/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.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:58:48,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:58:48,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:58:48,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:58:48,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:58:48,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:58:48,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:58:48,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:58:48,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:58:48,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:58:48,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:58:48,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:58:48,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:58:48,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:58:48,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:58:48,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:58:48,956 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:58:48,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:58:48,957 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:58:48,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:58:48,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:58:48,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:58:48,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:58:48,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:58:48,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:58:48,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:58:48,959 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:58:48,959 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:58:48,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:58:48,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:58:48,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:58:48,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:58:48,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:58:48,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:58:48,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:58:48,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:58:48,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:58:48,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:58:48,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:58:48,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:58:48,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:58:48,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:58:49,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:58:49,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:58:49,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:58:49,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:58:49,372 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:58:49,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2022-10-15 21:58:49,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46bb9acea/07d3d88aefbd4f0aa2803ee046fac652/FLAG07e344dd3 [2022-10-15 21:58:50,142 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:58:50,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2022-10-15 21:58:50,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46bb9acea/07d3d88aefbd4f0aa2803ee046fac652/FLAG07e344dd3 [2022-10-15 21:58:50,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46bb9acea/07d3d88aefbd4f0aa2803ee046fac652 [2022-10-15 21:58:50,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:58:50,474 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:58:50,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:58:50,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:58:50,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:58:50,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:50,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7febb884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50, skipping insertion in model container [2022-10-15 21:58:50,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:50,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:58:50,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:58:50,802 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.ufo.BOUNDED-6.pals.c[14371,14384] [2022-10-15 21:58:50,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:58:50,816 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:58:50,899 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.ufo.BOUNDED-6.pals.c[14371,14384] [2022-10-15 21:58:50,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:58:50,939 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:58:50,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50 WrapperNode [2022-10-15 21:58:50,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:58:50,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:58:50,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:58:50,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:58:50,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:50,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,030 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 513 [2022-10-15 21:58:51,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:58:51,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:58:51,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:58:51,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:58:51,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:58:51,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:58:51,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:58:51,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:58:51,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (1/1) ... [2022-10-15 21:58:51,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:58:51,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:58:51,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:58:51,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:58:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:58:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:58:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:58:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:58:51,395 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:58:51,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:58:52,333 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:58:52,356 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:58:52,356 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:58:52,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:58:52 BoogieIcfgContainer [2022-10-15 21:58:52,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:58:52,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:58:52,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:58:52,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:58:52,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:58:50" (1/3) ... [2022-10-15 21:58:52,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5460068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:58:52, skipping insertion in model container [2022-10-15 21:58:52,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:50" (2/3) ... [2022-10-15 21:58:52,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5460068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:58:52, skipping insertion in model container [2022-10-15 21:58:52,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:58:52" (3/3) ... [2022-10-15 21:58:52,387 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2022-10-15 21:58:52,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:58:52,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-15 21:58:52,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:58:52,506 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;@38af147a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:58:52,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-15 21:58:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 175 states have (on average 1.8) internal successors, (315), 209 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:58:52,524 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:52,525 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] [2022-10-15 21:58:52,526 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash 9211884, now seen corresponding path program 1 times [2022-10-15 