/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:59:35,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:59:35,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:59:35,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:59:36,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:59:36,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:59:36,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:59:36,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:59:36,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:59:36,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:59:36,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:59:36,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:59:36,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:59:36,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:59:36,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:59:36,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:59:36,081 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:59:36,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:59:36,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:59:36,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:59:36,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:59:36,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:59:36,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:59:36,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:59:36,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:59:36,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:59:36,084 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:59:36,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:59:36,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:59:36,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:59:36,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:59:36,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:59:36,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:59:36,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:59:36,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:59:36,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:59:36,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:59:36,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:59:36,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:59:36,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:59:36,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:59:36,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:59:36,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:59:36,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:59:36,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:59:36,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:59:36,564 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:59:36,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2022-10-15 21:59:36,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af84c453c/07dbb015fcf744578b5f1ce85f9b8151/FLAG6f6c60ee7 [2022-10-15 21:59:37,336 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:59:37,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2022-10-15 21:59:37,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af84c453c/07dbb015fcf744578b5f1ce85f9b8151/FLAG6f6c60ee7 [2022-10-15 21:59:37,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af84c453c/07dbb015fcf744578b5f1ce85f9b8151 [2022-10-15 21:59:37,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:59:37,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:59:37,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:59:37,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:59:37,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:59:37,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:59:37" (1/1) ... [2022-10-15 21:59:37,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c94b0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:37, skipping insertion in model container [2022-10-15 21:59:37,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:59:37" (1/1) ... [2022-10-15 21:59:37,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:59:37,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:59:38,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c[30996,31009] [2022-10-15 21:59:38,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:59:38,229 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:59:38,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c[30996,31009] [2022-10-15 21:59:38,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:59:38,365 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:59:38,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38 WrapperNode [2022-10-15 21:59:38,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:59:38,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:59:38,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:59:38,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:59:38,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,553 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1055 [2022-10-15 21:59:38,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:59:38,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:59:38,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:59:38,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:59:38,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:59:38,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:59:38,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:59:38,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:59:38,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:59:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:59:38,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:59:38,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:59:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:59:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:59:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:59:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:59:39,040 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:59:39,043 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:59:40,405 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:59:40,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:59:40,421 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:59:40,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:59:40 BoogieIcfgContainer [2022-10-15 21:59:40,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:59:40,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:59:40,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:59:40,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:59:40,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:59:37" (1/3) ... [2022-10-15 21:59:40,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea36952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:59:40, skipping insertion in model container [2022-10-15 21:59:40,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38" (2/3) ... [2022-10-15 21:59:40,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea36952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:59:40, skipping insertion in model container [2022-10-15 21:59:40,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:59:40" (3/3) ... [2022-10-15 21:59:40,436 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2022-10-15 21:59:40,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:59:40,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-15 21:59:40,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:59:40,550 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;@37d05acc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:59:40,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-15 21:59:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 370 states have (on average 1.8297297297297297) internal successors, (677), 418 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:59:40,574 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:40,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:40,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1596443226, now seen corresponding path program 1 times [2022-10-15 21:59:40,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:40,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563356867] [2022-10-15 21:59:40,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:41,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:41,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563356867] [2022-10-15 21:59:41,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563356867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:41,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:41,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:59:41,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717640740] [2022-10-15 21:59:41,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:41,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:59:41,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:41,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:59:41,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:59:41,211 INFO L87 Difference]: Start difference. First operand has 