/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.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:00:38,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:00:38,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:00:38,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:00:38,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:00:38,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:00:38,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:00:38,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:00:38,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:00:38,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:00:38,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:00:38,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:00:38,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:00:38,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:00:38,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:00:38,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:00:38,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:00:38,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:00:38,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:00:38,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:00:38,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:00:38,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:00:38,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:00:38,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:00:38,735 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:00:38,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:00:38,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:00:38,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:00:38,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:00:38,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:00:38,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:00:38,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:00:38,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:00:38,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:00:38,738 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:00:38,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:00:38,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:00:38,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:00:38,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:00:38,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:00:38,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:00:38,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:00:38,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:00:38,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:00:38,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:00:38,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:00:38,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:00:38,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:00:38,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:00:38,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:00:39,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:00:39,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:00:39,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:00:39,189 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:00:39,189 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:00:39,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 16:00:39,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc385b6a2/cd8b19b9e3bd493ab420f0b0ade2d170/FLAG882cfb30f [2022-10-16 16:00:39,931 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:00:39,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 16:00:39,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc385b6a2/cd8b19b9e3bd493ab420f0b0ade2d170/FLAG882cfb30f [2022-10-16 16:00:40,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc385b6a2/cd8b19b9e3bd493ab420f0b0ade2d170 [2022-10-16 16:00:40,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:00:40,192 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:00:40,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:00:40,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:00:40,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:00:40,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca9005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40, skipping insertion in model container [2022-10-16 16:00:40,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:00:40,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:00:40,580 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.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7469,7482] [2022-10-16 16:00:40,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:00:40,646 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:00:40,721 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.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7469,7482] [2022-10-16 16:00:40,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:00:40,815 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:00:40,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40 WrapperNode [2022-10-16 16:00:40,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:00:40,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:00:40,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:00:40,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:00:40,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,891 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 642 [2022-10-16 16:00:40,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:00:40,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:00:40,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:00:40,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:00:40,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:00:40,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:00:40,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:00:40,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:00:40,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (1/1) ... [2022-10-16 16:00:40,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:00:40,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:00:40,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:00:41,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:00:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:00:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:00:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:00:41,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:00:41,265 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:00:41,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:00:42,049 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:00:42,062 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:00:42,062 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:00:42,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:42 BoogieIcfgContainer [2022-10-16 16:00:42,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:00:42,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:00:42,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:00:42,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:00:42,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:00:40" (1/3) ... [2022-10-16 16:00:42,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb5e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:42, skipping insertion in model container [2022-10-16 16:00:42,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:40" (2/3) ... [2022-10-16 16:00:42,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb5e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:42, skipping insertion in model container [2022-10-16 16:00:42,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:42" (3/3) ... [2022-10-16 16:00:42,091 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 16:00:42,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:00:42,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 16:00:42,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:00:42,217 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;@45578327, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:00:42,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 16:00:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 191 states have (on average 1.7539267015706805) internal successors, (335), 223 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:00:42,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:42,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:00:42,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:42,238 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:00:42,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:42,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179308067] [2022-10-16 16:00:42,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:42,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179308067] [2022-10-16 16:00:42,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179308067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:42,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:42,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:00:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037714228] [2022-10-16 16:00:42,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:42,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:00:42,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:42,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:00:42,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:00:42,516 INFO L87 Difference]: Start difference. First operand has 224 states, 191 states have (on average 1.7539267015706805) internal successors, (335), 223 states have internal predecessors, (335), 0 states have call successors, (0), 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) [2022-10-16 16:00:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:42,556 INFO L93 Difference]: Finished difference Result 227 states and 337 transitions. [2022-10-16 16:00:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:00:42,563 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 [2022-10-16 16:00:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:42,577 INFO L225 Difference]: With dead ends: 227 [2022-10-16 16:00:42,577 INFO L226 Difference]: Without dead ends: 217 [2022-10-16 16:00:42,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:00:42,585 INFO L413 NwaCegarLoop]: 330 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, 330 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:42,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-10-16 16:00:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-10-16 16:00:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 189 states have (on average 1.529100529100529) internal successors, (289), 216 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions. [2022-10-16 16:00:42,672 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 4 [2022-10-16 16:00:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:42,673 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 289 transitions. [2022-10-16 16:00:42,673 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) [2022-10-16 16:00:42,673 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions. [2022-10-16 16:00:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:00:42,678 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:42,678 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] [2022-10-16 16:00:42,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:00:42,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1540703941, now seen corresponding path program 1 times [2022-10-16 16:00:42,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:42,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979190008] [2022-10-16 16:00:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:43,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:43,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979190008] [2022-10-16 16:00:43,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979190008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:43,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:43,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:43,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090190198] [2022-10-16 16:00:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:43,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:43,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:43,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:43,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:43,057 INFO L87 Difference]: Start difference. First operand 217 states and 289 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:43,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:43,333 INFO L93 Difference]: Finished difference Result 482 states and 665 transitions. [2022-10-16 16:00:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:43,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-16 16:00:43,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:43,338 INFO L225 Difference]: With dead ends: 482 [2022-10-16 16:00:43,339 INFO L226 Difference]: Without dead ends: 478 [2022-10-16 16:00:43,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:43,341 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 693 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:43,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 589 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:00:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-10-16 16:00:43,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 333. [2022-10-16 16:00:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 306 states have (on average 1.5620915032679739) internal successors, (478), 332 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 478 transitions. [2022-10-16 16:00:43,402 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 478 transitions. Word has length 38 [2022-10-16 16:00:43,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:43,403 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 478 transitions. [2022-10-16 16:00:43,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 478 transitions. [2022-10-16 16:00:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:00:43,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:43,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:43,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:00:43,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:43,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash 517182070, now seen corresponding path program 1 times [2022-10-16 16:00:43,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:43,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788256353] [2022-10-16 16:00:43,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:43,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:43,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:43,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788256353] [2022-10-16 16:00:43,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788256353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:43,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:43,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:43,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575883445] [2022-10-16 16:00:43,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:43,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:43,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:43,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:43,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:43,576 INFO L87 Difference]: Start difference. First operand 333 states and 478 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:43,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:43,709 INFO L93 Difference]: Finished difference Result 461 states and 661 transitions. [2022-10-16 16:00:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:43,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-16 16:00:43,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:43,714 INFO L225 Difference]: With dead ends: 461 [2022-10-16 16:00:43,714 INFO L226 Difference]: