/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/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:11:02,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:11:02,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:11:03,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:11:03,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:11:03,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:11:03,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:11:03,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:11:03,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:11:03,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:11:03,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:11:03,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:11:03,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:11:03,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:11:03,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:11:03,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:11:03,136 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:11:03,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:11:03,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:11:03,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:11:03,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:11:03,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:11:03,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:11:03,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:11:03,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:11:03,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:11:03,139 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:11:03,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:11:03,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:11:03,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:11:03,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:11:03,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:11:03,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:11:03,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:11:03,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:11:03,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:11:03,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:11:03,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:11:03,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:11:03,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:11:03,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:11:03,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:11:03,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:11:03,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:11:03,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:11:03,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:11:03,534 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:11:03,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:11:03,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53644017a/f4babb7675d94f1294ece280af1ac0e4/FLAG4e3f5a3be [2022-10-16 15:11:04,221 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:11:04,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:11:04,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53644017a/f4babb7675d94f1294ece280af1ac0e4/FLAG4e3f5a3be [2022-10-16 15:11:04,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53644017a/f4babb7675d94f1294ece280af1ac0e4 [2022-10-16 15:11:04,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:11:04,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:11:04,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:11:04,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:11:04,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:11:04,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:04" (1/1) ... [2022-10-16 15:11:04,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e78b34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:04, skipping insertion in model container [2022-10-16 15:11:04,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:04" (1/1) ... [2022-10-16 15:11:04,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:11:04,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:11:04,948 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/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2022-10-16 15:11:04,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:11:04,959 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:11:05,037 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/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2022-10-16 15:11:05,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:11:05,063 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:11:05,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05 WrapperNode [2022-10-16 15:11:05,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:11:05,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:11:05,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:11:05,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:11:05,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,128 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 339 [2022-10-16 15:11:05,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:11:05,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:11:05,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:11:05,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:11:05,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:11:05,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:11:05,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:11:05,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:11:05,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (1/1) ... [2022-10-16 15:11:05,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:11:05,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:11:05,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:11:05,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:11:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:11:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:11:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:11:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:11:05,382 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:11:05,385 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:11:06,038 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:11:06,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:11:06,058 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:11:06,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:06 BoogieIcfgContainer [2022-10-16 15:11:06,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:11:06,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:11:06,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:11:06,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:11:06,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:11:04" (1/3) ... [2022-10-16 15:11:06,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652d97c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:11:06, skipping insertion in model container [2022-10-16 15:11:06,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:05" (2/3) ... [2022-10-16 15:11:06,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652d97c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:11:06, skipping insertion in model container [2022-10-16 15:11:06,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:06" (3/3) ... [2022-10-16 15:11:06,076 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:11:06,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:11:06,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 15:11:06,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:11:06,206 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;@36a5d467, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:11:06,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 15:11:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 119 states have (on average 1.7394957983193278) internal successors, (207), 139 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:11:06,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:06,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:11:06,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:06,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:06,233 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:11:06,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:06,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141457496] [2022-10-16 15:11:06,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:06,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:06,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:06,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141457496] [2022-10-16 15:11:06,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141457496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:06,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:06,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:11:06,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805822271] [2022-10-16 15:11:06,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:06,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:11:06,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:11:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:11:06,474 INFO L87 Difference]: Start difference. First operand has 140 states, 119 states have (on average 1.7394957983193278) internal successors, (207), 139 states have internal predecessors, (207), 0 states have call successors, (0), 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 15:11:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:06,508 INFO L93 Difference]: Finished difference Result 233 states and 345 transitions. [2022-10-16 15:11:06,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:11:06,511 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 15:11:06,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:06,523 INFO L225 Difference]: With dead ends: 233 [2022-10-16 15:11:06,523 INFO L226 Difference]: Without dead ends: 127 [2022-10-16 15:11:06,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:11:06,532 INFO L413 NwaCegarLoop]: 192 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, 192 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:06,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-10-16 15:11:06,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-10-16 15:11:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 115 states have (on average 1.6608695652173913) internal successors, (191), 126 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 191 transitions. [2022-10-16 15:11:06,583 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 191 transitions. Word has length 4 [2022-10-16 15:11:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:06,584 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 191 transitions. [2022-10-16 