/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_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:23:38,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:23:38,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:23:38,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:23:38,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:23:38,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:23:38,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:23:38,134 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 15:23:38,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:23:38,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:23:38,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:23:38,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:23:38,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:23:38,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:23:38,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:23:38,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:23:38,176 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:23:38,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:23:38,176 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:23:38,178 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:23:38,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:23:38,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:23:38,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:23:38,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:23:38,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:23:38,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:23:38,180 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:23:38,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:23:38,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:23:38,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:23:38,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:23:38,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:23:38,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:23:38,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:23:38,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:23:38,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:23:38,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:23:38,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:23:38,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:23:38,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:23:38,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:23:38,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:23:38,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:23:38,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:23:38,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:23:38,616 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:23:38,617 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:23:38,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:23:38,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac7a603e/4a8b068bc7fa4a57a4216d262eac5b08/FLAG6c96a63cc [2022-10-16 15:23:39,273 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:23:39,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:23:39,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac7a603e/4a8b068bc7fa4a57a4216d262eac5b08/FLAG6c96a63cc [2022-10-16 15:23:39,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac7a603e/4a8b068bc7fa4a57a4216d262eac5b08 [2022-10-16 15:23:39,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:23:39,587 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:23:39,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:23:39,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:23:39,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:23:39,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:23:39" (1/1) ... [2022-10-16 15:23:39,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c32c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:39, skipping insertion in model container [2022-10-16 15:23:39,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:23:39" (1/1) ... [2022-10-16 15:23:39,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:23:39,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:23:39,896 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_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2022-10-16 15:23:39,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:23:39,923 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:23:40,040 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_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2022-10-16 15:23:40,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:23:40,062 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:23:40,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40 WrapperNode [2022-10-16 15:23:40,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:23:40,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:23:40,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:23:40,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:23:40,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,136 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 505 [2022-10-16 15:23:40,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:23:40,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:23:40,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:23:40,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:23:40,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:23:40,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:23:40,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:23:40,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:23:40,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (1/1) ... [2022-10-16 15:23:40,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:23:40,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:23:40,225 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 15:23:40,262 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 15:23:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:23:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:23:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:23:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:23:40,481 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:23:40,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:23:41,301 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:23:41,313 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:23:41,313 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:23:41,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:23:41 BoogieIcfgContainer [2022-10-16 15:23:41,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:23:41,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:23:41,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:23:41,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:23:41,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:23:39" (1/3) ... [2022-10-16 15:23:41,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a541a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:23:41, skipping insertion in model container [2022-10-16 15:23:41,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:40" (2/3) ... [2022-10-16 15:23:41,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a541a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:23:41, skipping insertion in model container [2022-10-16 15:23:41,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:23:41" (3/3) ... [2022-10-16 15:23:41,326 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:23:41,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:23:41,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 15:23:41,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:23:41,435 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;@7a7fdafd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:23:41,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 15:23:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 173 states have (on average 1.7976878612716762) internal successors, (311), 205 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:23:41,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:41,451 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] [2022-10-16 15:23:41,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:41,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:41,459 INFO L85 PathProgramCache]: Analyzing trace with hash 9211884, now seen corresponding path program 1 times [2022-10-16 15:23:41,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:41,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205718025] [2022-10-16 15:23:41,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:41,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:41,824 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 15:23:41,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:41,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205718025] [2022-10-16 15:23:41,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205718025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:41,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:41,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:23:41,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047780928] [2022-10-16 15:23:41,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:41,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:23:41,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:41,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:23:41,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:23:41,887 INFO L87 Difference]: Start difference. First operand has 206 states, 173 states have (on average 1.7976878612716762) internal