Without dead ends: 457 [2022-10-16 16:00:43,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:43,716 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 700 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:43,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 426 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-10-16 16:00:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 443. [2022-10-16 16:00:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 417 states have (on average 1.5683453237410072) internal successors, (654), 442 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 654 transitions. [2022-10-16 16:00:43,754 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 654 transitions. Word has length 39 [2022-10-16 16:00:43,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:43,755 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 654 transitions. [2022-10-16 16:00:43,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 654 transitions. [2022-10-16 16:00:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:00:43,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:43,757 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] [2022-10-16 16:00:43,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:00:43,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1147224857, now seen corresponding path program 1 times [2022-10-16 16:00:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:43,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70118199] [2022-10-16 16:00:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:43,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:43,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70118199] [2022-10-16 16:00:43,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70118199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:43,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:43,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:43,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707382852] [2022-10-16 16:00:43,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:43,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:43,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:43,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:43,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:43,951 INFO L87 Difference]: Start difference. First operand 443 states and 654 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:44,191 INFO L93 Difference]: Finished difference Result 933 states and 1361 transitions. [2022-10-16 16:00:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:00:44,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-16 16:00:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:44,196 INFO L225 Difference]: With dead ends: 933 [2022-10-16 16:00:44,196 INFO L226 Difference]: Without dead ends: 697 [2022-10-16 16:00:44,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:00:44,200 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 1167 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:44,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 801 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:00:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2022-10-16 16:00:44,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 547. [2022-10-16 16:00:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 522 states have (on average 1.5593869731800767) internal successors, (814), 546 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 814 transitions. [2022-10-16 16:00:44,241 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 814 transitions. Word has length 40 [2022-10-16 16:00:44,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:44,242 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 814 transitions. [2022-10-16 16:00:44,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 814 transitions. [2022-10-16 16:00:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:00:44,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:44,244 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] [2022-10-16 16:00:44,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:00:44,244 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:44,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:44,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1204232040, now seen corresponding path program 1 times [2022-10-16 16:00:44,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:44,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541076625] [2022-10-16 16:00:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:44,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:44,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:44,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541076625] [2022-10-16 16:00:44,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541076625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:44,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:44,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873413425] [2022-10-16 16:00:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:44,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:44,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:44,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:44,397 INFO L87 Difference]: Start difference. First operand 547 states and 814 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:44,640 INFO L93 Difference]: Finished difference Result 760 states and 1106 transitions. [2022-10-16 16:00:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:00:44,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 16:00:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:44,645 INFO L225 Difference]: With dead ends: 760 [2022-10-16 16:00:44,646 INFO L226 Difference]: Without dead ends: 756 [2022-10-16 16:00:44,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:00:44,648 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 1525 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:44,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 599 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:44,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-10-16 16:00:44,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 725. [2022-10-16 16:00:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 701 states have (on average 1.5606276747503567) internal successors, (1094), 724 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1094 transitions. [2022-10-16 16:00:44,702 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1094 transitions. Word has length 41 [2022-10-16 16:00:44,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:44,703 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 1094 transitions. [2022-10-16 16:00:44,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1094 transitions. [2022-10-16 16:00:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:00:44,705 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:44,705 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] [2022-10-16 16:00:44,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:00:44,705 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:44,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:44,706 INFO L85 PathProgramCache]: Analyzing trace with hash 963836253, now seen corresponding path program 1 times [2022-10-16 16:00:44,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:44,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953667219] [2022-10-16 16:00:44,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:44,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:44,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:44,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953667219] [2022-10-16 16:00:44,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953667219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:44,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:44,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:44,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197506621] [2022-10-16 16:00:44,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:44,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:44,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:44,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:44,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:44,792 INFO L87 Difference]: Start difference. First operand 725 states and 1094 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:44,855 INFO L93 Difference]: Finished difference Result 725 states and 1094 transitions. [2022-10-16 16:00:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:44,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-16 16:00:44,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:44,861 INFO L225 Difference]: With dead ends: 725 [2022-10-16 16:00:44,861 INFO L226 Difference]: Without dead ends: 723 [2022-10-16 16:00:44,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:44,863 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 31 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:44,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 494 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:44,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-10-16 16:00:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2022-10-16 16:00:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 701 states have (on average 1.557774607703281) internal successors, (1092), 722 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1092 transitions. [2022-10-16 16:00:44,919 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1092 transitions. Word has length 45 [2022-10-16 16:00:44,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:44,920 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 1092 transitions. [2022-10-16 16:00:44,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1092 transitions. [2022-10-16 16:00:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:00:44,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:44,922 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] [2022-10-16 16:00:44,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:00:44,922 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:44,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:44,923 INFO L85 PathProgramCache]: Analyzing trace with hash -356595102, now seen corresponding path program 1 times [2022-10-16 16:00:44,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:44,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050066215] [2022-10-16 16:00:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:44,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:45,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:45,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050066215] [2022-10-16 16:00:45,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050066215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:45,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:45,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:45,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091169589] [2022-10-16 16:00:45,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:45,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:45,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:45,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:45,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,008 INFO L87 Difference]: Start difference. First operand 723 states and 1092 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:45,076 INFO L93 Difference]: Finished difference Result 723 states and 1092 transitions. [2022-10-16 16:00:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:45,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 16:00:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:45,082 INFO L225 Difference]: With dead ends: 723 [2022-10-16 16:00:45,082 INFO L226 Difference]: Without dead ends: 720 [2022-10-16 16:00:45,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,084 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 229 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:45,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 266 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:45,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-10-16 16:00:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2022-10-16 16:00:45,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 701 states have (on average 1.5406562054208275) internal successors, (1080), 719 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1080 transitions. [2022-10-16 16:00:45,155 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1080 transitions. Word has length 49 [2022-10-16 16:00:45,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:45,156 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 1080 transitions. [2022-10-16 16:00:45,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1080 transitions. [2022-10-16 16:00:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:00:45,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:45,158 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] [2022-10-16 16:00:45,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:00:45,158 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:45,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:45,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1830453910, now seen corresponding path program 1 times [2022-10-16 16:00:45,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:45,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023113456] [2022-10-16 16:00:45,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:45,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:45,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023113456] [2022-10-16 16:00:45,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023113456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:45,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:45,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535597506] [2022-10-16 16:00:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:45,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,245 INFO L87 Difference]: Start difference. First operand 720 states and 1080 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 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) [2022-10-16 16:00:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:45,319 INFO L93 Difference]: Finished difference Result 720 states and 1080 transitions. [2022-10-16 16:00:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:45,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 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 [2022-10-16 16:00:45,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:45,324 INFO L225 Difference]: With dead ends: 720 [2022-10-16 16:00:45,324 INFO L226 Difference]: Without dead ends: 717 [2022-10-16 16:00:45,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,326 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 225 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:45,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 266 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-10-16 16:00:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2022-10-16 16:00:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 701 states have (on average 1.5235378031383737) internal successors, (1068), 716 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1068 transitions. [2022-10-16 16:00:45,389 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1068 transitions. Word has length 50 [2022-10-16 16:00:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:45,390 INFO L495 AbstractCegarLoop]: Abstraction has 717 states and 1068 transitions. [2022-10-16 16:00:45,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 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) [2022-10-16 16:00:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1068 transitions. [2022-10-16 16:00:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:00:45,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:45,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:45,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:00:45,392 