/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:22:14,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:22:14,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:22:14,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:22:14,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:22:14,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:22:14,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:22:14,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:22:14,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:22:14,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:22:14,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:22:14,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:22:14,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:22:14,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:22:14,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:22:14,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:22:14,797 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:22:14,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:22:14,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:22:14,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:22:14,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:22:14,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:22:14,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:22:14,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:22:14,801 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:22:14,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:22:14,801 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:22:14,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:22:14,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:22:14,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:22:14,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:22:14,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:22:14,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:22:14,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:22:14,803 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:22:14,803 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:22:14,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:22:14,804 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:22:14,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:22:14,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:22:14,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:22:14,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:22:14,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:22:14,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:22:14,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:22:14,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:22:14,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:22:14,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:22:14,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:22:14,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:22:15,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:22:15,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:22:15,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:22:15,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:22:15,235 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:22:15,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:22:15,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3875fe4f3/dcdd439eb947422daf68f4e25ec314b4/FLAGd53674a07 [2022-10-15 22:22:16,092 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:22:16,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:22:16,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3875fe4f3/dcdd439eb947422daf68f4e25ec314b4/FLAGd53674a07 [2022-10-15 22:22:16,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3875fe4f3/dcdd439eb947422daf68f4e25ec314b4 [2022-10-15 22:22:16,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:22:16,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:22:16,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:22:16,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:22:16,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:22:16,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:22:16" (1/1) ... [2022-10-15 22:22:16,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a11c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:16, skipping insertion in model container [2022-10-15 22:22:16,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:22:16" (1/1) ... [2022-10-15 22:22:16,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:22:16,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:22:16,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15440,15453] [2022-10-15 22:22:17,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:22:17,110 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:22:17,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15440,15453] [2022-10-15 22:22:17,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:22:17,434 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:22:17,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17 WrapperNode [2022-10-15 22:22:17,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:22:17,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:22:17,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:22:17,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:22:17,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,600 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1382 [2022-10-15 22:22:17,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:22:17,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:22:17,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:22:17,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:22:17,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:22:17,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:22:17,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:22:17,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:22:17,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (1/1) ... [2022-10-15 22:22:17,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:22:17,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:22:17,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:22:17,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:22:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:22:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:22:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:22:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:22:17,963 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:22:17,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:22:19,545 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:22:19,559 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:22:19,560 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:22:19,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:22:19 BoogieIcfgContainer [2022-10-15 22:22:19,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:22:19,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:22:19,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:22:19,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:22:19,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:22:16" (1/3) ... [2022-10-15 22:22:19,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152169b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:22:19, skipping insertion in model container [2022-10-15 22:22:19,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:17" (2/3) ... [2022-10-15 22:22:19,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152169b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:22:19, skipping insertion in model container [2022-10-15 22:22:19,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:22:19" (3/3) ... [2022-10-15 22:22:19,574 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:22:19,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:22:19,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-15 22:22:19,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:22:19,685 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;@73ccd93f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:22:19,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-15 22:22:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 566 states, 445 states have (on average 1.8404494382022472) internal successors, (819), 565 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:22:19,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:19,707 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 22:22:19,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:19,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:19,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1960019294, now seen corresponding path program 1 times [2022-10-15 22:22:19,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:19,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427700410] [2022-10-15 22:22:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:20,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:20,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427700410] [2022-10-15 22:22:20,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427700410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:20,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:20,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:22:20,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338014961] [2022-10-15 