419 states, 370 states have (on average 1.8297297297297297) internal successors, (677), 418 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:41,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:41,284 INFO L93 Difference]: Finished difference Result 643 states and 992 transitions. [2022-10-15 21:59:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:59:41,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 21:59:41,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:41,312 INFO L225 Difference]: With dead ends: 643 [2022-10-15 21:59:41,312 INFO L226 Difference]: Without dead ends: 414 [2022-10-15 21:59:41,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:59:41,322 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:41,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:41,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-10-15 21:59:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2022-10-15 21:59:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 366 states have (on average 1.8278688524590163) internal successors, (669), 413 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 669 transitions. [2022-10-15 21:59:41,406 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 669 transitions. Word has length 58 [2022-10-15 21:59:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:41,409 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 669 transitions. [2022-10-15 21:59:41,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 669 transitions. [2022-10-15 21:59:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:59:41,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:41,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:41,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:59:41,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:41,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:41,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1598290268, now seen corresponding path program 1 times [2022-10-15 21:59:41,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:41,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974807947] [2022-10-15 21:59:41,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:41,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:41,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:41,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974807947] [2022-10-15 21:59:41,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974807947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:41,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:41,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:59:41,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440386144] [2022-10-15 21:59:41,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:41,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:41,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:41,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:41,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:41,847 INFO L87 Difference]: Start difference. First operand 414 states and 669 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:41,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:41,988 INFO L93 Difference]: Finished difference Result 636 states and 980 transitions. [2022-10-15 21:59:41,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:41,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 21:59:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:41,996 INFO L225 Difference]: With dead ends: 636 [2022-10-15 21:59:41,996 INFO L226 Difference]: Without dead ends: 414 [2022-10-15 21:59:42,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:59:42,008 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 3 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2619 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:42,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2619 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-10-15 21:59:42,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2022-10-15 21:59:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 366 states have (on average 1.7021857923497268) internal successors, (623), 413 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 623 transitions. [2022-10-15 21:59:42,052 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 623 transitions. Word has length 58 [2022-10-15 21:59:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:42,052 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 623 transitions. [2022-10-15 21:59:42,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 623 transitions. [2022-10-15 21:59:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 21:59:42,063 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:42,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:42,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:59:42,064 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:42,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1986416154, now seen corresponding path program 1 times [2022-10-15 21:59:42,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:42,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562396559] [2022-10-15 21:59:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:42,337 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 21:59:42,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:42,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562396559] [2022-10-15 21:59:42,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562396559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:42,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:42,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:42,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305979522] [2022-10-15 21:59:42,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:42,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:42,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:42,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:42,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:42,344 INFO L87 Difference]: Start difference. First operand 414 states and 623 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:42,382 INFO L93 Difference]: Finished difference Result 822 states and 1191 transitions. [2022-10-15 21:59:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:42,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-15 21:59:42,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:42,387 INFO L225 Difference]: With dead ends: 822 [2022-10-15 21:59:42,387 INFO L226 Difference]: Without dead ends: 604 [2022-10-15 21:59:42,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:42,390 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 282 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:42,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1462 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-10-15 21:59:42,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 558. [2022-10-15 21:59:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 510 states have (on average 1.731372549019608) internal successors, (883), 557 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 883 transitions. [2022-10-15 21:59:42,412 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 883 transitions. Word has length 103 [2022-10-15 21:59:42,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:42,413 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 883 transitions. [2022-10-15 21:59:42,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 883 transitions. [2022-10-15 21:59:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 21:59:42,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:42,416 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] [2022-10-15 21:59:42,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:59:42,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:42,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1209661607, now seen corresponding path program 1 times [2022-10-15 21:59:42,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:42,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430907555] [2022-10-15 21:59:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:42,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:42,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430907555] [2022-10-15 21:59:42,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430907555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:42,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:42,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:42,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268900744] [2022-10-15 21:59:42,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:42,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:42,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:42,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:42,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:42,612 INFO L87 Difference]: Start difference. First operand 558 states and 883 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:42,677 INFO L93 Difference]: Finished difference Result 1102 states and 1713 transitions. [2022-10-15 21:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:42,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-15 21:59:42,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:42,682 INFO L225 Difference]: With dead ends: 1102 [2022-10-15 21:59:42,683 INFO L226 Difference]: Without dead ends: 740 [2022-10-15 21:59:42,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:42,685 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 252 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:42,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1180 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-10-15 21:59:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 705. [2022-10-15 21:59:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 657 states have (on average 1.7321156773211568) internal successors, (1138), 704 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1138 transitions. [2022-10-15 21:59:42,714 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1138 transitions. Word has length 107 [2022-10-15 21:59:42,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:42,715 INFO L495 AbstractCegarLoop]: Abstraction has 705 states and 1138 transitions. [2022-10-15 21:59:42,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1138 transitions. [2022-10-15 21:59:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 21:59:42,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:42,717 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] [2022-10-15 21:59:42,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:59:42,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:42,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:42,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2078413128, now seen corresponding path program 1 times [2022-10-15 21:59:42,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:42,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298396769] [2022-10-15 21:59:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:42,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:42,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:42,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298396769] [2022-10-15 21:59:42,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298396769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:42,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:42,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:42,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008069582] [2022-10-15 21:59:42,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:42,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:42,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:42,877 INFO L87 Difference]: Start difference. First operand 705 states and 1138 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:42,938 INFO L93 Difference]: Finished difference Result 1639 states and 2640 transitions. [2022-10-15 21:59:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:42,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-15 21:59:42,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:42,949 INFO L225 Difference]: With dead ends: 1639 [2022-10-15 21:59:42,949 INFO L226 Difference]: Without dead ends: 1132 [2022-10-15 21:59:42,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:42,954 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 275 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:42,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1438 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:42,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-15 21:59:42,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1086. [2022-10-15 21:59:43,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1038 states have (on average 1.7504816955684008) internal successors, (1817), 1085 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1817 transitions. [2022-10-15 21:59:43,006 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1817 transitions. Word has length 110 [2022-10-15 21:59:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:43,007 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1817 transitions. [2022-10-15 21:59:43,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1817 transitions. [2022-10-15 21:59:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 21:59:43,009 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:43,009 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] [2022-10-15 21:59:43,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:59:43,009 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1175802887, now seen corresponding path program 1 times [2022-10-15 21:59:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:43,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352823284] [2022-10-15 21:59:43,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:43,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:43,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:43,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352823284] [2022-10-15 21:59:43,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352823284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:43,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:43,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:43,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445848271] [2022-10-15 21:59:43,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:43,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:43,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:43,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,208 INFO L87 Difference]: Start difference. First operand 1086 states and 1817 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:43,280 INFO L93 Difference]: Finished difference Result 2465 states and 4107 transitions. [2022-10-15 21:59:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:43,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-15 21:59:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:43,291 INFO L225 Difference]: With dead ends: 2465 [2022-10-15 21:59:43,291 INFO L226 Difference]: Without dead ends: 1577 [2022-10-15 21:59:43,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,295 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 277 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:43,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 1193 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:43,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2022-10-15 21:59:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1528. [2022-10-15 21:59:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1480 states have (on average 1.7540540540540541) internal successors, (2596), 1527 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2596 transitions. [2022-10-15 21:59:43,350 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2596 transitions. Word has length 114 [2022-10-15 21:59:43,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:43,351 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 2596 transitions. [2022-10-15 21:59:43,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2596 transitions. [2022-10-15 21:59:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 21:59:43,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:43,356 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] [2022-10-15 21:59:43,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:59:43,358 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:43,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:43,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1372818148, now seen corresponding path program 1 times [2022-10-15 21:59:43,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:43,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504476956] [2022-10-15 21:59:43,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:43,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:43,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:43,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504476956] [2022-10-15 21:59:43,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504476956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:43,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:43,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:43,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447032718] [2022-10-15 21:59:43,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:43,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:43,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:43,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:43,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,541 INFO L87 Difference]: Start difference. First operand 1528 states and 2596 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:43,646 INFO L93 Difference]: Finished difference Result 3920 states and 6688 transitions. [2022-10-15 21:59:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:43,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-10-15 21:59:43,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:43,662 INFO L225 Difference]: With dead ends: 3920 [2022-10-15 21:59:43,662 INFO L226 Difference]: Without dead ends: 2606 [2022-10-15 