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:45,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:45,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1643702002, now seen corresponding path program 1 times [2022-10-16 16:00:45,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:45,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960792064] [2022-10-16 16:00:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:45,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:45,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960792064] [2022-10-16 16:00:45,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960792064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:45,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:45,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:45,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574878133] [2022-10-16 16:00:45,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:45,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:45,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:45,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:45,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,496 INFO L87 Difference]: Start difference. First operand 717 states and 1068 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:45,676 INFO L93 Difference]: Finished difference Result 1889 states and 2831 transitions. [2022-10-16 16:00:45,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:45,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 16:00:45,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:45,683 INFO L225 Difference]: With dead ends: 1889 [2022-10-16 16:00:45,684 INFO L226 Difference]: Without dead ends: 1252 [2022-10-16 16:00:45,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,686 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 191 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 526 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 [2022-10-16 16:00:45,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 526 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:45,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-10-16 16:00:45,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1236. [2022-10-16 16:00:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 1220 states have (on average 1.5155737704918033) internal successors, (1849), 1235 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1849 transitions. [2022-10-16 16:00:45,809 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1849 transitions. Word has length 62 [2022-10-16 16:00:45,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:45,809 INFO L495 AbstractCegarLoop]: Abstraction has 1236 states and 1849 transitions. [2022-10-16 16:00:45,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1849 transitions. [2022-10-16 16:00:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:00:45,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:45,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:45,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:00:45,811 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:45,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:45,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1841615375, now seen corresponding path program 1 times [2022-10-16 16:00:45,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:45,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604196245] [2022-10-16 16:00:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:45,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:45,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604196245] [2022-10-16 16:00:45,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604196245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:45,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:45,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:45,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029047671] [2022-10-16 16:00:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:45,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:45,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:45,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:45,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:45,888 INFO L87 Difference]: Start difference. First operand 1236 states and 1849 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:46,186 INFO L93 Difference]: Finished difference Result 3297 states and 4934 transitions. [2022-10-16 16:00:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 16:00:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:46,200 INFO L225 Difference]: With dead ends: 3297 [2022-10-16 16:00:46,201 INFO L226 Difference]: Without dead ends: 2157 [2022-10-16 16:00:46,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:46,204 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 191 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:46,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 512 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states. [2022-10-16 16:00:46,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 2142. [2022-10-16 16:00:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2142 states, 2126 states have (on average 1.4877704609595483) internal successors, (3163), 2141 states have internal predecessors, (3163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 3163 transitions. [2022-10-16 16:00:46,462 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 3163 transitions. Word has length 62 [2022-10-16 16:00:46,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:46,462 INFO L495 AbstractCegarLoop]: Abstraction has 2142 states and 3163 transitions. [2022-10-16 16:00:46,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 3163 transitions. [2022-10-16 16:00:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:00:46,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:46,464 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] [2022-10-16 16:00:46,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:00:46,465 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:46,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:46,466 INFO L85 PathProgramCache]: Analyzing trace with hash 718991505, now seen corresponding path program 1 times [2022-10-16 16:00:46,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:46,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358735975] [2022-10-16 16:00:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:46,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:46,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358735975] [2022-10-16 16:00:46,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358735975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:46,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:46,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:46,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007599160] [2022-10-16 16:00:46,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:46,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:46,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:46,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:46,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:46,586 INFO L87 Difference]: Start difference. First operand 2142 states and 3163 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:46,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:46,987 INFO L93 Difference]: Finished difference Result 2740 states and 4050 transitions. [2022-10-16 16:00:46,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:46,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 16:00:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:47,003 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 16:00:47,003 INFO L226 Difference]: Without dead ends: 2737 [2022-10-16 16:00:47,004 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 [2022-10-16 16:00:47,006 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 373 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:47,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 794 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:47,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-10-16 16:00:47,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2417. [2022-10-16 16:00:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2401 states have (on average 1.4918783840066638) internal successors, (3582), 2416 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 3582 transitions. [2022-10-16 16:00:47,334 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 3582 transitions. Word has length 63 [2022-10-16 16:00:47,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:47,334 INFO L495 AbstractCegarLoop]: Abstraction has 2417 states and 3582 transitions. [2022-10-16 16:00:47,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 3582 transitions. [2022-10-16 16:00:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:00:47,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:47,342 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] [2022-10-16 16:00:47,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:00:47,343 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:47,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1903663999, now seen corresponding path program 1 times [2022-10-16 16:00:47,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:47,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282853017] [2022-10-16 16:00:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:47,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:47,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:47,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282853017] [2022-10-16 16:00:47,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282853017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:47,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:47,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:47,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948208295] [2022-10-16 16:00:47,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:47,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:47,474 INFO L87 Difference]: Start difference. First operand 2417 states and 3582 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:47,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:47,914 INFO L93 Difference]: Finished difference Result 3248 states and 4824 transitions. [2022-10-16 16:00:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:47,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 16:00:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:47,931 INFO L225 Difference]: With dead ends: 3248 [2022-10-16 16:00:47,931 INFO L226 Difference]: Without dead ends: 3245 [2022-10-16 16:00:47,932 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 [2022-10-16 16:00:47,933 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 393 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:47,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 789 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2022-10-16 16:00:48,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3076. [2022-10-16 16:00:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 3060 states have (on average 1.4993464052287582) internal successors, (4588), 3075 states have internal predecessors, (4588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4588 transitions. [2022-10-16 16:00:48,246 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4588 transitions. Word has length 63 [2022-10-16 16:00:48,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:48,247 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4588 transitions. [2022-10-16 16:00:48,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4588 transitions. [2022-10-16 16:00:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:00:48,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:48,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:48,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:00:48,249 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:48,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:48,250 INFO L85 PathProgramCache]: Analyzing trace with hash 272068403, now seen corresponding path program 1 times [2022-10-16 16:00:48,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:48,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430315603] [2022-10-16 16:00:48,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:48,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:48,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:48,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430315603] [2022-10-16 16:00:48,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430315603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:48,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:48,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:48,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248890894] [2022-10-16 16:00:48,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:48,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:48,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:48,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:48,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:48,335 INFO L87 Difference]: Start difference. First operand 3076 states and 4588 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:48,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:48,926 INFO L93 Difference]: Finished difference Result 8308 states and 12391 transitions. [2022-10-16 16:00:48,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:48,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:00:48,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:48,954 INFO L225 Difference]: With dead ends: 8308 [2022-10-16 16:00:48,955 INFO L226 Difference]: Without dead ends: 5460 [2022-10-16 16:00:48,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:48,963 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 178 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 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 [2022-10-16 16:00:48,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 558 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:48,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5460 states. [2022-10-16 16:00:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5460 to 5444. [2022-10-16 16:00:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5444 states, 5428 states have (on average 1.4769712601326455) internal successors, (8017), 5443 states have internal predecessors, (8017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 5444 states and 8017 transitions. [2022-10-16 16:00:49,602 INFO L78 Accepts]: Start accepts. Automaton has 5444 states and 8017 transitions. Word has length 64 [2022-10-16 16:00:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:49,602 INFO L495 AbstractCegarLoop]: Abstraction has 5444 states and 8017 transitions. [2022-10-16 16:00:49,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 5444 states and 8017 transitions. [2022-10-16 16:00:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:00:49,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:49,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:49,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:00:49,605 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:49,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1115958402, now seen corresponding path program 1 times [2022-10-16 16:00:49,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:49,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677678594] [2022-10-16 16:00:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:49,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:49,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:49,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677678594] [2022-10-16 16:00:49,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677678594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:49,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:49,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:00:49,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38734371] [2022-10-16 