21:58:52,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:52,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149410650] [2022-10-15 21:58:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:52,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:52,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:52,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149410650] [2022-10-15 21:58:52,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149410650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:52,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:52,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:58:52,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772452098] [2022-10-15 21:58:52,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:52,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:58:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:52,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:58:52,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:58:52,956 INFO L87 Difference]: Start difference. First operand has 210 states, 175 states have (on average 1.8) internal successors, (315), 209 states have internal predecessors, (315), 0 states have call successors, (0), 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) [2022-10-15 21:58:53,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:53,007 INFO L93 Difference]: Finished difference Result 361 states and 522 transitions. [2022-10-15 21:58:53,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:58:53,012 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 [2022-10-15 21:58:53,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:53,037 INFO L225 Difference]: With dead ends: 361 [2022-10-15 21:58:53,037 INFO L226 Difference]: Without dead ends: 205 [2022-10-15 21:58:53,044 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 [2022-10-15 21:58:53,052 INFO L413 NwaCegarLoop]: 312 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, 312 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:53,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:53,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-15 21:58:53,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-15 21:58:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 171 states have (on average 1.7953216374269005) internal successors, (307), 204 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 307 transitions. [2022-10-15 21:58:53,176 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 307 transitions. Word has length 22 [2022-10-15 21:58:53,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:53,177 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 307 transitions. [2022-10-15 21:58:53,179 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) [2022-10-15 21:58:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2022-10-15 21:58:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:58:53,181 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:53,181 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] [2022-10-15 21:58:53,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:58:53,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash 11058926, now seen corresponding path program 1 times [2022-10-15 21:58:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:53,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376411376] [2022-10-15 21:58:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:53,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:53,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:53,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376411376] [2022-10-15 21:58:53,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376411376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:53,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:53,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:58:53,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121641871] [2022-10-15 21:58:53,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:53,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:58:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:58:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:53,536 INFO L87 Difference]: Start difference. First operand 205 states and 307 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2022-10-15 21:58:53,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:53,653 INFO L93 Difference]: Finished difference Result 354 states and 510 transitions. [2022-10-15 21:58:53,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:58:53,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 [2022-10-15 21:58:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:53,657 INFO L225 Difference]: With dead ends: 354 [2022-10-15 21:58:53,657 INFO L226 Difference]: Without dead ends: 205 [2022-10-15 21:58:53,659 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 [2022-10-15 21:58:53,661 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 3 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1187 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 [2022-10-15 21:58:53,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1187 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:58:53,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-15 21:58:53,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-15 21:58:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 171 states have (on average 1.6198830409356726) internal successors, (277), 204 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2022-10-15 21:58:53,726 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 22 [2022-10-15 21:58:53,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:53,727 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2022-10-15 21:58:53,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2022-10-15 21:58:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2022-10-15 21:58:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 21:58:53,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:53,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:53,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:58:53,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash -181065752, now seen corresponding path program 1 times [2022-10-15 21:58:53,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:53,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103543081] [2022-10-15 21:58:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:53,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:54,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:54,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103543081] [2022-10-15 21:58:54,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103543081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:54,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:54,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:54,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928465546] [2022-10-15 21:58:54,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:54,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:54,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:54,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:54,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,012 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:54,065 INFO L93 Difference]: Finished difference Result 473 states and 640 transitions. [2022-10-15 21:58:54,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:54,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-15 21:58:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:54,069 INFO L225 Difference]: With dead ends: 473 [2022-10-15 21:58:54,069 INFO L226 Difference]: Without dead ends: 328 [2022-10-15 21:58:54,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,073 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 178 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 682 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 [2022-10-15 21:58:54,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 682 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:54,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-15 21:58:54,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 296. [2022-10-15 21:58:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 262 states have (on average 1.6793893129770991) internal successors, (440), 295 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 440 transitions. [2022-10-15 21:58:54,096 