,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:59,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:59,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:11:59,544 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 22:11:59,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:59,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1484897119, now seen corresponding path program 1 times [2022-10-15 22:11:59,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:59,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410316734] [2022-10-15 22:11:59,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:59,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:59,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410316734] [2022-10-15 22:11:59,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410316734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:59,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:59,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263544235] [2022-10-15 22:11:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:59,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:59,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:59,686 INFO L87 Difference]: Start difference. First operand 33788 states and 50585 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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)