successors, (311), 205 states have internal predecessors, (311), 0 states have call successors, (0), 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, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:41,964 INFO L93 Difference]: Finished difference Result 343 states and 511 transitions. [2022-10-16 15:23:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:23:41,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-16 15:23:41,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:41,987 INFO L225 Difference]: With dead ends: 343 [2022-10-16 15:23:41,988 INFO L226 Difference]: Without dead ends: 195 [2022-10-16 15:23:41,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 15:23:42,000 INFO L413 NwaCegarLoop]: 298 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, 298 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 15:23:42,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:42,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-16 15:23:42,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-10-16 15:23:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 169 states have (on average 1.757396449704142) internal successors, (297), 194 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 297 transitions. [2022-10-16 15:23:42,096 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 297 transitions. Word has length 22 [2022-10-16 15:23:42,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:42,097 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 297 transitions. [2022-10-16 15:23:42,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 297 transitions. [2022-10-16 15:23:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 15:23:42,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:42,102 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] [2022-10-16 15:23:42,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:23:42,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:42,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1918727964, now seen corresponding path program 1 times [2022-10-16 15:23:42,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:42,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404387996] [2022-10-16 15:23:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:42,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:42,511 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 15:23:42,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:42,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404387996] [2022-10-16 15:23:42,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404387996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:42,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:42,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:23:42,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988742371] [2022-10-16 15:23:42,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:42,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:42,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:42,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:42,520 INFO L87 Difference]: Start difference. First operand 195 states and 297 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:42,653 INFO L93 Difference]: Finished difference Result 334 states and 490 transitions. [2022-10-16 15:23:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:42,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-10-16 15:23:42,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:42,679 INFO L225 Difference]: With dead ends: 334 [2022-10-16 15:23:42,679 INFO L226 Difference]: Without dead ends: 195 [2022-10-16 15:23:42,681 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 15:23:42,682 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 3 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:42,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1147 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:42,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-16 15:23:42,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-10-16 15:23:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 169 states have (on average 1.5798816568047338) internal successors, (267), 194 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 267 transitions. [2022-10-16 15:23:42,696 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 267 transitions. Word has length 33 [2022-10-16 15:23:42,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:42,697 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 267 transitions. [2022-10-16 15:23:42,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 267 transitions. [2022-10-16 15:23:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:23:42,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:42,700 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 15:23:42,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:23:42,700 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:42,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:42,701 INFO L85 PathProgramCache]: Analyzing trace with hash 486247906, now seen corresponding path program 1 times [2022-10-16 15:23:42,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:42,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008115647] [2022-10-16 15:23:42,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:42,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:42,836 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 15:23:42,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:42,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008115647] [2022-10-16 15:23:42,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008115647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:42,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:42,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:42,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601666483] [2022-10-16 15:23:42,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:42,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:42,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:42,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:42,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:42,840 INFO L87 Difference]: Start difference. First operand 195 states and 267 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:42,887 INFO L93 Difference]: Finished difference Result 439 states and 611 transitions. [2022-10-16 15:23:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:42,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:23:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:42,891 INFO L225 Difference]: With dead ends: 439 [2022-10-16 15:23:42,891 INFO L226 Difference]: Without dead ends: 304 [2022-10-16 15:23:42,892 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 15:23:42,894 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 147 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:42,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 498 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:42,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-10-16 15:23:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 284. [2022-10-16 15:23:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 258 states have (on average 1.6085271317829457) internal successors, (415), 283 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 415 transitions. [2022-10-16 15:23:42,915 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 415 transitions. Word has length 62 [2022-10-16 15:23:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:42,916 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 415 transitions. [2022-10-16 15:23:42,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 415 transitions. [2022-10-16 15:23:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:23:42,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:42,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:42,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:23:42,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash -387949449, now seen corresponding path program 1 times [2022-10-16 15:23:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:42,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37958367] [2022-10-16 15:23:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:42,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:43,045 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 15:23:43,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:43,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37958367] [2022-10-16 15:23:43,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37958367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:43,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:43,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:43,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758608149] [2022-10-16 15:23:43,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:43,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:43,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:43,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:43,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:43,049 INFO L87 Difference]: Start difference. First operand 284 states and 415 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:43,086 INFO L93 Difference]: Finished difference Result 716 states and 1061 transitions. [2022-10-16 15:23:43,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:43,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 15:23:43,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:43,090 INFO L225 Difference]: With dead ends: 716 [2022-10-16 15:23:43,090 INFO L226 Difference]: Without dead ends: 492 [2022-10-16 