15:11:06,584 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 15:11:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 191 transitions. [2022-10-16 15:11:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 15:11:06,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:06,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:06,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:11:06,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:06,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:06,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1516401039, now seen corresponding path program 1 times [2022-10-16 15:11:06,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:06,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195129645] [2022-10-16 15:11:06,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:06,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:06,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:06,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195129645] [2022-10-16 15:11:06,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195129645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:06,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:06,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345788403] [2022-10-16 15:11:06,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:06,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:06,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:06,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:06,875 INFO L87 Difference]: Start difference. First operand 127 states and 191 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:06,979 INFO L93 Difference]: Finished difference Result 222 states and 326 transitions. [2022-10-16 15:11:06,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:06,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-10-16 15:11:06,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:06,987 INFO L225 Difference]: With dead ends: 222 [2022-10-16 15:11:06,987 INFO L226 Difference]: Without dead ends: 127 [2022-10-16 15:11:06,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:11:06,993 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 3 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:06,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 729 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:06,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-10-16 15:11:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-10-16 15:11:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 115 states have (on average 1.4521739130434783) internal successors, (167), 126 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 167 transitions. [2022-10-16 15:11:07,014 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 167 transitions. Word has length 26 [2022-10-16 15:11:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:07,014 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 167 transitions. [2022-10-16 15:11:07,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 167 transitions. [2022-10-16 15:11:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:11:07,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:07,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:07,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:11:07,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:07,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:07,026 INFO L85 PathProgramCache]: Analyzing trace with hash -57276354, now seen corresponding path program 1 times [2022-10-16 15:11:07,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:07,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841394842] [2022-10-16 15:11:07,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:07,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:07,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841394842] [2022-10-16 15:11:07,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841394842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:07,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:07,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65094166] [2022-10-16 15:11:07,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:07,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:07,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:07,229 INFO L87 Difference]: Start difference. First operand 127 states and 167 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:07,265 INFO L93 Difference]: Finished difference Result 297 states and 409 transitions. [2022-10-16 15:11:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:07,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 15:11:07,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:07,268 INFO L225 Difference]: With dead ends: 297 [2022-10-16 15:11:07,268 INFO L226 Difference]: Without dead ends: 206 [2022-10-16 15:11:07,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:07,274 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 114 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:07,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 379 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-10-16 15:11:07,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 194. [2022-10-16 15:11:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 182 states have (on average 1.521978021978022) internal successors, (277), 193 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 277 transitions. [2022-10-16 15:11:07,317 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 277 transitions. Word has length 55 [2022-10-16 15:11:07,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:07,319 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 277 transitions. [2022-10-16 15:11:07,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 277 transitions. [2022-10-16 15:11:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 15:11:07,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:07,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:07,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:11:07,325 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:07,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1618524544, now seen corresponding path program 1 times [2022-10-16 15:11:07,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:07,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270854341] [2022-10-16 15:11:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:07,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:07,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:07,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270854341] [2022-10-16 15:11:07,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270854341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:07,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:07,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:07,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234306479] [2022-10-16 15:11:07,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:07,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:07,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:07,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:07,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:07,570 INFO L87 Difference]: Start difference. First operand 194 states and 277 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:07,610 INFO L93 Difference]: Finished difference Result 486 states and 719 transitions. [2022-10-16 15:11:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:07,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 15:11:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:07,614 INFO L225 Difference]: With dead ends: 486 [2022-10-16 15:11:07,614 INFO L226 Difference]: Without dead ends: 328 [2022-10-16 15:11:07,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:07,617 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 109 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:07,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 370 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-16 15:11:07,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2022-10-16 15:11:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 304 states have (on average 1.5657894736842106) internal successors, (476), 315 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 476 transitions. [2022-10-16 15:11:07,664 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 476 transitions. Word has length 56 [2022-10-16 15:11:07,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:07,665 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 476 transitions. [2022-10-16 15:11:07,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 476 transitions. [2022-10-16 15:11:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:11:07,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:07,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:07,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:11:07,669 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:07,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:07,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1291053326, now seen corresponding path program 1 times [2022-10-16 15:11:07,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:07,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070901015] [2022-10-16 15:11:07,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:07,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:07,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070901015] [2022-10-16 15:11:07,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070901015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:07,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:07,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507949580] [2022-10-16 15:11:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:07,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:07,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:07,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:07,810 INFO L87 Difference]: Start difference. First operand 316 states and 476 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:07,851 INFO L93 Difference]: Finished difference Result 828 states and 1276 transitions. [2022-10-16 15:11:07,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:07,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 15:11:07,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:07,856 INFO L225 Difference]: With dead ends: 828 [2022-10-16 15:11:07,856 INFO L226 Difference]: Without dead ends: 548 [2022-10-16 15:11:07,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:07,860 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 104 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:07,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 361 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-10-16 