16:00:49,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:49,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:00:49,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:49,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:00:49,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:00:49,756 INFO L87 Difference]: Start difference. First operand 5444 states and 8017 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:50,362 INFO L93 Difference]: Finished difference Result 5454 states and 8017 transitions. [2022-10-16 16:00:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:00:50,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:00:50,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:50,391 INFO L225 Difference]: With dead ends: 5454 [2022-10-16 16:00:50,391 INFO L226 Difference]: Without dead ends: 5451 [2022-10-16 16:00:50,394 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 [2022-10-16 16:00:50,394 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 404 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:50,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 623 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:50,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5451 states. [2022-10-16 16:00:50,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5451 to 4814. [2022-10-16 16:00:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4814 states, 4801 states have (on average 1.4636534055405124) internal successors, (7027), 4813 states have internal predecessors, (7027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4814 states and 7027 transitions. [2022-10-16 16:00:50,959 INFO L78 Accepts]: Start accepts. Automaton has 4814 states and 7027 transitions. Word has length 64 [2022-10-16 16:00:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:50,959 INFO L495 AbstractCegarLoop]: Abstraction has 4814 states and 7027 transitions. [2022-10-16 16:00:50,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 7027 transitions. [2022-10-16 16:00:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:00:50,961 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:50,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:50,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:00:50,962 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:50,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash -934364511, now seen corresponding path program 1 times [2022-10-16 16:00:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:50,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051857102] [2022-10-16 16:00:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:50,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:51,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:51,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051857102] [2022-10-16 16:00:51,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051857102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:51,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:51,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509213433] [2022-10-16 16:00:51,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:51,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:51,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:51,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:51,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:51,101 INFO L87 Difference]: Start difference. First operand 4814 states and 7027 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:51,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:51,808 INFO L93 Difference]: Finished difference Result 8550 states and 12557 transitions. [2022-10-16 16:00:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:51,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:00:51,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:51,822 INFO L225 Difference]: With dead ends: 8550 [2022-10-16 16:00:51,823 INFO L226 Difference]: Without dead ends: 5254 [2022-10-16 16:00:51,829 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 [2022-10-16 16:00:51,830 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 727 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:51,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1005 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2022-10-16 16:00:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 5124. [2022-10-16 16:00:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5124 states, 5111 states have (on average 1.4554881627861476) internal successors, (7439), 5123 states have internal predecessors, (7439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 7439 transitions. [2022-10-16 16:00:52,409 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 7439 transitions. Word has length 65 [2022-10-16 16:00:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:52,410 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 7439 transitions. [2022-10-16 16:00:52,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 7439 transitions. [2022-10-16 16:00:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:00:52,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:52,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:52,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:00:52,413 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:52,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:52,414 INFO L85 PathProgramCache]: Analyzing trace with hash -538891085, now seen corresponding path program 1 times [2022-10-16 16:00:52,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:52,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626208897] [2022-10-16 16:00:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:52,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:52,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626208897] [2022-10-16 16:00:52,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626208897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:52,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:52,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:52,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042166845] [2022-10-16 16:00:52,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:52,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:52,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:52,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:52,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:52,554 INFO L87 Difference]: Start difference. First operand 5124 states and 7439 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:53,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:53,363 INFO L93 Difference]: Finished difference Result 8489 states and 12421 transitions. [2022-10-16 16:00:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:53,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:00:53,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:53,384 INFO L225 Difference]: With dead ends: 8489 [2022-10-16 16:00:53,384 INFO L226 Difference]: Without dead ends: 6176 [2022-10-16 16:00:53,390 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 [2022-10-16 16:00:53,391 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 724 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:53,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 1161 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:53,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2022-10-16 16:00:53,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5988. [2022-10-16 16:00:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 5975 states have (on average 1.4507112970711298) internal successors, (8668), 5987 states have internal predecessors, (8668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8668 transitions. [2022-10-16 16:00:54,014 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8668 transitions. Word has length 65 [2022-10-16 16:00:54,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:54,015 INFO L495 AbstractCegarLoop]: Abstraction has 5988 states and 8668 transitions. [2022-10-16 16:00:54,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8668 transitions. [2022-10-16 16:00:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:00:54,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:54,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:00:54,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:00:54,018 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:54,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash 234972323, now seen corresponding path program 1 times [2022-10-16 16:00:54,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:54,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41499917] [2022-10-16 16:00:54,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:54,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:54,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41499917] [2022-10-16 16:00:54,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41499917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:54,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:54,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:54,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854268741] [2022-10-16 16:00:54,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:54,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:54,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:54,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:54,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:54,136 INFO L87 Difference]: Start difference. First operand 5988 states and 8668 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:54,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:54,921 INFO L93 Difference]: Finished difference Result 9478 states and 13825 transitions. [2022-10-16 16:00:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:54,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:00:54,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:54,940 INFO L225 Difference]: With dead ends: 9478 [2022-10-16 16:00:54,940 INFO L226 Difference]: Without dead ends: 7165 [2022-10-16 16:00:54,946 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 [2022-10-16 16:00:54,947 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 741 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:54,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 1049 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2022-10-16 16:00:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 6864. [2022-10-16 16:00:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6864 states, 6851 states have (on average 1.4479638009049773) internal successors, (9920), 6863 states have internal predecessors, (9920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6864 states to 6864 states and 9920 transitions. [2022-10-16 16:00:55,569 INFO L78 Accepts]: Start accepts. Automaton has 6864 states and 9920 transitions. Word has length 65 [2022-10-16 16:00:55,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:55,569 INFO L495 AbstractCegarLoop]: Abstraction has 6864 states and 9920 transitions. [2022-10-16 16:00:55,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6864 states and 9920 transitions. [2022-10-16 16:00:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:00:55,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:55,571 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] [2022-10-16 16:00:55,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:00:55,572 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:55,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:55,572 INFO L85 PathProgramCache]: Analyzing trace with hash 805024952, now seen corresponding path program 1 times [2022-10-16 16:00:55,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:55,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946150101] [2022-10-16 16:00:55,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:55,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:55,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946150101] [2022-10-16 16:00:55,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946150101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:55,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:55,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:00:55,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723606559] [2022-10-16 16:00:55,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:55,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:00:55,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:55,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:00:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:55,637 INFO L87 Difference]: Start difference. First operand 6864 states and 9920 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:56,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:56,172 INFO L93 Difference]: Finished difference Result 6864 states and 9920 transitions. [2022-10-16 16:00:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:00:56,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 16:00:56,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:56,194 INFO L225 Difference]: With dead ends: 6864 [2022-10-16 16:00:56,194 INFO L226 Difference]: Without dead ends: 6862 [2022-10-16 16:00:56,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:00:56,198 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 224 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:56,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 280 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:00:56,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2022-10-16 16:00:56,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 6862. [2022-10-16 16:00:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 6851 states have (on average 1.4295723252079988) internal successors, (9794), 6861 states have internal predecessors, (9794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 9794 transitions. [2022-10-16 16:00:56,774 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 9794 transitions. Word has length 66 [2022-10-16 16:00:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:56,774 INFO L495 AbstractCegarLoop]: Abstraction has 6862 states and 9794 transitions. [2022-10-16 16:00:56,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 9794 transitions. [2022-10-16 16:00:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:00:56,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:56,776 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] [2022-10-16 16:00:56,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:00:56,777 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 474245780, now seen corresponding path program 1 times [2022-10-16 16:00:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:56,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221357364] [2022-10-16 16:00:56,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:56,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:56,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221357364] [2022-10-16 16:00:56,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221357364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:56,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:56,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724929947] [2022-10-16 16:00:56,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:56,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:56,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:56,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:56,892 INFO L87 Difference]: Start difference. First operand 6862 states and 9794 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:57,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:57,775 INFO L93 Difference]: Finished difference Result 10159 states and 14622 transitions. [2022-10-16 16:00:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:57,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 16:00:57,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:57,801 INFO L225 Difference]: With dead ends: 10159 [2022-10-16 16:00:57,801 INFO L226 Difference]: Without dead ends: 10156 [2022-10-16 