15:23:43,091 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 15:23:43,093 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 165 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:43,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 498 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:43,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-10-16 15:23:43,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 462. [2022-10-16 15:23:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 436 states have (on average 1.646788990825688) internal successors, (718), 461 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 718 transitions. [2022-10-16 15:23:43,122 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 718 transitions. Word has length 64 [2022-10-16 15:23:43,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:43,122 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 718 transitions. [2022-10-16 15:23:43,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 718 transitions. [2022-10-16 15:23:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:23:43,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:43,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:43,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:23:43,126 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:43,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:43,127 INFO L85 PathProgramCache]: Analyzing trace with hash -263866388, now seen corresponding path program 1 times [2022-10-16 15:23:43,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:43,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335704300] [2022-10-16 15:23:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:43,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:43,236 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 15:23:43,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:43,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335704300] [2022-10-16 15:23:43,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335704300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:43,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:43,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:43,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956106307] [2022-10-16 15:23:43,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:43,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:43,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:43,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:43,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:43,239 INFO L87 Difference]: Start difference. First operand 462 states and 718 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:43,284 INFO L93 Difference]: Finished difference Result 1234 states and 1942 transitions. [2022-10-16 15:23:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:43,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:23:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:43,290 INFO L225 Difference]: With dead ends: 1234 [2022-10-16 15:23:43,290 INFO L226 Difference]: Without dead ends: 832 [2022-10-16 15:23:43,291 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 15:23:43,293 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 159 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:43,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 499 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:43,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-10-16 15:23:43,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 798. [2022-10-16 15:23:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 772 states have (on average 1.6709844559585492) internal successors, (1290), 797 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1290 transitions. [2022-10-16 15:23:43,332 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1290 transitions. Word has length 66 [2022-10-16 15:23:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:43,333 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1290 transitions. [2022-10-16 15:23:43,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1290 transitions. [2022-10-16 15:23:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:23:43,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:43,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:43,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:23:43,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:43,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:43,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1340082111, now seen corresponding path program 1 times [2022-10-16 15:23:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:43,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548590796] [2022-10-16 15:23:43,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:43,493 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 15:23:43,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:43,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548590796] [2022-10-16 15:23:43,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548590796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:43,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:43,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:43,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675005581] [2022-10-16 15:23:43,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:43,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:43,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:43,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:43,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:43,496 INFO L87 Difference]: Start difference. First operand 798 states and 1290 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:43,729 INFO L93 Difference]: Finished difference Result 1619 states and 2618 transitions. [2022-10-16 15:23:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 15:23:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:43,740 INFO L225 Difference]: With dead ends: 1619 [2022-10-16 15:23:43,740 INFO L226 Difference]: Without dead ends: 1616 [2022-10-16 15:23:43,741 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 15:23:43,742 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 553 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:43,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 706 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:43,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2022-10-16 15:23:43,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1362. [2022-10-16 15:23:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1336 states have (on average 1.6744011976047903) internal successors, (2237), 1361 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 2237 transitions. [2022-10-16 15:23:43,808 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 2237 transitions. Word has length 68 [2022-10-16 15:23:43,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:43,809 INFO L495 AbstractCegarLoop]: Abstraction has 1362 states and 2237 transitions. [2022-10-16 15:23:43,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 2237 transitions. [2022-10-16 15:23:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:23:43,812 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:43,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:43,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:23:43,813 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:43,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1407128147, now seen corresponding path program 1 times [2022-10-16 15:23:43,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:43,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470051555] [2022-10-16 15:23:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:43,981 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 15:23:43,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:43,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470051555] [2022-10-16 15:23:43,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470051555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:43,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:43,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:43,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540516349] [2022-10-16 15:23:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:43,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:43,984 INFO L87 Difference]: Start difference. First operand 1362 states and 2237 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:44,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:44,165 INFO L93 Difference]: Finished difference Result 1593 states and 2598 transitions. [2022-10-16 15:23:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:23:44,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 15:23:44,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:44,175 INFO L225 Difference]: With dead ends: 1593 [2022-10-16 15:23:44,176 INFO L226 Difference]: Without dead ends: 1590 [2022-10-16 15:23:44,177 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 15:23:44,178 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 550 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:44,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 490 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:44,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2022-10-16 15:23:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1570. [2022-10-16 15:23:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1544 states have (on average 1.6632124352331605) internal successors, (2568), 1569 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2568 transitions. [2022-10-16 15:23:44,254 