15:11:07,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 536. [2022-10-16 15:11:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 524 states have (on average 1.5877862595419847) internal successors, (832), 535 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 832 transitions. [2022-10-16 15:11:07,895 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 832 transitions. Word has length 57 [2022-10-16 15:11:07,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:07,896 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 832 transitions. [2022-10-16 15:11:07,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,896 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 832 transitions. [2022-10-16 15:11:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:11:07,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:07,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:07,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:11:07,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:07,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:07,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2127853776, now seen corresponding path program 1 times [2022-10-16 15:11:07,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:07,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126011829] [2022-10-16 15:11:07,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:07,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:08,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:08,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126011829] [2022-10-16 15:11:08,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126011829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:08,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:08,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319570676] [2022-10-16 15:11:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:08,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:08,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:08,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:08,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:08,012 INFO L87 Difference]: Start difference. First operand 536 states and 832 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:08,196 INFO L93 Difference]: Finished difference Result 1534 states and 2424 transitions. [2022-10-16 15:11:08,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:08,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:11:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:08,206 INFO L225 Difference]: With dead ends: 1534 [2022-10-16 15:11:08,206 INFO L226 Difference]: Without dead ends: 1532 [2022-10-16 15:11:08,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:08,209 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 385 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:08,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 445 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:08,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-10-16 15:11:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1024. [2022-10-16 15:11:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 1012 states have (on average 1.592885375494071) internal successors, (1612), 1023 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1612 transitions. [2022-10-16 15:11:08,265 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1612 transitions. Word has length 58 [2022-10-16 15:11:08,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:08,265 INFO L495 AbstractCegarLoop]: Abstraction has 1024 states and 1612 transitions. [2022-10-16 15:11:08,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1612 transitions. [2022-10-16 15:11:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:11:08,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:08,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:08,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:11:08,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:08,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:08,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1538958069, now seen corresponding path program 1 times [2022-10-16 15:11:08,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:08,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283200163] [2022-10-16 15:11:08,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:08,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:08,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:08,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283200163] [2022-10-16 15:11:08,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283200163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:08,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:08,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:08,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354688886] [2022-10-16 15:11:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:08,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:08,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:08,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:08,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:08,374 INFO L87 Difference]: Start difference. First operand 1024 states and 1612 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:08,517 INFO L93 Difference]: Finished difference Result 1522 states and 2408 transitions. [2022-10-16 15:11:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:08,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:11:08,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:08,530 INFO L225 Difference]: With dead ends: 1522 [2022-10-16 15:11:08,531 INFO L226 Difference]: Without dead ends: 1520 [2022-10-16 15:11:08,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:08,535 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 380 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:08,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 261 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-10-16 15:11:08,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1512. [2022-10-16 15:11:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1500 states have (on average 1.584) internal successors, (2376), 1511 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2376 transitions. [2022-10-16 15:11:08,616 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2376 transitions. Word has length 59 [2022-10-16 15:11:08,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:08,617 INFO L495 AbstractCegarLoop]: Abstraction has 1512 states and 2376 transitions. [2022-10-16 15:11:08,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2376 transitions. [2022-10-16 15:11:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:11:08,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:08,619 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] [2022-10-16 15:11:08,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:11:08,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:08,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:08,620 INFO L85 PathProgramCache]: Analyzing trace with hash 463060338, now seen corresponding path program 1 times [2022-10-16 15:11:08,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:08,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334426912] [2022-10-16 15:11:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:08,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:08,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:08,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334426912] [2022-10-16 15:11:08,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334426912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:08,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:08,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:08,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613857863] [2022-10-16 15:11:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:08,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:08,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:08,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:08,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:08,795 INFO L87 Difference]: Start difference. First operand 1512 states and 2376 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:09,070 INFO L93 Difference]: Finished difference Result 2512 states and 3920 transitions. [2022-10-16 15:11:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:11:09,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:11:09,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:09,085 INFO L225 Difference]: With dead ends: 2512 [2022-10-16 15:11:09,085 INFO L226 Difference]: Without dead ends: 2510 [2022-10-16 15:11:09,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:11:09,088 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 646 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:09,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 736 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:09,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-10-16 15:11:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2000. [2022-10-16 15:11:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1988 states have (on average 1.5714285714285714) internal successors, (3124), 1999 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 3124 transitions. [2022-10-16 15:11:09,226 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 3124 transitions. Word has length 60 [2022-10-16 15:11:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:09,227 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 3124 transitions. [2022-10-16 15:11:09,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 3124 transitions. [2022-10-16 15:11:09,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:11:09,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:09,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:09,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:11:09,229 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:09,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:09,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1469969047, now seen corresponding path program 1 times [2022-10-16 15:11:09,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:09,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844513116] [2022-10-16 15:11:09,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:09,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:09,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:09,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844513116] [2022-10-16 15:11:09,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844513116] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:09,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:09,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:09,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649666475] [2022-10-16 