22:22:20,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:20,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:20,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:20,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:20,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:20,397 INFO L87 Difference]: Start difference. First operand has 566 states, 445 states have (on average 1.8404494382022472) internal successors, (819), 565 states have internal predecessors, (819), 0 states have call successors, (0), 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 3 states, 2 states have (on average 30.5) 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 22:22:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:20,909 INFO L93 Difference]: Finished difference Result 796 states and 1153 transitions. [2022-10-15 22:22:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:22:20,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) 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 22:22:20,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:20,954 INFO L225 Difference]: With dead ends: 796 [2022-10-15 22:22:20,954 INFO L226 Difference]: Without dead ends: 758 [2022-10-15 22:22:20,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:20,965 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 725 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:20,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 875 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:22:20,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-10-15 22:22:21,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 720. [2022-10-15 22:22:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 624 states have (on average 1.5961538461538463) internal successors, (996), 719 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 996 transitions. [2022-10-15 22:22:21,145 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 996 transitions. Word has length 61 [2022-10-15 22:22:21,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:21,146 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 996 transitions. [2022-10-15 22:22:21,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) 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 22:22:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 996 transitions. [2022-10-15 22:22:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:22:21,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:21,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:21,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:22:21,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:21,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash -631055694, now seen corresponding path program 1 times [2022-10-15 22:22:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:21,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822299203] [2022-10-15 22:22:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:21,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:21,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822299203] [2022-10-15 22:22:21,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822299203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:21,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:21,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:22:21,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148719656] [2022-10-15 22:22:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:21,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:21,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:21,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:21,372 INFO L87 Difference]: Start difference. First operand 720 states and 996 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:21,692 INFO L93 Difference]: Finished difference Result 763 states and 996 transitions. [2022-10-15 22:22:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:22:21,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:22:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:21,699 INFO L225 Difference]: With dead ends: 763 [2022-10-15 22:22:21,699 INFO L226 Difference]: Without dead ends: 752 [2022-10-15 22:22:21,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:21,707 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 612 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:21,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 784 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:21,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2022-10-15 22:22:21,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 714. [2022-10-15 22:22:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 624 states have (on average 1.578525641025641) internal successors, (985), 713 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 985 transitions. [2022-10-15 22:22:21,759 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 985 transitions. Word has length 62 [2022-10-15 22:22:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:21,761 INFO L495 AbstractCegarLoop]: Abstraction has 714 states and 985 transitions. [2022-10-15 22:22:21,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 985 transitions. [2022-10-15 22:22:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:22:21,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:21,771 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 22:22:21,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:22:21,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:21,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1912110244, now seen corresponding path program 1 times [2022-10-15 22:22:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:21,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503490283] [2022-10-15 22:22:21,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:21,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:22,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:22,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503490283] [2022-10-15 22:22:22,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503490283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:22,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:22,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:22,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915024363] [2022-10-15 22:22:22,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:22,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:22,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:22,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:22,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:22,028 INFO L87 Difference]: Start difference. First operand 714 states and 985 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 22:22:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:22,715 INFO L93 Difference]: Finished difference Result 1711 states and 2379 transitions. [2022-10-15 22:22:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:22:22,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 22:22:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:22,729 INFO L225 Difference]: With dead ends: 1711 [2022-10-15 22:22:22,729 INFO L226 Difference]: Without dead ends: 1412 [2022-10-15 22:22:22,738 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 22:22:22,744 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 2431 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 1897 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:22,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 1897 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:22:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-10-15 22:22:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 975. [2022-10-15 22:22:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 891 states have (on average 1.5892255892255893) internal successors, (1416), 974 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1416 transitions. [2022-10-15 22:22:22,816 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1416 transitions. Word has length 63 [2022-10-15 22:22:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:22,817 INFO L495 AbstractCegarLoop]: Abstraction has 975 states and 1416 transitions. [2022-10-15 22:22:22,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 22:22:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1416 transitions. [2022-10-15 22:22:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:22:22,822 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:22,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:22,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:22:22,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:22,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash -854124300, now seen corresponding path program 1 times [2022-10-15 22:22:22,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:22,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853561836] [2022-10-15 22:22:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:23,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:23,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853561836] [2022-10-15 22:22:23,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853561836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:23,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:23,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:23,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092307066] [2022-10-15 