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 440 transitions. Word has length 51 [2022-10-15 21:58:54,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:54,097 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 440 transitions. [2022-10-15 21:58:54,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 440 transitions. [2022-10-15 21:58:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 21:58:54,103 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:54,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:54,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:58:54,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:54,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:54,107 INFO L85 PathProgramCache]: Analyzing trace with hash -711164714, now seen corresponding path program 1 times [2022-10-15 21:58:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:54,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275378910] [2022-10-15 21:58:54,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:54,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:54,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:54,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275378910] [2022-10-15 21:58:54,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275378910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:54,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:54,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:54,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217974579] [2022-10-15 21:58:54,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:54,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:54,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:54,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,330 INFO L87 Difference]: Start difference. First operand 296 states and 440 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:54,398 INFO L93 Difference]: Finished difference Result 651 states and 969 transitions. [2022-10-15 21:58:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:54,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-15 21:58:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:54,403 INFO L225 Difference]: With dead ends: 651 [2022-10-15 21:58:54,404 INFO L226 Difference]: Without dead ends: 415 [2022-10-15 21:58:54,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,419 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 156 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:54,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 500 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-10-15 21:58:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2022-10-15 21:58:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 356 states have (on average 1.6825842696629214) internal successors, (599), 389 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 599 transitions. [2022-10-15 21:58:54,456 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 599 transitions. Word has length 55 [2022-10-15 21:58:54,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:54,459 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 599 transitions. [2022-10-15 21:58:54,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 599 transitions. [2022-10-15 21:58:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 21:58:54,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:54,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:54,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:58:54,469 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:54,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:54,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1930410977, now seen corresponding path program 1 times [2022-10-15 21:58:54,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:54,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425033750] [2022-10-15 21:58:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:54,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:54,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425033750] [2022-10-15 21:58:54,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425033750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:54,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:54,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:54,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21781558] [2022-10-15 21:58:54,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:54,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:54,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,632 INFO L87 Difference]: Start difference. First operand 390 states and 599 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:54,694 INFO L93 Difference]: Finished difference Result 984 states and 1532 transitions. [2022-10-15 21:58:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:54,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 21:58:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:54,702 INFO L225 Difference]: With dead ends: 984 [2022-10-15 21:58:54,702 INFO L226 Difference]: Without dead ends: 656 [2022-10-15 21:58:54,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,707 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 172 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 665 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 [2022-10-15 21:58:54,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 665 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:54,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-10-15 21:58:54,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 624. [2022-10-15 21:58:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 590 states have (on average 1.7118644067796611) internal successors, (1010), 623 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 1010 transitions. [2022-10-15 21:58:54,755 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 1010 transitions. Word has length 57 [2022-10-15 21:58:54,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:54,758 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 1010 transitions. [2022-10-15 21:58:54,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1010 transitions. [2022-10-15 21:58:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:58:54,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:54,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:54,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:58:54,766 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:54,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash -69792753, now seen corresponding path program 1 times [2022-10-15 21:58:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:54,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097041895] [2022-10-15 21:58:54,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:54,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:54,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:54,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097041895] [2022-10-15 21:58:54,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097041895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:54,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:54,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:54,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298353181] [2022-10-15 21:58:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:54,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:54,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:54,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:54,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:54,917 INFO L87 Difference]: Start difference. First operand 624 states and 1010 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:54,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:54,999 INFO L93 Difference]: Finished difference Result 1500 states and 2435 transitions. [2022-10-15 21:58:54,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:55,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 21:58:55,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:55,008 INFO L225 Difference]: With dead ends: 1500 [2022-10-15 21:58:55,008 INFO L226 Difference]: Without dead ends: 938 [2022-10-15 21:58:55,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:55,012 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 174 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:55,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 