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2568 transitions. Word has length 69 [2022-10-16 15:23:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:44,254 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2568 transitions. [2022-10-16 15:23:44,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2568 transitions. [2022-10-16 15:23:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:23:44,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:44,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:44,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:23:44,258 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash 671300227, now seen corresponding path program 1 times [2022-10-16 15:23:44,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:44,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337580425] [2022-10-16 15:23:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:44,396 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 15:23:44,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:44,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337580425] [2022-10-16 15:23:44,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337580425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:44,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:44,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:23:44,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088142129] [2022-10-16 15:23:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:44,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:44,399 INFO L87 Difference]: Start difference. First operand 1570 states and 2568 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:44,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:44,909 INFO L93 Difference]: Finished difference Result 4706 states and 7654 transitions. [2022-10-16 15:23:44,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:23:44,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:23:44,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:44,928 INFO L225 Difference]: With dead ends: 4706 [2022-10-16 15:23:44,928 INFO L226 Difference]: Without dead ends: 3196 [2022-10-16 15:23:44,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:23:44,933 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1213 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:44,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 1410 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:23:44,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2022-10-16 15:23:45,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 2686. [2022-10-16 15:23:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2660 states have (on average 1.6488721804511277) internal successors, (4386), 2685 states have internal predecessors, (4386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 4386 transitions. [2022-10-16 15:23:45,070 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 4386 transitions. Word has length 70 [2022-10-16 15:23:45,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:45,070 INFO L495 AbstractCegarLoop]: Abstraction has 2686 states and 4386 transitions. [2022-10-16 15:23:45,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 4386 transitions. [2022-10-16 15:23:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:23:45,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:45,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:45,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:23:45,073 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash -664528811, now seen corresponding path program 1 times [2022-10-16 15:23:45,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:45,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436111436] [2022-10-16 15:23:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:45,259 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 15:23:45,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:45,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436111436] [2022-10-16 15:23:45,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436111436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:45,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:45,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:23:45,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373573875] [2022-10-16 15:23:45,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:45,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:45,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:45,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:45,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:45,262 INFO L87 Difference]: Start difference. First operand 2686 states and 4386 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:45,647 INFO L93 Difference]: Finished difference Result 3499 states and 5678 transitions. [2022-10-16 15:23:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:23:45,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 15:23:45,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:45,668 INFO L225 Difference]: With dead ends: 3499 [2022-10-16 15:23:45,668 INFO L226 Difference]: Without dead ends: 3496 [2022-10-16 15:23:45,670 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 15:23:45,671 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1215 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:45,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 845 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2022-10-16 15:23:45,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3442. [2022-10-16 15:23:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 3416 states have (on average 1.6405152224824355) internal successors, (5604), 3441 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 5604 transitions. [2022-10-16 15:23:45,840 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 5604 transitions. Word has length 71 [2022-10-16 15:23:45,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:45,841 INFO L495 AbstractCegarLoop]: Abstraction has 3442 states and 5604 transitions. [2022-10-16 15:23:45,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 5604 transitions. [2022-10-16 15:23:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:23:45,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:45,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:45,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:23:45,843 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:45,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:45,844 INFO L85 PathProgramCache]: Analyzing trace with hash 663401814, now seen corresponding path program 1 times [2022-10-16 15:23:45,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:45,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338542534] [2022-10-16 15:23:45,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:45,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:45,937 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 15:23:45,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:45,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338542534] [2022-10-16 15:23:45,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338542534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:45,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:45,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:45,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931193076] [2022-10-16 15:23:45,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:45,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:45,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:45,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:45,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:45,941 INFO L87 Difference]: Start difference. First operand 3442 states and 5604 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:46,190 INFO L93 Difference]: Finished difference Result 7615 states and 12389 transitions. [2022-10-16 15:23:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:46,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 15:23:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:46,221 INFO L225 Difference]: With dead ends: 7615 [2022-10-16 15:23:46,221 INFO L226 Difference]: Without dead ends: 5303 [2022-10-16 15:23:46,227 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 15:23:46,228 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 164 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 620 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 15:23:46,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 620 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:46,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2022-10-16 15:23:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 5277. [2022-10-16 15:23:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 5251 states have (on average 1.6370215197105313) internal successors, (8596), 5276 states have internal predecessors, (8596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 8596 transitions. [2022-10-16 15:23:46,513 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 8596 transitions. Word has length 72 [2022-10-16 15:23:46,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:46,514 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 8596 transitions. [2022-10-16 15:23:46,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 8596 transitions. [2022-10-16 15:23:46,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:23:46,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:46,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:46,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:23:46,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:46,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:46,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1375593686, now