22:22:23,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:23,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:23,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:23,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:23,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:23,063 INFO L87 Difference]: Start difference. First operand 975 states and 1416 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:23,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:23,565 INFO L93 Difference]: Finished difference Result 1624 states and 2375 transitions. [2022-10-15 22:22:23,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:22:23,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:22:23,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:23,576 INFO L225 Difference]: With dead ends: 1624 [2022-10-15 22:22:23,576 INFO L226 Difference]: Without dead ends: 1608 [2022-10-15 22:22:23,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:22:23,578 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 2984 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:23,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 1164 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:22:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2022-10-15 22:22:23,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1528. [2022-10-15 22:22:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1450 states have (on average 1.6082758620689654) internal successors, (2332), 1527 states have internal predecessors, (2332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2332 transitions. [2022-10-15 22:22:23,687 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2332 transitions. Word has length 64 [2022-10-15 22:22:23,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:23,688 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 2332 transitions. [2022-10-15 22:22:23,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2332 transitions. [2022-10-15 22:22:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:22:23,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:23,689 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 22:22:23,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:22:23,690 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:23,691 INFO L85 PathProgramCache]: Analyzing trace with hash -474689706, now seen corresponding path program 1 times [2022-10-15 22:22:23,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:23,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489141823] [2022-10-15 22:22:23,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:23,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:23,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489141823] [2022-10-15 22:22:23,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489141823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:23,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:23,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:23,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335418320] [2022-10-15 22:22:23,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:23,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:23,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:23,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:23,807 INFO L87 Difference]: Start difference. First operand 1528 states and 2332 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 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 22:22:24,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:24,181 INFO L93 Difference]: Finished difference Result 2007 states and 3058 transitions. [2022-10-15 22:22:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:24,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 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 22:22:24,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:24,196 INFO L225 Difference]: With dead ends: 2007 [2022-10-15 22:22:24,196 INFO L226 Difference]: Without dead ends: 2004 [2022-10-15 22:22:24,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:24,199 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 867 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:24,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 1120 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:24,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2022-10-15 22:22:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1525. [2022-10-15 22:22:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1450 states have (on average 1.6062068965517242) internal successors, (2329), 1524 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2329 transitions. [2022-10-15 22:22:24,335 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2329 transitions. Word has length 66 [2022-10-15 22:22:24,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:24,337 INFO L495 AbstractCegarLoop]: Abstraction has 1525 states and 2329 transitions. [2022-10-15 22:22:24,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 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 22:22:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2329 transitions. [2022-10-15 22:22:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:22:24,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:24,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:24,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:22:24,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1830478711, now seen corresponding path program 1 times [2022-10-15 22:22:24,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:24,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161480476] [2022-10-15 22:22:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:24,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:24,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:24,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161480476] [2022-10-15 22:22:24,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161480476] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:24,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:24,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:24,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247728626] [2022-10-15 22:22:24,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:24,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:24,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:24,461 INFO L87 Difference]: Start difference. First operand 1525 states and 2329 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:24,849 INFO L93 Difference]: Finished difference Result 2371 states and 3677 transitions. [2022-10-15 22:22:24,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:24,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:22:24,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:24,862 INFO L225 Difference]: With dead ends: 2371 [2022-10-15 22:22:24,863 INFO L226 Difference]: Without dead ends: 2366 [2022-10-15 22:22:24,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:24,867 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 1467 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:24,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 829 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2022-10-15 22:22:25,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2318. [2022-10-15 22:22:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2246 states have (on average 1.6251113089937668) internal successors, (3650), 2317 states have internal predecessors, (3650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3650 transitions. [2022-10-15 22:22:25,052 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3650 transitions. Word has length 67 [2022-10-15 22:22:25,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:25,053 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 3650 transitions. [2022-10-15 22:22:25,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3650 transitions. [2022-10-15 22:22:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:22:25,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:25,054 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 22:22:25,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:22:25,055 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:25,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:25,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1846559371, now seen corresponding path program 1 times [2022-10-15 22:22:25,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:25,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470237624] [2022-10-15 22:22:25,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:25,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:25,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:25,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470237624] [2022-10-15 22:22:25,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470237624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:25,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:25,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:25,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068936118] [2022-10-15 22:22:25,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:25,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:25,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:25,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:25,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:25,158 INFO L87 Difference]: Start difference. First operand 2318 states and 3650 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 