15:11:09,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:09,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:09,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:09,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:09,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:09,325 INFO L87 Difference]: Start difference. First operand 2000 states and 3124 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:09,565 INFO L93 Difference]: Finished difference Result 2504 states and 3904 transitions. [2022-10-16 15:11:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:11:09,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:11:09,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:09,579 INFO L225 Difference]: With dead ends: 2504 [2022-10-16 15:11:09,579 INFO L226 Difference]: Without dead ends: 2502 [2022-10-16 15:11:09,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:11:09,581 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 655 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:09,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 456 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:09,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2022-10-16 15:11:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2488. [2022-10-16 15:11:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2476 states have (on average 1.55735056542811) internal successors, (3856), 2487 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3856 transitions. [2022-10-16 15:11:09,738 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3856 transitions. Word has length 61 [2022-10-16 15:11:09,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:09,738 INFO L495 AbstractCegarLoop]: Abstraction has 2488 states and 3856 transitions. [2022-10-16 15:11:09,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3856 transitions. [2022-10-16 15:11:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:11:09,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:09,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:09,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:11:09,740 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:09,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1675599340, now seen corresponding path program 1 times [2022-10-16 15:11:09,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:09,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873307231] [2022-10-16 15:11:09,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:09,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:09,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:09,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873307231] [2022-10-16 15:11:09,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873307231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:09,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:09,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:09,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805387446] [2022-10-16 15:11:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:09,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:11:09,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:11:09,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:11:09,843 INFO L87 Difference]: Start difference. First operand 2488 states and 3856 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:10,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:10,329 INFO L93 Difference]: Finished difference Result 6424 states and 9952 transitions. [2022-10-16 15:11:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:11:10,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:11:10,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:10,351 INFO L225 Difference]: With dead ends: 6424 [2022-10-16 15:11:10,351 INFO L226 Difference]: Without dead ends: 3972 [2022-10-16 15:11:10,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:11:10,359 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 881 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:10,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1121 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2022-10-16 15:11:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 2976. [2022-10-16 15:11:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2964 states have (on average 1.5371120107962213) internal successors, (4556), 2975 states have internal predecessors, (4556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 4556 transitions. [2022-10-16 15:11:10,589 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 4556 transitions. Word has length 62 [2022-10-16 15:11:10,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:10,589 INFO L495 AbstractCegarLoop]: Abstraction has 2976 states and 4556 transitions. [2022-10-16 15:11:10,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 4556 transitions. [2022-10-16 15:11:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:11:10,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:10,591 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 15:11:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:11:10,592 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:10,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1841582035, now seen corresponding path program 1 times [2022-10-16 15:11:10,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:10,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236967231] [2022-10-16 15:11:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:10,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:10,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236967231] [2022-10-16 15:11:10,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236967231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:10,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:10,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:10,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121363581] [2022-10-16 15:11:10,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:10,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:10,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:10,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:10,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:10,656 INFO L87 Difference]: Start difference. First operand 2976 states and 4556 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 15:11:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:10,950 INFO L93 Difference]: Finished difference Result 8136 states and 12444 transitions. [2022-10-16 15:11:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:10,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 15:11:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:10,978 INFO L225 Difference]: With dead ends: 8136 [2022-10-16 15:11:10,978 INFO L226 Difference]: Without dead ends: 5196 [2022-10-16 15:11:10,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:10,984 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 115 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:10,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 396 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-10-16 15:11:11,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5184. [2022-10-16 15:11:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5184 states, 5172 states have (on average 1.522815158546017) internal successors, (7876), 5183 states have internal predecessors, (7876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 5184 states and 7876 transitions. [2022-10-16 15:11:11,385 INFO L78 Accepts]: Start accepts. Automaton has 5184 states and 7876 transitions. Word has length 63 [2022-10-16 15:11:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:11,385 INFO L495 AbstractCegarLoop]: Abstraction has 5184 states and 7876 transitions. [2022-10-16 15:11:11,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 15:11:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 7876 transitions. [2022-10-16 15:11:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:11:11,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:11,397 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 15:11:11,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:11:11,397 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:11,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:11,398 INFO L85 PathProgramCache]: Analyzing trace with hash -403971527, now seen corresponding path program 1 times [2022-10-16 15:11:11,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:11,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045367211] [2022-10-16 15:11:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:11,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:11,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045367211] [2022-10-16 15:11:11,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045367211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:11,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:11,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:11,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203329722] [2022-10-16 15:11:11,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:11,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:11:11,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:11,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:11:11,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:11:11,507 INFO L87 Difference]: Start difference. First operand 5184 states and 7876 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 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 15:11:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:12,151 INFO L93 Difference]: Finished difference Result 8638 states and 13252 transitions. [2022-10-16 15:11:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:11:12,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 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 15:11:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:12,198 INFO L225 Difference]: With dead ends: 8638 [2022-10-16 15:11:12,198 INFO L226 Difference]: Without dead ends: 8636 [2022-10-16 15:11:12,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:11:12,203 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 1267 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:12,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 758 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8636 states. [2022-10-16 15:11:12,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8636 to 8608. [2022-10-16 15:11:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8596 states have (on average 1.5193113075849232) internal successors, (13060), 8607 states have internal predecessors, (13060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13060 transitions. [2022-10-16 15:11:12,885 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13060 transitions. Word has length 63 [2022-10-16 