seen corresponding path program 1 times [2022-10-16 15:23:46,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:46,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375649084] [2022-10-16 15:23:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:46,603 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 15:23:46,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:46,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375649084] [2022-10-16 15:23:46,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375649084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:46,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:46,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:46,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217339720] [2022-10-16 15:23:46,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:46,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:46,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:46,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:46,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:46,606 INFO L87 Difference]: Start difference. First operand 5277 states and 8596 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:46,942 INFO L93 Difference]: Finished difference Result 11911 states and 19599 transitions. [2022-10-16 15:23:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:46,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 15:23:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:46,990 INFO L225 Difference]: With dead ends: 11911 [2022-10-16 15:23:46,991 INFO L226 Difference]: Without dead ends: 8189 [2022-10-16 15:23:46,998 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 15:23:46,999 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 170 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 628 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 15:23:47,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 628 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:47,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2022-10-16 15:23:47,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 8163. [2022-10-16 15:23:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8137 states have (on average 1.6459383065011675) internal successors, (13393), 8162 states have internal predecessors, (13393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 13393 transitions. [2022-10-16 15:23:47,471 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 13393 transitions. Word has length 72 [2022-10-16 15:23:47,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:47,471 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 13393 transitions. [2022-10-16 15:23:47,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 13393 transitions. [2022-10-16 15:23:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:23:47,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:47,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:47,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:23:47,474 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:47,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1337960055, now seen corresponding path program 1 times [2022-10-16 15:23:47,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:47,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935569085] [2022-10-16 15:23:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:47,571 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 15:23:47,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:47,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935569085] [2022-10-16 15:23:47,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935569085] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:47,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:47,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:47,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804761832] [2022-10-16 15:23:47,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:47,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:47,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:47,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:47,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:47,575 INFO L87 Difference]: Start difference. First operand 8163 states and 13393 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:48,482 INFO L93 Difference]: Finished difference Result 21870 states and 35866 transitions. [2022-10-16 15:23:48,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:48,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:23:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:48,538 INFO L225 Difference]: With dead ends: 21870 [2022-10-16 15:23:48,538 INFO L226 Difference]: Without dead ends: 13781 [2022-10-16 15:23:48,551 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 15:23:48,552 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 539 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:48,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 754 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:48,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13781 states. [2022-10-16 15:23:49,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13781 to 11700. [2022-10-16 15:23:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11700 states, 11674 states have (on average 1.631574438924105) internal successors, (19047), 11699 states have internal predecessors, (19047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11700 states to 11700 states and 19047 transitions. [2022-10-16 15:23:49,252 INFO L78 Accepts]: Start accepts. Automaton has 11700 states and 19047 transitions. Word has length 73 [2022-10-16 15:23:49,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:49,252 INFO L495 AbstractCegarLoop]: Abstraction has 11700 states and 19047 transitions. [2022-10-16 15:23:49,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 11700 states and 19047 transitions. [2022-10-16 15:23:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:23:49,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:49,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:49,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:23:49,255 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:49,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:49,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1472910616, now seen corresponding path program 1 times [2022-10-16 15:23:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:49,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514137812] [2022-10-16 15:23:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:49,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:49,386 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 15:23:49,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:49,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514137812] [2022-10-16 15:23:49,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514137812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:49,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:49,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:49,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618173352] [2022-10-16 15:23:49,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:49,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:49,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:49,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:49,389 INFO L87 Difference]: Start difference. First operand 11700 states and 19047 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:50,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:50,167 INFO L93 Difference]: Finished difference Result 16765 states and 27545 transitions. [2022-10-16 15:23:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:23:50,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 15:23:50,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:50,213 INFO L225 Difference]: With dead ends: 16765 [2022-10-16 15:23:50,214 INFO L226 Difference]: Without dead ends: 16764 [2022-10-16 15:23:50,220 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 15:23:50,221 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 540 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:50,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 464 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:50,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2022-10-16 15:23:51,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 16710. [2022-10-16 15:23:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16710 states, 16684 states have (on average 1.6389355070726443) internal successors, (27344), 16709 states have internal predecessors, (27344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16710 states to 16710 states and 27344 transitions. [2022-10-16 15:23:51,108 INFO L78 Accepts]: Start accepts. Automaton has 16710 states and 27344 transitions. Word has length 74 [2022-10-16 15:23:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:51,108 INFO L495 AbstractCegarLoop]: Abstraction has 16710 states and 27344 transitions. [2022-10-16 15:23:51,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16710 states and 27344 transitions. [2022-10-16 15:23:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:23:51,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:51,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:51,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:23:51,111 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:51,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:51,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1228674776, now seen corresponding path