22:22:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:25,584 INFO L93 Difference]: Finished difference Result 3093 states and 4885 transitions. [2022-10-15 22:22:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:25,584 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 22:22:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:25,601 INFO L225 Difference]: With dead ends: 3093 [2022-10-15 22:22:25,601 INFO L226 Difference]: Without dead ends: 3090 [2022-10-15 22:22:25,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:25,603 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 873 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:25,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 1087 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:25,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2022-10-15 22:22:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2315. [2022-10-15 22:22:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2246 states have (on average 1.6237756010685664) internal successors, (3647), 2314 states have internal predecessors, (3647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3647 transitions. [2022-10-15 22:22:25,766 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3647 transitions. Word has length 69 [2022-10-15 22:22:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:25,766 INFO L495 AbstractCegarLoop]: Abstraction has 2315 states and 3647 transitions. [2022-10-15 22:22:25,767 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 22:22:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3647 transitions. [2022-10-15 22:22:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:22:25,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:25,768 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 22:22:25,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:22:25,768 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:25,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1408765947, now seen corresponding path program 1 times [2022-10-15 22:22:25,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:25,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842709583] [2022-10-15 22:22:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:25,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:25,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842709583] [2022-10-15 22:22:25,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842709583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:25,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:25,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:25,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594062577] [2022-10-15 22:22:25,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:25,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:25,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:25,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:25,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:25,872 INFO L87 Difference]: Start difference. First operand 2315 states and 3647 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 22:22:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:26,401 INFO L93 Difference]: Finished difference Result 3817 states and 6099 transitions. [2022-10-15 22:22:26,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:26,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 22:22:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:26,423 INFO L225 Difference]: With dead ends: 3817 [2022-10-15 22:22:26,423 INFO L226 Difference]: Without dead ends: 3812 [2022-10-15 22:22:26,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:26,428 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 1429 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:26,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 808 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-10-15 22:22:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3758. [2022-10-15 22:22:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3758 states, 3692 states have (on average 1.640032502708559) internal successors, (6055), 3757 states have internal predecessors, (6055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3758 states and 6055 transitions. [2022-10-15 22:22:26,770 INFO L78 Accepts]: Start accepts. Automaton has 3758 states and 6055 transitions. Word has length 70 [2022-10-15 22:22:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:26,770 INFO L495 AbstractCegarLoop]: Abstraction has 3758 states and 6055 transitions. [2022-10-15 22:22:26,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 22:22:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 6055 transitions. [2022-10-15 22:22:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:22:26,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:26,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:26,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:22:26,772 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash 909386333, now seen corresponding path program 1 times [2022-10-15 22:22:26,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:26,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939089667] [2022-10-15 22:22:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:26,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:26,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:26,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939089667] [2022-10-15 22:22:26,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939089667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:26,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:26,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:26,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373764658] [2022-10-15 22:22:26,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:26,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:26,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:26,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:26,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:26,876 INFO L87 Difference]: Start difference. First operand 3758 states and 6055 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:27,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:27,468 INFO L93 Difference]: Finished difference Result 6894 states and 11231 transitions. [2022-10-15 22:22:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:27,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:22:27,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:27,510 INFO L225 Difference]: With dead ends: 6894 [2022-10-15 22:22:27,510 INFO L226 Difference]: Without dead ends: 6891 [2022-10-15 22:22:27,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:27,514 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 874 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:27,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 1618 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2022-10-15 22:22:27,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 3755. [2022-10-15 22:22:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3692 states have (on average 1.6392199349945829) internal successors, (6052), 3754 states have internal predecessors, (6052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 6052 transitions. [2022-10-15 22:22:27,858 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 6052 transitions. Word has length 72 [2022-10-15 22:22:27,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:27,858 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 6052 transitions. [2022-10-15 22:22:27,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 6052 transitions. [2022-10-15 22:22:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:22:27,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:27,860 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 22:22:27,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:22:27,860 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:27,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:27,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1873794448, now seen corresponding path program 1 times [2022-10-15 22:22:27,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:27,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669191196] [2022-10-15 22:22:27,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:27,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:27,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:27,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669191196] [2022-10-15 22:22:27,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669191196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:27,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:27,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:27,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820583922] [2022-10-15 22:22:27,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:27,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:27,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:27,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:27,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:27,963 INFO L87 Difference]: Start difference. First operand 3755 states and 6052 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 22:22:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:28,694 INFO L93 Difference]: Finished difference Result 7011 states and 11428 transitions. [2022-10-15 