16:00:57,806 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 [2022-10-16 16:00:57,807 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 858 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:57,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 751 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:00:57,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10156 states. [2022-10-16 16:00:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10156 to 7101. [2022-10-16 16:00:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7101 states, 7090 states have (on average 1.435966149506347) internal successors, (10181), 7100 states have internal predecessors, (10181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7101 states to 7101 states and 10181 transitions. [2022-10-16 16:00:58,706 INFO L78 Accepts]: Start accepts. Automaton has 7101 states and 10181 transitions. Word has length 66 [2022-10-16 16:00:58,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:00:58,706 INFO L495 AbstractCegarLoop]: Abstraction has 7101 states and 10181 transitions. [2022-10-16 16:00:58,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 7101 states and 10181 transitions. [2022-10-16 16:00:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:00:58,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:00:58,708 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] [2022-10-16 16:00:58,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:00:58,709 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:00:58,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:00:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1305792348, now seen corresponding path program 1 times [2022-10-16 16:00:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:00:58,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455763475] [2022-10-16 16:00:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:00:58,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:00:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:00:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:00:58,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:00:58,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455763475] [2022-10-16 16:00:58,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455763475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:00:58,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:00:58,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:00:58,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850791804] [2022-10-16 16:00:58,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:00:58,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:00:58,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:00:58,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:00:58,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:00:58,828 INFO L87 Difference]: Start difference. First operand 7101 states and 10181 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:00:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:00:59,790 INFO L93 Difference]: Finished difference Result 9938 states and 14342 transitions. [2022-10-16 16:00:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:00:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 16:00:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:00:59,811 INFO L225 Difference]: With dead ends: 9938 [2022-10-16 16:00:59,811 INFO L226 Difference]: Without dead ends: 9935 [2022-10-16 16:00:59,815 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 [2022-10-16 16:00:59,816 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 806 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:00:59,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 769 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:00:59,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9935 states. [2022-10-16 16:01:00,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9935 to 6591. [2022-10-16 16:01:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6591 states, 6580 states have (on average 1.4378419452887539) internal successors, (9461), 6590 states have internal predecessors, (9461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6591 states to 6591 states and 9461 transitions. [2022-10-16 16:01:00,591 INFO L78 Accepts]: Start accepts. Automaton has 6591 states and 9461 transitions. Word has length 66 [2022-10-16 16:01:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:00,592 INFO L495 AbstractCegarLoop]: Abstraction has 6591 states and 9461 transitions. [2022-10-16 16:01:00,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6591 states and 9461 transitions. [2022-10-16 16:01:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:01:00,594 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:00,594 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] [2022-10-16 16:01:00,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:01:00,594 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:00,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash -814030018, now seen corresponding path program 1 times [2022-10-16 16:01:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:00,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288034626] [2022-10-16 16:01:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:00,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:00,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288034626] [2022-10-16 16:01:00,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288034626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:00,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:00,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:00,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569229854] [2022-10-16 16:01:00,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:00,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:00,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:00,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:00,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:00,703 INFO L87 Difference]: Start difference. First operand 6591 states and 9461 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:01,305 INFO L93 Difference]: Finished difference Result 6591 states and 9461 transitions. [2022-10-16 16:01:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:01,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 16:01:01,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:01,320 INFO L225 Difference]: With dead ends: 6591 [2022-10-16 16:01:01,320 INFO L226 Difference]: Without dead ends: 5814 [2022-10-16 16:01:01,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:01,325 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 202 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:01,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 531 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:01,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2022-10-16 16:01:02,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5814. [2022-10-16 16:01:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 5805 states have (on average 1.4268733850129198) internal successors, (8283), 5813 states have internal predecessors, (8283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 8283 transitions. [2022-10-16 16:01:02,080 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 8283 transitions. Word has length 67 [2022-10-16 16:01:02,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:02,081 INFO L495 AbstractCegarLoop]: Abstraction has 5814 states and 8283 transitions. [2022-10-16 16:01:02,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 8283 transitions. [2022-10-16 16:01:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:01:02,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:02,082 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] [2022-10-16 16:01:02,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:01:02,083 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:02,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:02,084 INFO L85 PathProgramCache]: Analyzing trace with hash 579335492, now seen corresponding path program 1 times [2022-10-16 16:01:02,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:02,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911370882] [2022-10-16 16:01:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:02,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:02,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:02,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911370882] [2022-10-16 16:01:02,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911370882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:02,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:02,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:02,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767416532] [2022-10-16 16:01:02,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:02,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:02,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:02,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:02,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:02,188 INFO L87 Difference]: Start difference. First operand 5814 states and 8283 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:03,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:03,008 INFO L93 Difference]: Finished difference Result 8021 states and 11522 transitions. [2022-10-16 16:01:03,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:03,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 16:01:03,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:03,018 INFO L225 Difference]: With dead ends: 8021 [2022-10-16 16:01:03,018 INFO L226 Difference]: Without dead ends: 8018 [2022-10-16 16:01:03,019 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 [2022-10-16 16:01:03,020 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 334 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:03,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1153 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:03,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2022-10-16 16:01:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 6989. [2022-10-16 16:01:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6989 states, 6981 states have (on average 1.4304540896719669) internal successors, (9986), 6988 states have internal predecessors, (9986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6989 states to 6989 states and 9986 transitions. [2022-10-16 16:01:03,587 INFO L78 Accepts]: Start accepts. Automaton has 6989 states and 9986 transitions. Word has length 67 [2022-10-16 16:01:03,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:03,588 INFO L495 AbstractCegarLoop]: Abstraction has 6989 states and 9986 transitions. [2022-10-16 16:01:03,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:03,588 INFO L276 IsEmpty]: Start isEmpty. Operand 6989 states and 9986 transitions. [2022-10-16 16:01:03,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:01:03,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:03,589 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] [2022-10-16 16:01:03,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:01:03,590 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:03,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:03,590 INFO L85 PathProgramCache]: Analyzing trace with hash 55292036, now seen corresponding path program 1 times [2022-10-16 16:01:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:03,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21056985] [2022-10-16 16:01:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:03,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:03,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:03,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21056985] [2022-10-16 16:01:03,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21056985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:03,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:03,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:03,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347406717] [2022-10-16 16:01:03,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:03,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:03,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:03,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:03,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:03,711 INFO L87 Difference]: Start difference. First operand 6989 states and 9986 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:04,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:04,644 INFO L93 Difference]: Finished difference Result 7747 states and 11048 transitions. [2022-10-16 16:01:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:04,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 16:01:04,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:04,654 INFO L225 Difference]: With dead ends: 7747 [2022-10-16 16:01:04,654 INFO L226 Difference]: Without dead ends: 7345 [2022-10-16 16:01:04,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:04,657 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 538 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:04,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1205 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:04,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7345 states. [2022-10-16 16:01:05,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7345 to 7230. [2022-10-16 16:01:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7230 states, 7222 states have (on average 1.4264746607587926) internal successors, (10302), 7229 states have internal predecessors, (10302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7230 states to 7230 states and 10302 transitions. [2022-10-16 16:01:05,228 INFO L78 Accepts]: Start accepts. Automaton has 7230 states and 10302 transitions. Word has length 69 [2022-10-16 16:01:05,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:05,228 INFO L495 AbstractCegarLoop]: Abstraction has 7230 states and 10302 transitions. [2022-10-16 16:01:05,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 7230 states and 10302 transitions. [2022-10-16 16:01:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:01:05,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:05,230 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] [2022-10-16 16:01:05,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:01:05,231 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:05,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:05,231 INFO L85 PathProgramCache]: Analyzing trace with hash -390011626, now seen corresponding path program 1 times [2022-10-16 16:01:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:05,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40830069] [2022-10-16 16:01:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:05,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:05,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40830069] [2022-10-16 16:01:05,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40830069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:05,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:05,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:05,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146715901] [2022-10-16 16:01:05,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:05,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:05,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:05,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:05,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:05,351 INFO L87 Difference]: Start difference. First operand 7230 states and 10302 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:06,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:06,452 INFO L93 Difference]: Finished difference Result 8427 states and 12003 transitions. [2022-10-16 16:01:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:06,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 16:01:06,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:06,465 INFO L225 Difference]: With