program 1 times [2022-10-16 15:23:51,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:51,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084608] [2022-10-16 15:23:51,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:51,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:51,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:51,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084608] [2022-10-16 15:23:51,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:51,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:51,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:51,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877389251] [2022-10-16 15:23:51,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:51,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:51,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:51,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:51,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:51,189 INFO L87 Difference]: Start difference. First operand 16710 states and 27344 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:52,249 INFO L93 Difference]: Finished difference Result 33432 states and 54675 transitions. [2022-10-16 15:23:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:52,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 15:23:52,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:52,329 INFO L225 Difference]: With dead ends: 33432 [2022-10-16 15:23:52,329 INFO L226 Difference]: Without dead ends: 23997 [2022-10-16 15:23:52,347 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 15:23:52,348 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 158 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 617 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 15:23:52,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 617 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:52,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23997 states. [2022-10-16 15:23:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23997 to 23971. [2022-10-16 15:23:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23971 states, 23945 states have (on average 1.634078095635832) internal successors, (39128), 23970 states have internal predecessors, (39128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23971 states to 23971 states and 39128 transitions. [2022-10-16 15:23:53,561 INFO L78 Accepts]: Start accepts. Automaton has 23971 states and 39128 transitions. Word has length 74 [2022-10-16 15:23:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:53,561 INFO L495 AbstractCegarLoop]: Abstraction has 23971 states and 39128 transitions. [2022-10-16 15:23:53,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 23971 states and 39128 transitions. [2022-10-16 15:23:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:23:53,563 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:53,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:53,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:23:53,563 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:53,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:53,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1872126250, now seen corresponding path program 1 times [2022-10-16 15:23:53,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:53,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504035796] [2022-10-16 15:23:53,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:53,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:53,673 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 15:23:53,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:53,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504035796] [2022-10-16 15:23:53,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504035796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:53,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:53,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:53,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347437732] [2022-10-16 15:23:53,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:53,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:53,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:53,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:53,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:53,677 INFO L87 Difference]: Start difference. First operand 23971 states and 39128 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:55,392 INFO L93 Difference]: Finished difference Result 63054 states and 103260 transitions. [2022-10-16 15:23:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:55,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:23:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:55,505 INFO L225 Difference]: With dead ends: 63054 [2022-10-16 15:23:55,505 INFO L226 Difference]: Without dead ends: 39169 [2022-10-16 15:23:55,535 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 15:23:55,537 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 544 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:55,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 756 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39169 states. [2022-10-16 15:23:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39169 to 33388. [2022-10-16 15:23:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33388 states, 33362 states have (on average 1.6234038726695041) internal successors, (54160), 33387 states have internal predecessors, (54160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33388 states to 33388 states and 54160 transitions. [2022-10-16 15:23:57,266 INFO L78 Accepts]: Start accepts. Automaton has 33388 states and 54160 transitions. Word has length 76 [2022-10-16 15:23:57,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:57,266 INFO L495 AbstractCegarLoop]: Abstraction has 33388 states and 54160 transitions. [2022-10-16 15:23:57,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 33388 states and 54160 transitions. [2022-10-16 15:23:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:23:57,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:57,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:57,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:23:57,273 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:23:57,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:57,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2093627748, now seen corresponding path program 1 times [2022-10-16 15:23:57,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:57,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649468515] [2022-10-16 15:23:57,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:57,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:57,456 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 15:23:57,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:57,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649468515] [2022-10-16 15:23:57,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649468515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:57,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:57,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:57,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121167879] [2022-10-16 15:23:57,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:57,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:57,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:57,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:57,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:57,459 INFO L87 Difference]: Start difference. First operand 33388 states and 54160 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:59,284 INFO L93 Difference]: Finished difference Result 48725 states and 79492 transitions. [2022-10-16 15:23:59,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:23:59,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 15:23:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:59,380 INFO L225 Difference]: With dead ends: 48725 [2022-10-16 15:23:59,380 INFO L226 Difference]: Without dead ends: 48724 [2022-10-16 15:23:59,393 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 15:23:59,394 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 536 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:59,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 467 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48724 states. [2022-10-16 15:24:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48724 to 48601. [2022-10-16 15:24:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48601 states, 48575 states have (on average 1.6235306227483273) internal successors, (78863), 48600 states have internal predecessors, (78863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48601 states to 48601 states and 78863 transitions. [2022-10-16 15:24:01,564 INFO L78 Accepts]: Start accepts. Automaton has 48601 states and 78863 transitions. Word has length 77 [2022-10-16 15:24:01,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:01,565 INFO L495 AbstractCegarLoop]: Abstraction has 48601 states and 78863 transitions. [2022-10-16 15:24:01,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 48601 states and 78863 transitions. [2022-10-16 15:24:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 15:24:01,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:01,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:01,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:24:01,567 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:24:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1931550530, now seen corresponding path program 1 times [2022-10-16 