513 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:55,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-10-15 21:58:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 903. [2022-10-15 21:58:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 869 states have (on average 1.718066743383199) internal successors, (1493), 902 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1493 transitions. [2022-10-15 21:58:55,055 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1493 transitions. Word has length 61 [2022-10-15 21:58:55,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:55,056 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1493 transitions. [2022-10-15 21:58:55,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:55,057 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1493 transitions. [2022-10-15 21:58:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:58:55,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:55,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:55,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:58:55,059 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:55,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:55,061 INFO L85 PathProgramCache]: Analyzing trace with hash -186422086, now seen corresponding path program 1 times [2022-10-15 21:58:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:55,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475017427] [2022-10-15 21:58:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:55,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:55,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475017427] [2022-10-15 21:58:55,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475017427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:55,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:55,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:55,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053119846] [2022-10-15 21:58:55,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:55,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:55,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:55,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:55,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:55,172 INFO L87 Difference]: Start difference. First operand 903 states and 1493 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:55,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:55,262 INFO L93 Difference]: Finished difference Result 2379 states and 3968 transitions. [2022-10-15 21:58:55,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:55,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 21:58:55,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:55,274 INFO L225 Difference]: With dead ends: 2379 [2022-10-15 21:58:55,274 INFO L226 Difference]: Without dead ends: 1550 [2022-10-15 21:58:55,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:55,279 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 166 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 648 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 [2022-10-15 21:58:55,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 648 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:55,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-10-15 21:58:55,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1518. [2022-10-15 21:58:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1484 states have (on average 1.7277628032345014) internal successors, (2564), 1517 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2564 transitions. [2022-10-15 21:58:55,374 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2564 transitions. Word has length 63 [2022-10-15 21:58:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:55,376 INFO L495 AbstractCegarLoop]: Abstraction has 1518 states and 2564 transitions. [2022-10-15 21:58:55,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2564 transitions. [2022-10-15 21:58:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 21:58:55,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:55,378 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] [2022-10-15 21:58:55,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:58:55,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:55,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:55,386 INFO L85 PathProgramCache]: Analyzing trace with hash -263866388, now seen corresponding path program 1 times [2022-10-15 21:58:55,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:55,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211818008] [2022-10-15 21:58:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:55,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:55,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:55,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211818008] [2022-10-15 21:58:55,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211818008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:55,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:55,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:55,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77396171] [2022-10-15 21:58:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:55,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:55,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:55,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:55,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:55,542 INFO L87 Difference]: Start difference. First operand 1518 states and 2564 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) [2022-10-15 21:58:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:55,642 INFO L93 Difference]: Finished difference Result 3729 states and 6317 transitions. [2022-10-15 21:58:55,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:55,642 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 [2022-10-15 21:58:55,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:55,656 INFO L225 Difference]: With dead ends: 3729 [2022-10-15 21:58:55,656 INFO L226 Difference]: Without dead ends: 2285 [2022-10-15 21:58:55,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:55,681 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 168 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:55,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 514 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2022-10-15 21:58:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2244. [2022-10-15 21:58:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2244 states, 2210 states have (on average 1.7262443438914028) internal successors, (3815), 2243 states have internal predecessors, (3815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3815 transitions. [2022-10-15 21:58:55,772 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3815 transitions. Word has length 66 [2022-10-15 21:58:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:55,773 INFO L495 AbstractCegarLoop]: Abstraction has 2244 states and 3815 transitions. [2022-10-15 21:58:55,773 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) [2022-10-15 21:58:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3815 transitions. [2022-10-15 21:58:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 21:58:55,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:55,774 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] [2022-10-15 21:58:55,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:58:55,775 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:55,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:55,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1340082111, now seen corresponding path program 1 times [2022-10-15 21:58:55,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:55,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416783832] [2022-10-15 21:58:55,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:55,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:55,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416783832] [2022-10-15 21:58:55,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416783832] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:55,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:55,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:55,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456075507] [2022-10-15 