dead ends: 8427 [2022-10-16 16:01:06,465 INFO L226 Difference]: Without dead ends: 8003 [2022-10-16 16:01:06,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:06,469 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 507 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:06,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1294 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8003 states. [2022-10-16 16:01:07,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8003 to 7716. [2022-10-16 16:01:07,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7716 states, 7708 states have (on average 1.4246237675142708) internal successors, (10981), 7715 states have internal predecessors, (10981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7716 states to 7716 states and 10981 transitions. [2022-10-16 16:01:07,205 INFO L78 Accepts]: Start accepts. Automaton has 7716 states and 10981 transitions. Word has length 69 [2022-10-16 16:01:07,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:07,205 INFO L495 AbstractCegarLoop]: Abstraction has 7716 states and 10981 transitions. [2022-10-16 16:01:07,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7716 states and 10981 transitions. [2022-10-16 16:01:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:01:07,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:07,207 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] [2022-10-16 16:01:07,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:01:07,207 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:07,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1604333402, now seen corresponding path program 1 times [2022-10-16 16:01:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:07,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181704680] [2022-10-16 16:01:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:07,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:07,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181704680] [2022-10-16 16:01:07,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181704680] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:07,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:07,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:07,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967183390] [2022-10-16 16:01:07,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:07,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:07,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:07,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:07,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:07,329 INFO L87 Difference]: Start difference. First operand 7716 states and 10981 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:08,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:08,450 INFO L93 Difference]: Finished difference Result 10031 states and 14349 transitions. [2022-10-16 16:01:08,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:08,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 16:01:08,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:08,462 INFO L225 Difference]: With dead ends: 10031 [2022-10-16 16:01:08,462 INFO L226 Difference]: Without dead ends: 9972 [2022-10-16 16:01:08,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:08,472 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 624 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:08,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 988 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9972 states. [2022-10-16 16:01:09,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9972 to 9508. [2022-10-16 16:01:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9508 states, 9500 states have (on average 1.426421052631579) internal successors, (13551), 9507 states have internal predecessors, (13551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9508 states to 9508 states and 13551 transitions. [2022-10-16 16:01:09,302 INFO L78 Accepts]: Start accepts. Automaton has 9508 states and 13551 transitions. Word has length 69 [2022-10-16 16:01:09,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:09,302 INFO L495 AbstractCegarLoop]: Abstraction has 9508 states and 13551 transitions. [2022-10-16 16:01:09,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 9508 states and 13551 transitions. [2022-10-16 16:01:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:01:09,304 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:09,304 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] [2022-10-16 16:01:09,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:01:09,304 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:09,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:09,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1805272321, now seen corresponding path program 1 times [2022-10-16 16:01:09,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:09,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12500642] [2022-10-16 16:01:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:09,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:09,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12500642] [2022-10-16 16:01:09,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12500642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:09,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:09,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:09,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726842580] [2022-10-16 16:01:09,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:09,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:09,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:09,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:09,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:09,432 INFO L87 Difference]: Start difference. First operand 9508 states and 13551 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:10,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:10,587 INFO L93 Difference]: Finished difference Result 12191 states and 17374 transitions. [2022-10-16 16:01:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:10,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 16:01:10,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:10,596 INFO L225 Difference]: With dead ends: 12191 [2022-10-16 16:01:10,596 INFO L226 Difference]: Without dead ends: 7876 [2022-10-16 16:01:10,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:10,604 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 480 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:10,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1041 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:10,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2022-10-16 16:01:11,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 5701. [2022-10-16 16:01:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5701 states, 5694 states have (on average 1.409905163329821) internal successors, (8028), 5700 states have internal predecessors, (8028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 8028 transitions. [2022-10-16 16:01:11,288 INFO L78 Accepts]: Start accepts. Automaton has 5701 states and 8028 transitions. Word has length 70 [2022-10-16 16:01:11,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:11,288 INFO L495 AbstractCegarLoop]: Abstraction has 5701 states and 8028 transitions. [2022-10-16 16:01:11,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 8028 transitions. [2022-10-16 16:01:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:01:11,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:11,290 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] [2022-10-16 16:01:11,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:01:11,290 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:11,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:11,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1867304945, now seen corresponding path program 1 times [2022-10-16 16:01:11,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:11,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046302431] [2022-10-16 16:01:11,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:11,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:11,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:11,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046302431] [2022-10-16 16:01:11,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046302431] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:11,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:11,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:11,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823792416] [2022-10-16 16:01:11,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:11,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:11,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:11,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:11,412 INFO L87 Difference]: Start difference. First operand 5701 states and 8028 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:12,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:12,296 INFO L93 Difference]: Finished difference Result 6230 states and 8759 transitions. [2022-10-16 16:01:12,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:12,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 16:01:12,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:12,301 INFO L225 Difference]: With dead ends: 6230 [2022-10-16 16:01:12,301 INFO L226 Difference]: Without dead ends: 5590 [2022-10-16 16:01:12,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:12,303 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 379 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:12,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1668 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2022-10-16 16:01:12,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5474. [2022-10-16 16:01:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5474 states, 5468 states have (on average 1.4102048280907096) internal successors, (7711), 5473 states have internal predecessors, (7711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:12,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5474 states to 5474 states and 7711 transitions. [2022-10-16 16:01:12,892 INFO L78 Accepts]: Start accepts. Automaton has 5474 states and 7711 transitions. Word has length 73 [2022-10-16 16:01:12,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:12,892 INFO L495 AbstractCegarLoop]: Abstraction has 5474 states and 7711 transitions. [2022-10-16 16:01:12,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 5474 states and 7711 transitions. [2022-10-16 16:01:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:01:12,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:12,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:12,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:01:12,897 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:12,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1675412527, now seen corresponding path program 1 times [2022-10-16 16:01:12,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:12,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861054268] [2022-10-16 16:01:12,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:13,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:13,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861054268] [2022-10-16 16:01:13,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861054268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:13,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:13,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:13,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775304044] [2022-10-16 16:01:13,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:13,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:13,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:13,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:13,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:13,013 INFO L87 Difference]: Start difference. First operand 5474 states and 7711 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:14,117 INFO L93 Difference]: Finished difference Result 6003 states and 8438 transitions. [2022-10-16 16:01:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:14,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-16 16:01:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:14,123 INFO L225 Difference]: With dead ends: 6003 [2022-10-16 16:01:14,123 INFO L226 Difference]: Without dead ends: 6001 [2022-10-16 16:01:14,124 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 [2022-10-16 16:01:14,124 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 236 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:14,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1041 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:14,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2022-10-16 16:01:14,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5187. [2022-10-16 16:01:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5187 states, 5183 states have (on average 1.3966814586147018) internal successors, (7239), 5186 states have internal predecessors, (7239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 5187 states and 7239 transitions. [2022-10-16 16:01:14,620 INFO L78 Accepts]: Start accepts. Automaton has 5187 states and 7239 transitions. Word has length 92 [2022-10-16 16:01:14,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:14,620 INFO L495 AbstractCegarLoop]: Abstraction has 5187 states and 7239 transitions. [2022-10-16 16:01:14,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 7239 transitions. [2022-10-16 16:01:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:01:14,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:14,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:14,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:01:14,624 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:14,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1215039890, now seen corresponding path program 1 times [2022-10-16 16:01:14,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:14,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109711035] [2022-10-16 16:01:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:14,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:14,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:14,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109711035] [2022-10-16 16:01:14,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109711035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:14,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:14,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:14,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230582918] [2022-10-16 16:01:14,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:14,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:14,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:14,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:14,761 INFO L87 Difference]: Start difference. First operand 5187 states and 7239 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:15,662 INFO L93 Difference]: Finished difference Result 5591 states and 7794 transitions. [2022-10-16 16:01:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:15,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:01:15,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:15,668 INFO L225 Difference]: With dead ends: 5591 [2022-10-16 16:01:15,668 INFO L226 Difference]: Without dead ends: 5094 [2022-10-16 16:01:15,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:15,670 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 423 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:15,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1013 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5094 states. [2022-10-16 16:01:16,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5094 to 4630. [2022-10-16 16:01:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4630 states, 4626 states have (on average 1.3975356679636834) internal successors, (6465), 4629 states have internal