15:24:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:01,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569637654] [2022-10-16 15:24:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:01,711 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 15:24:01,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:01,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569637654] [2022-10-16 15:24:01,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569637654] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:01,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:01,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:24:01,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847830795] [2022-10-16 15:24:01,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:01,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:24:01,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:01,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:24:01,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:24:01,714 INFO L87 Difference]: Start difference. First operand 48601 states and 78863 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:05,370 INFO L93 Difference]: Finished difference Result 156818 states and 254806 transitions. [2022-10-16 15:24:05,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:24:05,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 15:24:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:05,651 INFO L225 Difference]: With dead ends: 156818 [2022-10-16 15:24:05,652 INFO L226 Difference]: Without dead ends: 108303 [2022-10-16 15:24:05,724 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 15:24:05,726 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 540 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:05,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 829 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:06,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108303 states. [2022-10-16 15:24:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108303 to 78234. [2022-10-16 15:24:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78234 states, 78208 states have (on average 1.6100271072013093) internal successors, (125917), 78233 states have internal predecessors, (125917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78234 states to 78234 states and 125917 transitions. [2022-10-16 15:24:09,325 INFO L78 Accepts]: Start accepts. Automaton has 78234 states and 125917 transitions. Word has length 79 [2022-10-16 15:24:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:09,325 INFO L495 AbstractCegarLoop]: Abstraction has 78234 states and 125917 transitions. [2022-10-16 15:24:09,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 78234 states and 125917 transitions. [2022-10-16 15:24:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:24:09,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:09,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:09,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:24:09,327 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:24:09,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:09,327 INFO L85 PathProgramCache]: Analyzing trace with hash 251476367, now seen corresponding path program 1 times [2022-10-16 15:24:09,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:09,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415345700] [2022-10-16 15:24:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:09,432 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 15:24:09,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:09,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415345700] [2022-10-16 15:24:09,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415345700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:09,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:09,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:24:09,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829957318] [2022-10-16 15:24:09,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:09,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:24:09,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:09,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:24:09,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:24:09,435 INFO L87 Difference]: Start difference. First operand 78234 states and 125917 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:13,350 INFO L93 Difference]: Finished difference Result 111835 states and 180365 transitions. [2022-10-16 15:24:13,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:24:13,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 15:24:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:13,589 INFO L225 Difference]: With dead ends: 111835 [2022-10-16 15:24:13,589 INFO L226 Difference]: Without dead ends: 111834 [2022-10-16 15:24:13,622 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 15:24:13,631 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 533 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:13,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 509 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:13,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111834 states. [2022-10-16 15:24:17,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111834 to 111592. [2022-10-16 15:24:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111592 states, 111566 states have (on average 1.6036606134485416) internal successors, (178914), 111591 states have internal predecessors, (178914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111592 states to 111592 states and 178914 transitions. [2022-10-16 15:24:18,232 INFO L78 Accepts]: Start accepts. Automaton has 111592 states and 178914 transitions. Word has length 80 [2022-10-16 15:24:18,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:18,232 INFO L495 AbstractCegarLoop]: Abstraction has 111592 states and 178914 transitions. [2022-10-16 15:24:18,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 111592 states and 178914 transitions. [2022-10-16 15:24:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:24:18,233 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:18,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:18,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:24:18,235 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:24:18,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash 698940798, now seen corresponding path program 1 times [2022-10-16 15:24:18,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:18,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701428933] [2022-10-16 15:24:18,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:18,355 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 15:24:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:18,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701428933] [2022-10-16 15:24:18,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701428933] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:18,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:18,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:24:18,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749121705] [2022-10-16 15:24:18,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:18,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:24:18,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:24:18,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:24:18,358 INFO L87 Difference]: Start difference. First operand 111592 states and 178914 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 15:24:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:26,222 INFO L93 Difference]: Finished difference Result 254940 states and 413018 transitions. [2022-10-16 15:24:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:24:26,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 90 [2022-10-16 15:24:26,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:26,969 INFO L225 Difference]: With dead ends: 254940 [2022-10-16 15:24:26,970 INFO L226 Difference]: Without dead ends: 254938 [2022-10-16 15:24:27,072 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 15:24:27,073 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 530 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:27,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 749 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:27,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254938 states. [2022-10-16 15:24:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254938 to 202308. [2022-10-16 15:24:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202308 states, 202282 states have (on average 1.602362049020674) internal successors, (324129), 202307 states have internal predecessors, (324129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202308 states to 202308 states and 324129 transitions. [2022-10-16 15:24:36,603 INFO L78 Accepts]: Start accepts. Automaton has 202308 states and 324129 transitions. Word has length 90 [2022-10-16 15:24:36,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:36,606 INFO L495 AbstractCegarLoop]: Abstraction has 202308 states and 324129 transitions. [2022-10-16 15:24:36,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 15:24:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 202308 states and 324129 transitions. [2022-10-16 15:24:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:24:36,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:36,619 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, 1, 1, 1, 1, 1, 1, 1, 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 15:24:36,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:24:36,619 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:24:36,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:36,620 