15:11:12,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:12,885 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13060 transitions. [2022-10-16 15:11:12,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 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 15:11:12,887 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13060 transitions. [2022-10-16 15:11:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:11:12,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:12,890 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:12,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:11:12,890 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:12,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash 109257652, now seen corresponding path program 1 times [2022-10-16 15:11:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:12,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393377806] [2022-10-16 15:11:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:12,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393377806] [2022-10-16 15:11:12,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393377806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:12,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:12,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966086767] [2022-10-16 15:11:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:12,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:12,998 INFO L87 Difference]: Start difference. First operand 8608 states and 13060 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:13,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:13,815 INFO L93 Difference]: Finished difference Result 25192 states and 38148 transitions. [2022-10-16 15:11:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:13,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 15:11:13,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:13,944 INFO L225 Difference]: With dead ends: 25192 [2022-10-16 15:11:13,944 INFO L226 Difference]: Without dead ends: 16620 [2022-10-16 15:11:13,961 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 15:11:13,962 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 88 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:13,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 340 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:13,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16620 states. [2022-10-16 15:11:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16620 to 16608. [2022-10-16 15:11:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16608 states, 16596 states have (on average 1.5042178838274283) internal successors, (24964), 16607 states have internal predecessors, (24964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16608 states to 16608 states and 24964 transitions. [2022-10-16 15:11:15,131 INFO L78 Accepts]: Start accepts. Automaton has 16608 states and 24964 transitions. Word has length 91 [2022-10-16 15:11:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:15,131 INFO L495 AbstractCegarLoop]: Abstraction has 16608 states and 24964 transitions. [2022-10-16 15:11:15,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 16608 states and 24964 transitions. [2022-10-16 15:11:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:11:15,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:15,136 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:15,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:11:15,136 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:15,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:15,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1733421941, now seen corresponding path program 1 times [2022-10-16 15:11:15,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:15,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762410211] [2022-10-16 15:11:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:15,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:11:15,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:15,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762410211] [2022-10-16 15:11:15,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762410211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:15,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:15,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:15,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93864539] [2022-10-16 15:11:15,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:15,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:15,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:15,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:15,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:15,279 INFO L87 Difference]: Start difference. First operand 16608 states and 24964 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:16,257 INFO L93 Difference]: Finished difference Result 23248 states and 35140 transitions. [2022-10-16 15:11:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:16,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 15:11:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:16,299 INFO L225 Difference]: With dead ends: 23248 [2022-10-16 15:11:16,299 INFO L226 Difference]: Without dead ends: 23246 [2022-10-16 15:11:16,308 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 15:11:16,309 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 203 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:16,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 481 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:16,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23246 states. [2022-10-16 15:11:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23246 to 19920. [2022-10-16 15:11:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19920 states, 19908 states have (on average 1.5063291139240507) internal successors, (29988), 19919 states have internal predecessors, (29988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19920 states to 19920 states and 29988 transitions. [2022-10-16 15:11:17,493 INFO L78 Accepts]: Start accepts. Automaton has 19920 states and 29988 transitions. Word has length 92 [2022-10-16 15:11:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:17,494 INFO L495 AbstractCegarLoop]: Abstraction has 19920 states and 29988 transitions. [2022-10-16 15:11:17,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 19920 states and 29988 transitions. [2022-10-16 15:11:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:11:17,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:17,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:17,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:11:17,499 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:17,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash -102936629, now seen corresponding path program 1 times [2022-10-16 15:11:17,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:17,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799871861] [2022-10-16 15:11:17,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:11:17,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:17,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799871861] [2022-10-16 15:11:17,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799871861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:17,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:17,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:17,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381567309] [2022-10-16 15:11:17,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:17,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:17,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:17,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:17,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:17,596 INFO L87 Difference]: Start difference. First operand 19920 states and 29988 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 15:11:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:18,653 INFO L93 Difference]: Finished difference Result 44346 states and 66566 transitions. [2022-10-16 15:11:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:18,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 93 [2022-10-16 15:11:18,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:18,700 INFO L225 Difference]: With dead ends: 44346 [2022-10-16 15:11:18,700 INFO L226 Difference]: Without dead ends: 24462 [2022-10-16 15:11:18,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:18,729 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 69 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:18,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 290 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24462 states. [2022-10-16 15:11:20,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24462 to 24266. [2022-10-16 15:11:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24266 states, 24254 states have (on average 1.4937742228086088) internal successors, (36230), 24265 states have internal predecessors, (36230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24266 states to 24266 states and 36230 transitions. [2022-10-16 15:11:20,241 INFO L78 Accepts]: Start accepts. Automaton has 24266 states and 36230 transitions. Word has length 93 [2022-10-16 15:11:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:20,241 INFO L495 AbstractCegarLoop]: Abstraction has 24266 states and 36230 transitions. [2022-10-16 15:11:20,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 15:11:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 24266 states and 36230 transitions. [2022-10-16 15:11:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:11:20,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:20,246 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:20,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:11:20,246 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:20,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:20,247 INFO L85 PathProgramCache]: Analyzing trace with hash 115918089, now seen corresponding path program 1 times [2022-10-16 15:11:20,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:20,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279272983] [2022-10-16 15:11:20,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:20,317 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 15:11:20,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:20,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279272983] [2022-10-16 15:11:20,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279272983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:20,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:20,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:20,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279953922] [2022-10-16 