21:58:55,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:55,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:58:55,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:55,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:58:55,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:58:55,886 INFO L87 Difference]: Start difference. First operand 2244 states and 3815 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) [2022-10-15 21:58:56,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:56,233 INFO L93 Difference]: Finished difference Result 5189 states and 8891 transitions. [2022-10-15 21:58:56,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:58:56,234 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 [2022-10-15 21:58:56,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:56,269 INFO L225 Difference]: With dead ends: 5189 [2022-10-15 21:58:56,269 INFO L226 Difference]: Without dead ends: 5186 [2022-10-15 21:58:56,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:56,274 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 583 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 738 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 [2022-10-15 21:58:56,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 738 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:58:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5186 states. [2022-10-15 21:58:56,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5186 to 4148. [2022-10-15 21:58:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4148 states, 4114 states have (on average 1.7207097715119106) internal successors, (7079), 4147 states have internal predecessors, (7079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 4148 states and 7079 transitions. [2022-10-15 21:58:56,550 INFO L78 Accepts]: Start accepts. Automaton has 4148 states and 7079 transitions. Word has length 68 [2022-10-15 21:58:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:56,550 INFO L495 AbstractCegarLoop]: Abstraction has 4148 states and 7079 transitions. [2022-10-15 21:58:56,551 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) [2022-10-15 21:58:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 7079 transitions. [2022-10-15 21:58:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 21:58:56,552 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:56,552 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] [2022-10-15 21:58:56,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:58:56,553 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:56,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1407128147, now seen corresponding path program 1 times [2022-10-15 21:58:56,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:56,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033536542] [2022-10-15 21:58:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:56,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:56,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033536542] [2022-10-15 21:58:56,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033536542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:56,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:56,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:56,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745632364] [2022-10-15 21:58:56,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:56,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:58:56,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:58:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:58:56,715 INFO L87 Difference]: Start difference. First operand 4148 states and 7079 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) [2022-10-15 21:58:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:57,223 INFO L93 Difference]: Finished difference Result 5155 states and 8819 transitions. [2022-10-15 21:58:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:58:57,224 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 [2022-10-15 21:58:57,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:57,255 INFO L225 Difference]: With dead ends: 5155 [2022-10-15 21:58:57,255 INFO L226 Difference]: Without dead ends: 5152 [2022-10-15 21:58:57,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:57,259 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 580 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:57,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 510 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:58:57,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2022-10-15 21:58:57,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5124. [2022-10-15 21:58:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5124 states, 5090 states have (on average 1.7090373280943025) internal successors, (8699), 5123 states have internal predecessors, (8699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 8699 transitions. [2022-10-15 21:58:57,589 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 8699 transitions. Word has length 69 [2022-10-15 21:58:57,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:57,590 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 8699 transitions. [2022-10-15 21:58:57,590 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) [2022-10-15 21:58:57,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 8699 transitions. [2022-10-15 21:58:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:58:57,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:57,600 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] [2022-10-15 21:58:57,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:58:57,602 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:57,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:57,603 INFO L85 PathProgramCache]: Analyzing trace with hash 671300227, now seen corresponding path program 1 times [2022-10-15 21:58:57,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:57,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506413742] [2022-10-15 21:58:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:57,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:57,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506413742] [2022-10-15 21:58:57,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506413742] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:57,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:57,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:58:57,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434802909] [2022-10-15 21:58:57,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:57,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:58:57,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:57,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:58:57,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:57,781 INFO L87 Difference]: Start difference. First operand 5124 states and 8699 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) [2022-10-15 21:58:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:58,749 INFO L93 Difference]: Finished difference Result 16442 states and 27932 transitions. [2022-10-15 21:58:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:58:58,750 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 [2022-10-15 21:58:58,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:58,809 INFO L225 Difference]: With dead ends: 16442 [2022-10-15 21:58:58,809 INFO L226 Difference]: Without dead ends: 11404 [2022-10-15 21:58:58,819 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 [2022-10-15 21:58:58,820 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 1293 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:58,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 1474 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:58:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11404 states. [2022-10-15 21:58:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11404 to 9318. [2022-10-15 21:58:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9318 states, 9284 states have (on average 1.6863420939250322) internal successors, (15656), 9317 states have internal predecessors, (15656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9318 states to 9318 states and 15656 transitions. [2022-10-15 21:58:59,558 INFO L78 Accepts]: Start accepts. Automaton has 9318 states and 15656 transitions. Word has length 70 [2022-10-15 