22:22:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:28,695 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 22:22:28,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:28,730 INFO L225 Difference]: With dead ends: 7011 [2022-10-15 22:22:28,730 INFO L226 Difference]: Without dead ends: 7006 [2022-10-15 22:22:28,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:28,734 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1136 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:28,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 1116 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7006 states. [2022-10-15 22:22:29,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7006 to 6936. [2022-10-15 22:22:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 6876 states have (on average 1.649650959860384) internal successors, (11343), 6935 states have internal predecessors, (11343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 11343 transitions. [2022-10-15 22:22:29,407 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 11343 transitions. Word has length 73 [2022-10-15 22:22:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:29,407 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 11343 transitions. [2022-10-15 22:22:29,407 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 22:22:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 11343 transitions. [2022-10-15 22:22:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:22:29,408 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:29,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:29,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:22:29,409 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:29,410 INFO L85 PathProgramCache]: Analyzing trace with hash 790505342, now seen corresponding path program 1 times [2022-10-15 22:22:29,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:29,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188572963] [2022-10-15 22:22:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:29,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:29,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188572963] [2022-10-15 22:22:29,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188572963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:29,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:29,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:29,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107675141] [2022-10-15 22:22:29,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:29,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:29,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:29,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:29,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:29,521 INFO L87 Difference]: Start difference. First operand 6936 states and 11343 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:30,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:30,887 INFO L93 Difference]: Finished difference Result 18590 states and 30671 transitions. [2022-10-15 22:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:30,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:22:30,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:30,950 INFO L225 Difference]: With dead ends: 18590 [2022-10-15 22:22:30,950 INFO L226 Difference]: Without dead ends: 18583 [2022-10-15 22:22:30,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:30,961 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 1115 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:30,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1932 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18583 states. [2022-10-15 22:22:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18583 to 12717. [2022-10-15 22:22:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12717 states, 12660 states have (on average 1.6511848341232227) internal successors, (20904), 12716 states have internal predecessors, (20904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12717 states to 12717 states and 20904 transitions. [2022-10-15 22:22:32,296 INFO L78 Accepts]: Start accepts. Automaton has 12717 states and 20904 transitions. Word has length 83 [2022-10-15 22:22:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:32,296 INFO L495 AbstractCegarLoop]: Abstraction has 12717 states and 20904 transitions. [2022-10-15 22:22:32,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 12717 states and 20904 transitions. [2022-10-15 22:22:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:22:32,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:32,298 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] [2022-10-15 22:22:32,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:22:32,298 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:32,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1264137842, now seen corresponding path program 1 times [2022-10-15 22:22:32,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:32,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107713534] [2022-10-15 22:22:32,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:32,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:32,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:32,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107713534] [2022-10-15 22:22:32,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107713534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:32,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:32,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214207115] [2022-10-15 22:22:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:32,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:32,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:32,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:32,431 INFO L87 Difference]: Start difference. First operand 12717 states and 20904 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:34,258 INFO L93 Difference]: Finished difference Result 19028 states and 31352 transitions. [2022-10-15 22:22:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:34,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-15 22:22:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:34,321 INFO L225 Difference]: With dead ends: 19028 [2022-10-15 22:22:34,321 INFO L226 Difference]: Without dead ends: 19021 [2022-10-15 22:22:34,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:34,333 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1387 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:34,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 943 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:34,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19021 states. [2022-10-15 22:22:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19021 to 18984. [2022-10-15 22:22:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18984 states, 18930 states have (on average 1.6449550977284733) internal successors, (31139), 18983 states have internal predecessors, (31139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18984 states to 18984 states and 31139 transitions. [2022-10-15 22:22:35,860 INFO L78 Accepts]: Start accepts. Automaton has 18984 states and 31139 transitions. Word has length 84 [2022-10-15 22:22:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:35,861 INFO L495 AbstractCegarLoop]: Abstraction has 18984 states and 31139 transitions. [2022-10-15 22:22:35,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 18984 states and 31139 transitions. [2022-10-15 22:22:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:22:35,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:35,863 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] [2022-10-15 22:22:35,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:22:35,863 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:35,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:35,864 INFO L85 PathProgramCache]: Analyzing trace with hash -533567104, now seen corresponding path program 1 times [2022-10-15 22:22:35,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:35,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260347030] [2022-10-15 22:22:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:35,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:35,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:35,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260347030] [2022-10-15 22:22:35,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260347030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:35,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:35,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:35,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415181021] [2022-10-15 22:22:35,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:35,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:35,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:35,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:35,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:35,992 INFO L87 Difference]: Start difference. First operand 18984 states and 31139 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:40,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:40,204 INFO L93 Difference]: Finished difference Result 67427 states and 110883 transitions. [2022-10-15 22:22:40,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:22:40,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-15 