15:11:20,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:20,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:20,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:20,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:20,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:20,320 INFO L87 Difference]: Start difference. First operand 24266 states and 36230 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:11:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:22,162 INFO L93 Difference]: Finished difference Result 70898 states and 105542 transitions. [2022-10-16 15:11:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:22,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:11:22,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:22,256 INFO L225 Difference]: With dead ends: 70898 [2022-10-16 15:11:22,257 INFO L226 Difference]: Without dead ends: 46670 [2022-10-16 15:11:22,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:22,299 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 85 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:22,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 327 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46670 states. [2022-10-16 15:11:24,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46670 to 46658. [2022-10-16 15:11:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46658 states, 46646 states have (on average 1.4764395660935556) internal successors, (68870), 46657 states have internal predecessors, (68870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46658 states to 46658 states and 68870 transitions. [2022-10-16 15:11:24,739 INFO L78 Accepts]: Start accepts. Automaton has 46658 states and 68870 transitions. Word has length 93 [2022-10-16 15:11:24,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:24,739 INFO L495 AbstractCegarLoop]: Abstraction has 46658 states and 68870 transitions. [2022-10-16 15:11:24,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:11:24,740 INFO L276 IsEmpty]: Start isEmpty. Operand 46658 states and 68870 transitions. [2022-10-16 15:11:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:11:24,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:24,746 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:24,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:11:24,747 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash 280110054, now seen corresponding path program 1 times [2022-10-16 15:11:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:24,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024651163] [2022-10-16 15:11:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:24,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:24,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024651163] [2022-10-16 15:11:24,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024651163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:24,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:24,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:24,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764230760] [2022-10-16 15:11:24,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:24,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:24,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:24,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:24,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:24,816 INFO L87 Difference]: Start difference. First operand 46658 states and 68870 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:11:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:28,881 INFO L93 Difference]: Finished difference Result 136538 states and 200774 transitions. [2022-10-16 15:11:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:28,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:11:28,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:29,042 INFO L225 Difference]: With dead ends: 136538 [2022-10-16 15:11:29,042 INFO L226 Difference]: Without dead ends: 89918 [2022-10-16 15:11:29,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:29,299 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:29,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 349 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:29,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89918 states. [2022-10-16 15:11:33,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89918 to 89906. [2022-10-16 15:11:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89906 states, 89894 states have (on average 1.4570716621799007) internal successors, (130982), 89905 states have internal predecessors, (130982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89906 states to 89906 states and 130982 transitions. [2022-10-16 15:11:34,172 INFO L78 Accepts]: Start accepts. Automaton has 89906 states and 130982 transitions. Word has length 93 [2022-10-16 15:11:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:34,173 INFO L495 AbstractCegarLoop]: Abstraction has 89906 states and 130982 transitions. [2022-10-16 15:11:34,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:11:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 89906 states and 130982 transitions. [2022-10-16 15:11:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:11:34,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:34,182 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:34,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:11:34,183 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:34,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 628840045, now seen corresponding path program 1 times [2022-10-16 15:11:34,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:34,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960249312] [2022-10-16 15:11:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:34,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:11:34,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:34,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960249312] [2022-10-16 15:11:34,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960249312] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:34,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:34,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:34,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187703751] [2022-10-16 15:11:34,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:34,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:34,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:34,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:34,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:34,341 INFO L87 Difference]: Start difference. First operand 89906 states and 130982 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:38,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:38,605 INFO L93 Difference]: Finished difference Result 107524 states and 156774 transitions. [2022-10-16 15:11:38,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:38,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 15:11:38,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:38,761 INFO L225 Difference]: With dead ends: 107524 [2022-10-16 15:11:38,761 INFO L226 Difference]: Without dead ends: 107522 [2022-10-16 15:11:38,783 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 15:11:38,783 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 462 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:38,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 639 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:39,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107522 states. [2022-10-16 15:11:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107522 to 107506. [2022-10-16 15:11:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107506 states, 107494 states have (on average 1.4524903715556217) internal successors, (156134), 107505 states have internal predecessors, (156134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107506 states to 107506 states and 156134 transitions. [2022-10-16 15:11:43,968 INFO L78 Accepts]: Start accepts. Automaton has 107506 states and 156134 transitions. Word has length 94 [2022-10-16 15:11:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:43,968 INFO L495 AbstractCegarLoop]: Abstraction has 107506 states and 156134 transitions. [2022-10-16 15:11:43,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 107506 states and 156134 transitions. [2022-10-16 15:11:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:11:44,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:44,233 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:44,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:11:44,233 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:44,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:44,234 INFO L85 PathProgramCache]: Analyzing trace with hash -96852317, now seen corresponding path program 1 times [2022-10-16 15:11:44,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:44,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176717286] [2022-10-16 15:11:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:11:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:44,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176717286] [2022-10-16 15:11:44,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176717286] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:44,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:44,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284033528] [2022-10-16 15:11:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:44,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:44,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:44,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:44,386 INFO L87 Difference]: Start difference. First operand 107506 states and 156134 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:49,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:49,806 INFO L93 Difference]: Finished difference Result 125122 states and 181286 transitions. [2022-10-16 15:11:49,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:11:49,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 15:11:49,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:49,986 INFO L225 Difference]: With dead ends: 125122 [2022-10-16 15:11:49,987 INFO L226 Difference]: Without dead ends: 125120 [2022-10-16 15:11:50,013 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 15:11:50,015 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 457 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:50,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 625 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125120 states. [2022-10-16 15:11:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125120 to 120730. [2022-10-16 15:11:55,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120730 states, 120718 states have (on average 1.447124703855266) internal successors, (174694), 120729 states have internal predecessors, (174694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120730 