21:58:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:59,558 INFO L495 AbstractCegarLoop]: Abstraction has 9318 states and 15656 transitions. [2022-10-15 21:58:59,559 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) [2022-10-15 21:58:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 9318 states and 15656 transitions. [2022-10-15 21:58:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:58:59,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:59,561 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] [2022-10-15 21:58:59,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:58:59,561 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:58:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash -664528811, now seen corresponding path program 1 times [2022-10-15 21:58:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:59,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34961525] [2022-10-15 21:58:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:59,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:59,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:59,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34961525] [2022-10-15 21:58:59,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34961525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:59,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:59,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:58:59,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366598894] [2022-10-15 21:58:59,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:59,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:58:59,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:59,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:58:59,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:59,739 INFO L87 Difference]: Start difference. First operand 9318 states and 15656 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) [2022-10-15 21:59:00,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:00,697 INFO L93 Difference]: Finished difference Result 12231 states and 20606 transitions. [2022-10-15 21:59:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:59:00,698 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 [2022-10-15 21:59:00,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:00,744 INFO L225 Difference]: With dead ends: 12231 [2022-10-15 21:59:00,745 INFO L226 Difference]: Without dead ends: 12228 [2022-10-15 21:59:00,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:59:00,754 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1287 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:00,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 882 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:59:00,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12228 states. [2022-10-15 21:59:01,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12228 to 12150. [2022-10-15 21:59:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12150 states, 12116 states have (on average 1.673984813469792) internal successors, (20282), 12149 states have internal predecessors, (20282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12150 states to 12150 states and 20282 transitions. [2022-10-15 21:59:01,413 INFO L78 Accepts]: Start accepts. Automaton has 12150 states and 20282 transitions. Word has length 71 [2022-10-15 21:59:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:01,413 INFO L495 AbstractCegarLoop]: Abstraction has 12150 states and 20282 transitions. [2022-10-15 21:59:01,414 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) [2022-10-15 21:59:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 12150 states and 20282 transitions. [2022-10-15 21:59:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:59:01,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:01,415 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] [2022-10-15 21:59:01,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:59:01,416 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:01,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:01,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1337960055, now seen corresponding path program 1 times [2022-10-15 21:59:01,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:01,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821063259] [2022-10-15 21:59:01,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:01,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:01,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:01,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821063259] [2022-10-15 21:59:01,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821063259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:01,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:01,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:01,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223797052] [2022-10-15 21:59:01,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:01,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:01,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:01,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:01,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:01,647 INFO L87 Difference]: Start difference. First operand 12150 states and 20282 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) [2022-10-15 21:59:02,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:02,776 INFO L93 Difference]: Finished difference Result 32576 states and 54398 transitions. [2022-10-15 21:59:02,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:02,777 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 [2022-10-15 21:59:02,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:02,868 INFO L225 Difference]: With dead ends: 32576 [2022-10-15 21:59:02,868 INFO L226 Difference]: Without dead ends: 20512 [2022-10-15 21:59:02,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:02,896 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 569 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 798 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 [2022-10-15 21:59:02,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 798 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:02,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20512 states. [2022-10-15 21:59:04,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20512 to 17491. [2022-10-15 21:59:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17491 states, 17457 states have (on average 1.66053732027267) internal successors, (28988), 17490 states have internal predecessors, (28988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17491 states to 17491 states and 28988 transitions. [2022-10-15 21:59:04,145 INFO L78 Accepts]: Start accepts. Automaton has 17491 states and 28988 transitions. Word has length 73 [2022-10-15 21:59:04,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:04,145 INFO L495 AbstractCegarLoop]: Abstraction has 17491 states and 28988 transitions. [2022-10-15 21:59:04,146 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) [2022-10-15 21:59:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17491 states and 28988 transitions. [2022-10-15 21:59:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:59:04,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:04,147 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] [2022-10-15 21:59:04,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:59:04,148 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:04,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1472910616, now seen corresponding path program 1 times [2022-10-15 21:59:04,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:04,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70830441] [2022-10-15 21:59:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:04,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:04,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:04,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70830441] [2022-10-15 21:59:04,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70830441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:04,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:04,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:04,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977152409] [2022-10-15 