predecessors, (6465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4630 states and 6465 transitions. [2022-10-16 16:01:16,137 INFO L78 Accepts]: Start accepts. Automaton has 4630 states and 6465 transitions. Word has length 93 [2022-10-16 16:01:16,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:16,137 INFO L495 AbstractCegarLoop]: Abstraction has 4630 states and 6465 transitions. [2022-10-16 16:01:16,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 6465 transitions. [2022-10-16 16:01:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:01:16,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:16,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:16,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:01:16,142 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:16,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:16,142 INFO L85 PathProgramCache]: Analyzing trace with hash 2076907455, now seen corresponding path program 1 times [2022-10-16 16:01:16,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:16,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612593379] [2022-10-16 16:01:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:16,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:16,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:16,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612593379] [2022-10-16 16:01:16,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612593379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:16,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:16,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819878712] [2022-10-16 16:01:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:16,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:16,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:16,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:16,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:16,279 INFO L87 Difference]: Start difference. First operand 4630 states and 6465 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:17,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:17,026 INFO L93 Difference]: Finished difference Result 5094 states and 7107 transitions. [2022-10-16 16:01:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:01:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:17,032 INFO L225 Difference]: With dead ends: 5094 [2022-10-16 16:01:17,032 INFO L226 Difference]: Without dead ends: 4599 [2022-10-16 16:01:17,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:17,034 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 457 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:17,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 1118 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4599 states. [2022-10-16 16:01:17,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4599 to 4131. [2022-10-16 16:01:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4131 states, 4127 states have (on average 1.4005330748727889) internal successors, (5780), 4130 states have internal predecessors, (5780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 4131 states and 5780 transitions. [2022-10-16 16:01:17,443 INFO L78 Accepts]: Start accepts. Automaton has 4131 states and 5780 transitions. Word has length 94 [2022-10-16 16:01:17,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:17,444 INFO L495 AbstractCegarLoop]: Abstraction has 4131 states and 5780 transitions. [2022-10-16 16:01:17,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4131 states and 5780 transitions. [2022-10-16 16:01:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:01:17,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:17,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:17,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:01:17,447 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -541287727, now seen corresponding path program 1 times [2022-10-16 16:01:17,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:17,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121453515] [2022-10-16 16:01:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:17,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:17,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:17,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121453515] [2022-10-16 16:01:17,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121453515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:17,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:17,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:17,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228026496] [2022-10-16 16:01:17,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:17,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:17,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:17,591 INFO L87 Difference]: Start difference. First operand 4131 states and 5780 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:18,209 INFO L93 Difference]: Finished difference Result 4591 states and 6428 transitions. [2022-10-16 16:01:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:18,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:01:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:18,214 INFO L225 Difference]: With dead ends: 4591 [2022-10-16 16:01:18,214 INFO L226 Difference]: Without dead ends: 4476 [2022-10-16 16:01:18,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:18,216 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 402 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:18,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1135 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2022-10-16 16:01:18,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 4474. [2022-10-16 16:01:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4474 states, 4470 states have (on average 1.394407158836689) internal successors, (6233), 4473 states have internal predecessors, (6233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4474 states and 6233 transitions. [2022-10-16 16:01:18,679 INFO L78 Accepts]: Start accepts. Automaton has 4474 states and 6233 transitions. Word has length 94 [2022-10-16 16:01:18,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:18,679 INFO L495 AbstractCegarLoop]: Abstraction has 4474 states and 6233 transitions. [2022-10-16 16:01:18,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 6233 transitions. [2022-10-16 16:01:18,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:01:18,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:18,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:18,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:01:18,682 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:18,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:18,683 INFO L85 PathProgramCache]: Analyzing trace with hash 399949958, now seen corresponding path program 1 times [2022-10-16 16:01:18,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:18,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933350154] [2022-10-16 16:01:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:18,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:18,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933350154] [2022-10-16 16:01:18,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933350154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:18,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:18,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:18,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15036676] [2022-10-16 16:01:18,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:18,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:18,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:18,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:18,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:18,857 INFO L87 Difference]: Start difference. First operand 4474 states and 6233 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:19,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:19,393 INFO L93 Difference]: Finished difference Result 6731 states and 9416 transitions. [2022-10-16 16:01:19,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:19,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:01:19,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:19,398 INFO L225 Difference]: With dead ends: 6731 [2022-10-16 16:01:19,398 INFO L226 Difference]: Without dead ends: 3461 [2022-10-16 16:01:19,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:19,402 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 428 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:19,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 931 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:19,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2022-10-16 16:01:19,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 1969. [2022-10-16 16:01:19,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.358739837398374) internal successors, (2674), 1968 states have internal predecessors, (2674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2674 transitions. [2022-10-16 16:01:19,645 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2674 transitions. Word has length 95 [2022-10-16 16:01:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:19,645 INFO L495 AbstractCegarLoop]: Abstraction has 1969 states and 2674 transitions. [2022-10-16 16:01:19,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2674 transitions. [2022-10-16 16:01:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:01:19,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:19,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:19,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:01:19,648 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:19,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:19,649 INFO L85 PathProgramCache]: Analyzing trace with hash 79093751, now seen corresponding path program 1 times [2022-10-16 16:01:19,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:19,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982940812] [2022-10-16 16:01:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:19,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:19,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982940812] [2022-10-16 16:01:19,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982940812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:19,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:19,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:19,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902247065] [2022-10-16 16:01:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:19,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:19,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:19,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:19,722 INFO L87 Difference]: Start difference. First operand 1969 states and 2674 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:19,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:19,978 INFO L93 Difference]: Finished difference Result 1970 states and 2674 transitions. [2022-10-16 16:01:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:19,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 16:01:19,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:19,981 INFO L225 Difference]: With dead ends: 1970 [2022-10-16 16:01:19,981 INFO L226 Difference]: Without dead ends: 1370 [2022-10-16 16:01:19,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:19,983 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 140 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:19,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 236 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2022-10-16 16:01:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2022-10-16 16:01:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 1369 states have (on average 1.3403944485025565) internal successors, (1835), 1369 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1835 transitions. [2022-10-16 16:01:20,206 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1835 transitions. Word has length 97 [2022-10-16 16:01:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:20,206 INFO L495 AbstractCegarLoop]: Abstraction has 1370 states and 1835 transitions. [2022-10-16 16:01:20,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1835 transitions. [2022-10-16 16:01:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:01:20,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:20,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:20,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:01:20,209 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:20,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:20,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1260591659, now seen corresponding path program 1 times [2022-10-16 16:01:20,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:20,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260291612] [2022-10-16 16:01:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:20,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:20,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260291612] [2022-10-16 16:01:20,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260291612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:20,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:20,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:20,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720025191] [2022-10-16 16:01:20,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:20,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:20,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:20,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:20,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:20,337 INFO L87 Difference]: Start difference. First operand 1370 states and 1835 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:20,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:20,913 INFO L93 Difference]: Finished difference Result 2012 states and 2717 transitions. [2022-10-16 16:01:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:20,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 16:01:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:20,916 INFO L225 Difference]: With dead ends: 2012 [2022-10-16 16:01:20,916 INFO L226 Difference]: Without dead ends: 1684 [2022-10-16 16:01:20,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:20,918 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 289 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:20,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1268 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:20,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2022-10-16 16:01:21,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1528. [2022-10-16 16:01:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.3418467583497053) internal successors, (2049), 1527 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2049 transitions. [2022-10-16 16:01:21,204 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2049 transitions. Word has length 98 [2022-10-16 16:01:21,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:21,205 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 2049 transitions. [2022-10-16 16:01:21,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2049 transitions. [2022-10-16 16:01:21,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:01:21,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:21,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:21,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:01:21,207 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:21,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:21,208 INFO L85 PathProgramCache]: Analyzing trace with hash -322348986, now seen corresponding path program 1 times [2022-10-16 16:01:21,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:21,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935465620] [2022-10-16 16:01:21,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:21,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:21,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:21,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935465620] [2022-10-16 