states to 120730 states and 174694 transitions. [2022-10-16 15:11:56,049 INFO L78 Accepts]: Start accepts. Automaton has 120730 states and 174694 transitions. Word has length 94 [2022-10-16 15:11:56,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:56,050 INFO L495 AbstractCegarLoop]: Abstraction has 120730 states and 174694 transitions. [2022-10-16 15:11:56,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 120730 states and 174694 transitions. [2022-10-16 15:11:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:11:56,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:56,060 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:56,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:11:56,060 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2010782344, now seen corresponding path program 1 times [2022-10-16 15:11:56,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:56,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720234469] [2022-10-16 15:11:56,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:56,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:11:56,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:56,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720234469] [2022-10-16 15:11:56,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720234469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:56,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:56,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:56,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560517089] [2022-10-16 15:11:56,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:56,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:56,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:56,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:56,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:56,165 INFO L87 Difference]: Start difference. First operand 120730 states and 174694 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 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 15:12:01,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:01,403 INFO L93 Difference]: Finished difference Result 133098 states and 194022 transitions. [2022-10-16 15:12:01,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:12:01,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 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 94 [2022-10-16 15:12:01,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:01,589 INFO L225 Difference]: With dead ends: 133098 [2022-10-16 15:12:01,589 INFO L226 Difference]: Without dead ends: 133096 [2022-10-16 15:12:01,615 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 15:12:01,616 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 200 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:01,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 484 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:12:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133096 states. [2022-10-16 15:12:07,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133096 to 133082. [2022-10-16 15:12:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133082 states, 133070 states have (on average 1.4541970391523258) internal successors, (193510), 133081 states have internal predecessors, (193510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133082 states to 133082 states and 193510 transitions. [2022-10-16 15:12:07,941 INFO L78 Accepts]: Start accepts. Automaton has 133082 states and 193510 transitions. Word has length 94 [2022-10-16 15:12:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:07,942 INFO L495 AbstractCegarLoop]: Abstraction has 133082 states and 193510 transitions. [2022-10-16 15:12:07,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 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 15:12:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 133082 states and 193510 transitions. [2022-10-16 15:12:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:12:07,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:07,951 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:07,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:12:07,951 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:12:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:07,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1980794628, now seen corresponding path program 1 times [2022-10-16 15:12:07,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:07,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024134827] [2022-10-16 15:12:07,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:07,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:12:08,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:08,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024134827] [2022-10-16 15:12:08,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024134827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:08,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:08,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:12:08,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514086545] [2022-10-16 15:12:08,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:08,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:12:08,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:12:08,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:12:08,075 INFO L87 Difference]: Start difference. First operand 133082 states and 193510 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:15,281 INFO L93 Difference]: Finished difference Result 182512 states and 268774 transitions. [2022-10-16 15:12:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:12:15,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 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 15:12:15,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:15,564 INFO L225 Difference]: With dead ends: 182512 [2022-10-16 15:12:15,564 INFO L226 Difference]: Without dead ends: 182510 [2022-10-16 15:12:15,602 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 15:12:15,606 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 477 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:15,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 484 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:12:15,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182510 states. [2022-10-16 15:12:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182510 to 157850. [2022-10-16 15:12:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157850 states, 157838 states have (on average 1.4563159695383874) internal successors, (229862), 157849 states have internal predecessors, (229862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157850 states to 157850 states and 229862 transitions. [2022-10-16 15:12:23,532 INFO L78 Accepts]: Start accepts. Automaton has 157850 states and 229862 transitions. Word has length 95 [2022-10-16 15:12:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:23,532 INFO L495 AbstractCegarLoop]: Abstraction has 157850 states and 229862 transitions. [2022-10-16 15:12:23,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 157850 states and 229862 transitions. [2022-10-16 15:12:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:12:23,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:23,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:23,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:12:23,542 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:12:23,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash -969817064, now seen corresponding path program 1 times [2022-10-16 15:12:23,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:23,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437569836] [2022-10-16 15:12:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:12:23,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:23,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437569836] [2022-10-16 15:12:23,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437569836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:23,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:23,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:12:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101331680] [2022-10-16 15:12:23,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:23,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:12:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:23,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:12:23,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:12:23,619 INFO L87 Difference]: Start difference. First operand 157850 states and 229862 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 15:12:37,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:37,301 INFO L93 Difference]: Finished difference Result 461714 states and 669350 transitions. [2022-10-16 15:12:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:12:37,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 15:12:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:38,047 INFO L225 Difference]: With dead ends: 461714 [2022-10-16 15:12:38,048 INFO L226 Difference]: Without dead ends: 302862 [2022-10-16 15:12:38,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:12:38,217 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 90 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:38,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 362 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:12:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302862 states. [2022-10-16 15:12:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302862 to 271046. [2022-10-16 15:12:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271046 states, 271034 states have (on average 1.4393397138366404) internal successors, (390110), 271045 states have internal predecessors, (390110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271046 states to 271046 states and 390110 transitions. [2022-10-16 15:12:53,650 INFO L78 Accepts]: Start accepts. Automaton has 271046 states and 390110 transitions. Word has length 95 [2022-10-16 15:12:53,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:53,651 INFO L495 AbstractCegarLoop]: Abstraction has 271046 states and 390110 transitions. [2022-10-16 15:12:53,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 15:12:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 271046 states and 390110 transitions. [2022-10-16 15:12:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:12:53,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:53,661 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:53,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:12:53,661 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:12:53,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2090256323, now seen corresponding path program 1 times [2022-10-16 