22:22:40,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:40,527 INFO L225 Difference]: With dead ends: 67427 [2022-10-15 22:22:40,527 INFO L226 Difference]: Without dead ends: 49065 [2022-10-15 22:22:40,569 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 22:22:40,570 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 2119 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2119 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:40,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2119 Valid, 3130 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:22:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49065 states. [2022-10-15 22:22:43,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49065 to 37347. [2022-10-15 22:22:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37347 states, 37296 states have (on average 1.6356177606177607) internal successors, (61002), 37346 states have internal predecessors, (61002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37347 states to 37347 states and 61002 transitions. [2022-10-15 22:22:44,090 INFO L78 Accepts]: Start accepts. Automaton has 37347 states and 61002 transitions. Word has length 85 [2022-10-15 22:22:44,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:44,090 INFO L495 AbstractCegarLoop]: Abstraction has 37347 states and 61002 transitions. [2022-10-15 22:22:44,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 37347 states and 61002 transitions. [2022-10-15 22:22:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:22:44,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:44,092 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] [2022-10-15 22:22:44,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:22:44,092 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:44,093 INFO L85 PathProgramCache]: Analyzing trace with hash 639289296, now seen corresponding path program 1 times [2022-10-15 22:22:44,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:44,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142314795] [2022-10-15 22:22:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:44,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:44,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:44,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142314795] [2022-10-15 22:22:44,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142314795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:44,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:44,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:44,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352458537] [2022-10-15 22:22:44,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:44,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:44,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:44,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:44,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:44,220 INFO L87 Difference]: Start difference. First operand 37347 states and 61002 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:48,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:48,670 INFO L93 Difference]: Finished difference Result 49988 states and 81798 transitions. [2022-10-15 22:22:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:22:48,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-15 22:22:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:48,816 INFO L225 Difference]: With dead ends: 49988 [2022-10-15 22:22:48,816 INFO L226 Difference]: Without dead ends: 49981 [2022-10-15 22:22:48,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:22:48,835 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2142 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:48,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2142 Valid, 1626 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:22:48,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49981 states. [2022-10-15 22:22:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49981 to 49888. [2022-10-15 22:22:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49888 states, 49840 states have (on average 1.6287118780096308) internal successors, (81175), 49887 states have internal predecessors, (81175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:52,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49888 states to 49888 states and 81175 transitions. [2022-10-15 22:22:52,969 INFO L78 Accepts]: Start accepts. Automaton has 49888 states and 81175 transitions. Word has length 86 [2022-10-15 22:22:52,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:52,969 INFO L495 AbstractCegarLoop]: Abstraction has 49888 states and 81175 transitions. [2022-10-15 22:22:52,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 49888 states and 81175 transitions. [2022-10-15 22:22:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 22:22:52,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:52,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:52,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:22:52,975 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:52,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:52,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2135936049, now seen corresponding path program 1 times [2022-10-15 22:22:52,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:52,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769147896] [2022-10-15 22:22:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:52,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:53,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:53,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:53,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769147896] [2022-10-15 22:22:53,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769147896] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:53,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:53,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:53,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866657149] [2022-10-15 22:22:53,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:53,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:53,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:53,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:53,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:53,185 INFO L87 Difference]: Start difference. First operand 49888 states and 81175 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:01,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:01,581 INFO L93 Difference]: Finished difference Result 134182 states and 218891 transitions. [2022-10-15 22:23:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2022-10-15 22:23:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:01,844 INFO L225 Difference]: With dead ends: 134182 [2022-10-15 22:23:01,844 INFO L226 Difference]: Without dead ends: 96328 [2022-10-15 22:23:01,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:01,915 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 414 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:01,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1116 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96328 states. [2022-10-15 22:23:10,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96328 to 96125. [2022-10-15 22:23:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96125 states, 96077 states have (on average 1.6300467333492927) internal successors, (156610), 96124 states have internal predecessors, (156610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96125 states to 96125 states and 156610 transitions. [2022-10-15 22:23:10,834 INFO L78 Accepts]: Start accepts. Automaton has 96125 states and 156610 transitions. Word has length 214 [2022-10-15 22:23:10,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:10,835 INFO L495 AbstractCegarLoop]: Abstraction has 96125 states and 156610 transitions. [2022-10-15 22:23:10,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 96125 states and 156610 transitions. [2022-10-15 22:23:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 22:23:10,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:10,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:23:10,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:23:10,840 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:23:10,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:10,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1469959296, now seen corresponding path program 1 times [2022-10-15 22:23:10,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:10,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642483245] [2022-10-15 22:23:10,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:23:11,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642483245] [2022-10-15 22:23:11,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642483245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:11,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:11,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:11,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327582801] [2022-10-15 22:23:11,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:11,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:11,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:11,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:11,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:11,056 INFO L87 Difference]: Start difference. First operand 96125 states and 156610 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)