16:01:21,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935465620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:21,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:21,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:21,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765148236] [2022-10-16 16:01:21,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:21,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:21,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:21,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:21,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:21,338 INFO L87 Difference]: Start difference. First operand 1528 states and 2049 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:21,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:21,812 INFO L93 Difference]: Finished difference Result 2440 states and 3304 transitions. [2022-10-16 16:01:21,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:21,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 16:01:21,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:21,814 INFO L225 Difference]: With dead ends: 2440 [2022-10-16 16:01:21,814 INFO L226 Difference]: Without dead ends: 1866 [2022-10-16 16:01:21,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:21,816 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 339 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:21,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 1066 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:21,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2022-10-16 16:01:22,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1865. [2022-10-16 16:01:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1864 states have (on average 1.3438841201716738) internal successors, (2505), 1864 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2505 transitions. [2022-10-16 16:01:22,080 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2505 transitions. Word has length 98 [2022-10-16 16:01:22,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:22,081 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 2505 transitions. [2022-10-16 16:01:22,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2505 transitions. [2022-10-16 16:01:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:01:22,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:22,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:22,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:01:22,084 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:22,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:22,084 INFO L85 PathProgramCache]: Analyzing trace with hash -623180249, now seen corresponding path program 1 times [2022-10-16 16:01:22,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:22,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672965303] [2022-10-16 16:01:22,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:22,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:22,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672965303] [2022-10-16 16:01:22,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672965303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:22,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:22,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813424291] [2022-10-16 16:01:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:22,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:22,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:22,216 INFO L87 Difference]: Start difference. First operand 1865 states and 2505 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:22,592 INFO L93 Difference]: Finished difference Result 1970 states and 2644 transitions. [2022-10-16 16:01:22,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:22,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 16:01:22,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:22,594 INFO L225 Difference]: With dead ends: 1970 [2022-10-16 16:01:22,594 INFO L226 Difference]: Without dead ends: 1295 [2022-10-16 16:01:22,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:22,595 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 285 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:22,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 883 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-10-16 16:01:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1086. [2022-10-16 16:01:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1085 states have (on average 1.3317972350230414) internal successors, (1445), 1085 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1445 transitions. [2022-10-16 16:01:22,731 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1445 transitions. Word has length 98 [2022-10-16 16:01:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:22,732 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1445 transitions. [2022-10-16 16:01:22,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1445 transitions. [2022-10-16 16:01:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:01:22,733 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:22,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:22,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:01:22,733 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:22,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash -493705810, now seen corresponding path program 1 times [2022-10-16 16:01:22,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:22,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269413335] [2022-10-16 16:01:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:22,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:22,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:22,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269413335] [2022-10-16 16:01:22,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269413335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:22,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:22,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:22,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229053667] [2022-10-16 16:01:22,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:22,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:22,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:22,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:22,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:22,863 INFO L87 Difference]: Start difference. First operand 1086 states and 1445 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:23,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:23,200 INFO L93 Difference]: Finished difference Result 1295 states and 1729 transitions. [2022-10-16 16:01:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:23,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 16:01:23,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:23,202 INFO L225 Difference]: With dead ends: 1295 [2022-10-16 16:01:23,202 INFO L226 Difference]: Without dead ends: 741 [2022-10-16 16:01:23,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:23,204 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 355 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:23,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1138 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:23,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-10-16 16:01:23,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2022-10-16 16:01:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 740 states have (on average 1.3216216216216217) internal successors, (978), 740 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 978 transitions. [2022-10-16 16:01:23,347 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 978 transitions. Word has length 98 [2022-10-16 16:01:23,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:23,349 INFO L495 AbstractCegarLoop]: Abstraction has 741 states and 978 transitions. [2022-10-16 16:01:23,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:23,349 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 978 transitions. [2022-10-16 16:01:23,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:01:23,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:23,351 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:23,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:01:23,351 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:23,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:23,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1066759133, now seen corresponding path program 1 times [2022-10-16 16:01:23,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:23,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878014270] [2022-10-16 16:01:23,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:23,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:23,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:23,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878014270] [2022-10-16 16:01:23,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878014270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:23,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:23,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:01:23,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670187638] [2022-10-16 16:01:23,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:23,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:23,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:23,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:23,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:23,473 INFO L87 Difference]: Start difference. First operand 741 states and 978 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:23,936 INFO L93 Difference]: Finished difference Result 2617 states and 3443 transitions. [2022-10-16 16:01:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:01:23,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 16:01:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:23,939 INFO L225 Difference]: With dead ends: 2617 [2022-10-16 16:01:23,939 INFO L226 Difference]: Without dead ends: 2000 [2022-10-16 16:01:23,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:01:23,940 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 592 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:23,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 463 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2022-10-16 16:01:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 964. [2022-10-16 16:01:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 963 states have (on average 1.268951194184839) internal successors, (1222), 963 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1222 transitions. [2022-10-16 16:01:24,085 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1222 transitions. Word has length 124 [2022-10-16 16:01:24,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:24,085 INFO L495 AbstractCegarLoop]: Abstraction has 964 states and 1222 transitions. [2022-10-16 16:01:24,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1222 transitions. [2022-10-16 16:01:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:01:24,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:24,087 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:24,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:01:24,087 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:01:24,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:24,087 INFO L85 PathProgramCache]: Analyzing trace with hash -309473113, now seen corresponding path program 1 times [2022-10-16 16:01:24,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:24,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548489453] [2022-10-16 16:01:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:24,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:24,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548489453] [2022-10-16 16:01:24,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548489453] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:24,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:24,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:24,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032890234] [2022-10-16 16:01:24,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:24,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:24,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:24,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:24,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:24,244 INFO L87 Difference]: Start difference. First operand 964 states and 1222 transitions. Second operand has 5 states, 4 states have (on average 31.75) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:24,516 INFO L93 Difference]: Finished difference Result 964 states and 1222 transitions. [2022-10-16 16:01:24,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:24,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.75) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 16:01:24,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:24,518 INFO L225 Difference]: With dead ends: 964 [2022-10-16 16:01:24,518 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:01:24,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:24,519 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 249 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:24,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1075 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:01:24,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:01:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:01:24,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2022-10-16 16:01:24,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:24,521 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:01:24,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.75) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:01:24,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:01:24,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2022-10-16 16:01:24,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2022-10-16 16:01:24,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2022-10-16 16:01:24,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2022-10-16 16:01:24,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2022-10-16 16:01:24,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2022-10-16 16:01:24,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2022-10-16 16:01:24,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2022-10-16 16:01:24,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2022-10-16 16:01:24,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2022-10-16 16:01:24,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2022-10-16 16:01:24,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2022-10-16 16:01:24,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2022-10-16 16:01:24,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2022-10-16 16:01:24,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2022-10-16 16:01:24,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2022-10-16 16:01:24,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2022-10-16 16:01:24,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2022-10-16 16:01:24,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2022-10-16 16:01:24,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2022-10-16 16:01:24,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2022-10-16 16:01:24,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2022-10-16 16:01:24,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2022-10-16 16:01:24,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2022-10-16 16:01:24,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2022-10-16 16:01:24,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:01:24,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 16:01:39,455 WARN L233 SmtUtils]: Spent 14.91s on a formula simplification. DAG size of input: 402 DAG size of output: 401 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)