21:59:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:04,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:04,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:04,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:04,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:04,260 INFO L87 Difference]: Start difference. First operand 17491 states and 28988 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) [2022-10-15 21:59:05,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:05,549 INFO L93 Difference]: Finished difference Result 24862 states and 41600 transitions. [2022-10-15 21:59:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:05,550 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 [2022-10-15 21:59:05,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:05,629 INFO L225 Difference]: With dead ends: 24862 [2022-10-15 21:59:05,629 INFO L226 Difference]: Without dead ends: 24861 [2022-10-15 21:59:05,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:05,641 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 566 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:05,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 486 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:59:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24861 states. [2022-10-15 21:59:07,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24861 to 24784. [2022-10-15 21:59:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24784 states, 24750 states have (on average 1.6683232323232324) internal successors, (41291), 24783 states have internal predecessors, (41291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24784 states to 24784 states and 41291 transitions. [2022-10-15 21:59:07,405 INFO L78 Accepts]: Start accepts. Automaton has 24784 states and 41291 transitions. Word has length 74 [2022-10-15 21:59:07,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:07,405 INFO L495 AbstractCegarLoop]: Abstraction has 24784 states and 41291 transitions. [2022-10-15 21:59:07,406 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) [2022-10-15 21:59:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 24784 states and 41291 transitions. [2022-10-15 21:59:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:59:07,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:07,407 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] [2022-10-15 21:59:07,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:59:07,408 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:07,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:07,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1872126250, now seen corresponding path program 1 times [2022-10-15 21:59:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:07,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030113294] [2022-10-15 21:59:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:07,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:07,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:07,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030113294] [2022-10-15 21:59:07,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030113294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:07,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:07,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:07,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330788940] [2022-10-15 21:59:07,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:07,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:07,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:07,530 INFO L87 Difference]: Start difference. First operand 24784 states and 41291 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) [2022-10-15 21:59:09,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:09,311 INFO L93 Difference]: Finished difference Result 65152 states and 108944 transitions. [2022-10-15 21:59:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:09,312 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 [2022-10-15 21:59:09,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:09,484 INFO L225 Difference]: With dead ends: 65152 [2022-10-15 21:59:09,485 INFO L226 Difference]: Without dead ends: 40454 [2022-10-15 21:59:09,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:09,532 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 574 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 798 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 [2022-10-15 21:59:09,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 798 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40454 states. [2022-10-15 21:59:11,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40454 to 34489. [2022-10-15 21:59:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34489 states, 34455 states have (on average 1.6594688724423161) internal successors, (57177), 34488 states have internal predecessors, (57177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:11,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34489 states to 34489 states and 57177 transitions. [2022-10-15 21:59:11,465 INFO L78 Accepts]: Start accepts. Automaton has 34489 states and 57177 transitions. Word has length 76 [2022-10-15 21:59:11,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:11,466 INFO L495 AbstractCegarLoop]: Abstraction has 34489 states and 57177 transitions. [2022-10-15 21:59:11,466 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) [2022-10-15 21:59:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34489 states and 57177 transitions. [2022-10-15 21:59:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:59:11,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:11,467 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] [2022-10-15 21:59:11,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:59:11,468 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:11,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2093627748, now seen corresponding path program 1 times [2022-10-15 21:59:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:11,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819556446] [2022-10-15 21:59:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:11,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:11,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:11,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819556446] [2022-10-15 21:59:11,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819556446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:11,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:11,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:11,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116432006] [2022-10-15 21:59:11,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:11,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:11,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:11,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:11,606 INFO L87 Difference]: Start difference. First operand 34489 states and 57177 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) [2022-10-15 21:59:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:13,359 INFO L93 Difference]: Finished difference Result 50314 states and 83895 transitions. [2022-10-15 21:59:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:13,359 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 [2022-10-15 21:59:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:13,537 INFO L225 Difference]: With dead ends: 50314 [2022-10-15 21:59:13,537 INFO L226 Difference]: Without dead ends: 50313 [2022-10-15 21:59:13,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:13,559 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 564 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 489 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 [2022-10-15 21:59:13,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 489 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:13,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50313 states. [2022-10-15 21:59:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50313 to 50182. [2022-10-15 21:59:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50182 states, 50148 states have (on average 1.6604052006062056) internal successors, (83266), 50181 states have internal predecessors, (83266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50182 states to 50182 states and 83266 transitions. [2022-10-15 21:59:16,405 INFO L78 Accepts]: Start accepts. Automaton has 50182 states and 83266 transitions. Word