INFO L85 PathProgramCache]: Analyzing trace with hash 192328957, now seen corresponding path program 1 times [2022-10-16 15:24:36,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:36,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341545968] [2022-10-16 15:24:36,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:36,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:36,749 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 15:24:36,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:36,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341545968] [2022-10-16 15:24:36,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341545968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:36,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:36,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:24:36,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243452729] [2022-10-16 15:24:36,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:36,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:24:36,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:36,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:24:36,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:24:36,751 INFO L87 Difference]: Start difference. First operand 202308 states and 324129 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 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 15:24:45,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:45,076 INFO L93 Difference]: Finished difference Result 258356 states and 415981 transitions. [2022-10-16 15:24:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:24:45,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 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 15:24:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:45,623 INFO L225 Difference]: With dead ends: 258356 [2022-10-16 15:24:45,623 INFO L226 Difference]: Without dead ends: 258354 [2022-10-16 15:24:45,681 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 15:24:45,692 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 525 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:45,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 516 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:45,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258354 states. [2022-10-16 15:24:56,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258354 to 258332. [2022-10-16 15:24:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258332 states, 258306 states have (on average 1.5939157433431665) internal successors, (411718), 258331 states have internal predecessors, (411718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258332 states to 258332 states and 411718 transitions. [2022-10-16 15:24:57,756 INFO L78 Accepts]: Start accepts. Automaton has 258332 states and 411718 transitions. Word has length 91 [2022-10-16 15:24:57,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:57,757 INFO L495 AbstractCegarLoop]: Abstraction has 258332 states and 411718 transitions. [2022-10-16 15:24:57,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 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 15:24:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 258332 states and 411718 transitions. [2022-10-16 15:24:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:24:57,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:57,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:57,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:24:57,759 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:24:57,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:57,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1667231072, now seen corresponding path program 1 times [2022-10-16 15:24:57,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:57,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766545399] [2022-10-16 15:24:57,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:57,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:57,952 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 15:24:57,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:57,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766545399] [2022-10-16 15:24:57,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766545399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:57,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:57,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:24:57,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25837228] [2022-10-16 15:24:57,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:57,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:24:57,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:57,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:24:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:24:57,956 INFO L87 Difference]: Start difference. First operand 258332 states and 411718 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 15:25:21,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:25:21,864 INFO L93 Difference]: Finished difference Result 824912 states and 1320868 transitions. [2022-10-16 15:25:21,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:25:21,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:25:21,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:25:23,374 INFO L225 Difference]: With dead ends: 824912 [2022-10-16 15:25:23,374 INFO L226 Difference]: Without dead ends: 580892 [2022-10-16 15:25:23,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:25:23,692 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 1204 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:25:23,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1481 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:25:24,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580892 states. [2022-10-16 15:25:49,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580892 to 475622. [2022-10-16 15:25:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475622 states, 475596 states have (on average 1.5779043557977779) internal successors, (750445), 475621 states have internal predecessors, (750445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475622 states to 475622 states and 750445 transitions. [2022-10-16 15:25:53,062 INFO L78 Accepts]: Start accepts. Automaton has 475622 states and 750445 transitions. Word has length 92 [2022-10-16 15:25:53,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:25:53,062 INFO L495 AbstractCegarLoop]: Abstraction has 475622 states and 750445 transitions. [2022-10-16 15:25:53,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 15:25:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 475622 states and 750445 transitions. [2022-10-16 15:25:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:25:53,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:25:53,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:25:53,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:25:53,065 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:25:53,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:25:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 144556383, now seen corresponding path program 1 times [2022-10-16 15:25:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:25:53,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240716900] [2022-10-16 15:25:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:25:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:25:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:25:53,189 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 15:25:53,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:25:53,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240716900] [2022-10-16 15:25:53,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240716900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:25:53,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:25:53,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:25:53,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510549844] [2022-10-16 15:25:53,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:25:53,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:25:53,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:25:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:25:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:25:53,191 INFO L87 Difference]: Start difference. First operand 475622 states and 750445 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:16,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:16,799 INFO L93 Difference]: Finished difference Result 633181 states and 1004495 transitions. [2022-10-16 15:26:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:26:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:26:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:18,631 INFO L225 Difference]: With dead ends: 633181 [2022-10-16 15:26:18,631 INFO L226 Difference]: Without dead ends: 633179 [2022-10-16 15:26:18,815 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 15:26:18,817 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 1119 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:18,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 939 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:26:19,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633179 states. [2022-10-16 15:26:51,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633179 to 633117. [2022-10-16 15:26:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633117 states, 633091 states have (on average 1.5682484824456515) internal successors, (992844), 633116 states have internal predecessors, (992844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)