15:12:53,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:53,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268440186] [2022-10-16 15:12:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:12:53,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:53,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268440186] [2022-10-16 15:12:53,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268440186] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:53,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:53,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:12:53,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584041220] [2022-10-16 15:12:53,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:53,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:12:53,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:53,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:12:53,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:12:53,763 INFO L87 Difference]: Start difference. First operand 271046 states and 390110 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 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 15:13:06,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:06,367 INFO L93 Difference]: Finished difference Result 271052 states and 390110 transitions. [2022-10-16 15:13:06,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:13:06,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 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 95 [2022-10-16 15:13:06,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:06,832 INFO L225 Difference]: With dead ends: 271052 [2022-10-16 15:13:06,832 INFO L226 Difference]: Without dead ends: 271050 [2022-10-16 15:13:06,891 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 15:13:06,897 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 195 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:06,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 388 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271050 states. [2022-10-16 15:13:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271050 to 259204. [2022-10-16 15:13:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259204 states, 259194 states have (on average 1.42508700047069) internal successors, (369374), 259203 states have internal predecessors, (369374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:23,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259204 states to 259204 states and 369374 transitions. [2022-10-16 15:13:23,883 INFO L78 Accepts]: Start accepts. Automaton has 259204 states and 369374 transitions. Word has length 95 [2022-10-16 15:13:23,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:23,884 INFO L495 AbstractCegarLoop]: Abstraction has 259204 states and 369374 transitions. [2022-10-16 15:13:23,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 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 15:13:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 259204 states and 369374 transitions. [2022-10-16 15:13:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:13:23,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:23,901 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:23,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:13:23,902 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:13:23,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1275090865, now seen corresponding path program 1 times [2022-10-16 15:13:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:23,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937698502] [2022-10-16 15:13:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:13:24,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:24,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937698502] [2022-10-16 15:13:24,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937698502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:24,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:24,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31363284] [2022-10-16 15:13:24,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:24,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:24,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:24,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:24,140 INFO L87 Difference]: Start difference. First operand 259204 states and 369374 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:39,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:39,826 INFO L93 Difference]: Finished difference Result 465770 states and 664422 transitions. [2022-10-16 15:13:39,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:13:39,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 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 96 [2022-10-16 15:13:39,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:40,426 INFO L225 Difference]: With dead ends: 465770 [2022-10-16 15:13:40,427 INFO L226 Difference]: Without dead ends: 296776 [2022-10-16 15:13:40,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:13:40,612 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 786 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:40,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 830 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:40,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296776 states. [2022-10-16 15:13:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296776 to 287308. [2022-10-16 15:13:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287308 states, 287298 states have (on average 1.4139395331676516) internal successors, (406222), 287307 states have internal predecessors, (406222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287308 states to 287308 states and 406222 transitions. [2022-10-16 15:13:58,150 INFO L78 Accepts]: Start accepts. Automaton has 287308 states and 406222 transitions. Word has length 96 [2022-10-16 15:13:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:58,151 INFO L495 AbstractCegarLoop]: Abstraction has 287308 states and 406222 transitions. [2022-10-16 15:13:58,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 287308 states and 406222 transitions. [2022-10-16 15:13:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:13:58,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:58,164 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:58,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:13:58,165 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:13:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 121647535, now seen corresponding path program 1 times [2022-10-16 15:13:58,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:58,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830897807] [2022-10-16 15:13:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 15:13:58,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:58,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830897807] [2022-10-16 15:13:58,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830897807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:58,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:58,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:58,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947235208] [2022-10-16 15:13:58,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:58,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:58,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:58,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:58,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:58,328 INFO L87 Difference]: Start difference. First operand 287308 states and 406222 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:14,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:14,562 INFO L93 Difference]: Finished difference Result 542144 states and 770702 transitions. [2022-10-16 15:14:14,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:14:14,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 96 [2022-10-16 15:14:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:15,129 INFO L225 Difference]: With dead ends: 542144 [2022-10-16 15:14:15,129 INFO L226 Difference]: Without dead ends: 295722 [2022-10-16 15:14:15,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:14:15,340 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 745 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:15,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 807 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:14:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295722 states. [2022-10-16 15:14:31,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295722 to 293632. [2022-10-16 15:14:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293632 states, 293622 states have (on average 1.408988427297682) internal successors, (413710), 293631 states have internal predecessors, (413710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293632 states to 293632 states and 413710 transitions. [2022-10-16 15:14:33,097 INFO L78 Accepts]: Start accepts. Automaton has 293632 states and 413710 transitions. Word has length 96 [2022-10-16 15:14:33,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:33,097 INFO L495 AbstractCegarLoop]: Abstraction has 293632 states and 413710 transitions. [2022-10-16 15:14:33,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 293632 states and 413710 transitions. [2022-10-16 15:14:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:14:33,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:33,107 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:33,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:14:33,107 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:14:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:33,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1414218501, now seen corresponding path program 1 times [2022-10-16 15:14:33,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:33,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712832311] [2022-10-16 15:14:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:33,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:14:33,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:33,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712832311] [2022-10-16 15:14:33,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712832311] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:33,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:33,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:14:33,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394962242] [2022-10-16 15:14:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:33,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:14:33,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:14:33,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:14:33,250 INFO L87 Difference]: Start difference. First operand 293632 states and 413710 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)