has length 77 [2022-10-15 21:59:16,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:16,405 INFO L495 AbstractCegarLoop]: Abstraction has 50182 states and 83266 transitions. [2022-10-15 21:59:16,406 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) [2022-10-15 21:59:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 50182 states and 83266 transitions. [2022-10-15 21:59:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:59:16,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:16,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:16,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:59:16,408 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:16,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1931550530, now seen corresponding path program 1 times [2022-10-15 21:59:16,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:16,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53715699] [2022-10-15 21:59:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:16,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:16,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:16,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53715699] [2022-10-15 21:59:16,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53715699] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:16,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:16,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:16,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961990868] [2022-10-15 21:59:16,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:16,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:16,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:16,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:16,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:16,594 INFO L87 Difference]: Start difference. First operand 50182 states and 83266 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:20,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:20,881 INFO L93 Difference]: Finished difference Result 161676 states and 269016 transitions. [2022-10-15 21:59:20,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:20,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 21:59:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:21,189 INFO L225 Difference]: With dead ends: 161676 [2022-10-15 21:59:21,190 INFO L226 Difference]: Without dead ends: 111580 [2022-10-15 21:59:21,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:21,322 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 570 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:21,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 869 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:21,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111580 states. [2022-10-15 21:59:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111580 to 80655. [2022-10-15 21:59:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80655 states, 80621 states have (on average 1.6499671301521937) internal successors, (133022), 80654 states have internal predecessors, (133022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80655 states to 80655 states and 133022 transitions. [2022-10-15 21:59:25,809 INFO L78 Accepts]: Start accepts. Automaton has 80655 states and 133022 transitions. Word has length 79 [2022-10-15 21:59:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:25,809 INFO L495 AbstractCegarLoop]: Abstraction has 80655 states and 133022 transitions. [2022-10-15 21:59:25,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 80655 states and 133022 transitions. [2022-10-15 21:59:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:59:25,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:25,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:25,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:59:25,811 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:25,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:25,812 INFO L85 PathProgramCache]: Analyzing trace with hash 251476367, now seen corresponding path program 1 times [2022-10-15 21:59:25,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:25,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707008128] [2022-10-15 21:59:25,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:25,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:25,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:25,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:25,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707008128] [2022-10-15 21:59:25,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707008128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:25,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:25,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:25,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947241748] [2022-10-15 21:59:25,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:25,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:25,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:25,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:25,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:25,913 INFO L87 Difference]: Start difference. First operand 80655 states and 133022 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:29,714 INFO L93 Difference]: Finished difference Result 115224 states and 190522 transitions. [2022-10-15 21:59:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 21:59:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:29,983 INFO L225 Difference]: With dead ends: 115224 [2022-10-15 21:59:29,983 INFO L226 Difference]: Without dead ends: 115223 [2022-10-15 21:59:30,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:30,017 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 563 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 529 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 [2022-10-15 21:59:30,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 529 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:30,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115223 states. [2022-10-15 21:59:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115223 to 114973. [2022-10-15 21:59:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114973 states, 114939 states have (on average 1.644968200523756) internal successors, (189071), 114972 states have internal predecessors, (189071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114973 states to 114973 states and 189071 transitions. [2022-10-15 21:59:35,409 INFO L78 Accepts]: Start accepts. Automaton has 114973 states and 189071 transitions. Word has length 80 [2022-10-15 21:59:35,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:35,410 INFO L495 AbstractCegarLoop]: Abstraction has 114973 states and 189071 transitions. [2022-10-15 21:59:35,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 114973 states and 189071 transitions. [2022-10-15 21:59:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:59:35,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:35,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:35,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:59:35,412 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:59:35,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:35,413 INFO L85 PathProgramCache]: Analyzing trace with hash 698940798, now seen corresponding path program 1 times [2022-10-15 21:59:35,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:35,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462733985] [2022-10-15 21:59:35,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:35,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:35,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:35,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462733985] [2022-10-15 21:59:35,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462733985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:35,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:35,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:35,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118155489] [2022-10-15 21:59:35,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:35,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:35,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:35,554 INFO L87 Difference]: Start difference. First operand 114973 states and 189071 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)