21:59:43,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,666 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 268 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:43,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1414 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:43,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2022-10-15 21:59:43,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2560. [2022-10-15 21:59:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 2512 states have (on average 1.7619426751592357) internal successors, (4426), 2559 states have internal predecessors, (4426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 4426 transitions. [2022-10-15 21:59:43,764 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 4426 transitions. Word has length 117 [2022-10-15 21:59:43,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:43,765 INFO L495 AbstractCegarLoop]: Abstraction has 2560 states and 4426 transitions. [2022-10-15 21:59:43,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 4426 transitions. [2022-10-15 21:59:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 21:59:43,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:43,767 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] [2022-10-15 21:59:43,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:59:43,768 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:43,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:43,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1041858981, now seen corresponding path program 1 times [2022-10-15 21:59:43,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:43,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293303236] [2022-10-15 21:59:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:43,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:43,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:43,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293303236] [2022-10-15 21:59:43,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293303236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:43,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:43,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:43,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411518196] [2022-10-15 21:59:43,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:43,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:43,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:43,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:43,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,906 INFO L87 Difference]: Start difference. First operand 2560 states and 4426 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:44,026 INFO L93 Difference]: Finished difference Result 6144 states and 10625 transitions. [2022-10-15 21:59:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:44,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-15 21:59:44,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:44,052 INFO L225 Difference]: With dead ends: 6144 [2022-10-15 21:59:44,052 INFO L226 Difference]: Without dead ends: 3798 [2022-10-15 21:59:44,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:44,061 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 270 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:44,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1194 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:44,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3798 states. [2022-10-15 21:59:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3798 to 3743. [2022-10-15 21:59:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 3695 states have (on average 1.7607577807848445) internal successors, (6506), 3742 states have internal predecessors, (6506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 6506 transitions. [2022-10-15 21:59:44,288 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 6506 transitions. Word has length 121 [2022-10-15 21:59:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:44,289 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 6506 transitions. [2022-10-15 21:59:44,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 6506 transitions. [2022-10-15 21:59:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 21:59:44,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:44,292 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] [2022-10-15 21:59:44,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:59:44,293 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:44,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:44,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1744261514, now seen corresponding path program 1 times [2022-10-15 21:59:44,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:44,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889463495] [2022-10-15 21:59:44,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:44,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:44,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:44,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889463495] [2022-10-15 21:59:44,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889463495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:44,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:44,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:44,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123848903] [2022-10-15 21:59:44,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:44,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:44,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:44,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:44,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:44,436 INFO L87 Difference]: Start difference. First operand 3743 states and 6506 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:44,665 INFO L93 Difference]: Finished difference Result 10065 states and 17540 transitions. [2022-10-15 21:59:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:44,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-15 21:59:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:44,703 INFO L225 Difference]: With dead ends: 10065 [2022-10-15 21:59:44,703 INFO L226 Difference]: Without dead ends: 6552 [2022-10-15 21:59:44,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:44,713 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 261 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:44,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1390 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6552 states. [2022-10-15 21:59:44,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6552 to 6506. [2022-10-15 21:59:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6506 states, 6458 states have (on average 1.761381232579746) internal successors, (11375), 6505 states have internal predecessors, (11375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 11375 transitions. [2022-10-15 21:59:45,026 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 11375 transitions. Word has length 124 [2022-10-15 21:59:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:45,027 INFO L495 AbstractCegarLoop]: Abstraction has 6506 states and 11375 transitions. [2022-10-15 21:59:45,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 11375 transitions. [2022-10-15 21:59:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 21:59:45,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:45,029 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] [2022-10-15 21:59:45,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:59:45,030 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:45,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1571260924, now seen corresponding path program 1 times [2022-10-15 21:59:45,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:45,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952608322] [2022-10-15 21:59:45,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:45,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:45,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:45,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952608322] [2022-10-15 21:59:45,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952608322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:45,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:45,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:45,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604610057] [2022-10-15 21:59:45,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:45,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:45,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:45,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:45,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:45,202 INFO L87 Difference]: Start difference. First operand 6506 states and 11375 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:45,597 INFO L93 Difference]: Finished difference Result 16039 states and 28059 transitions. [2022-10-15 21:59:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:45,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-15 21:59:45,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:45,655 INFO L225 Difference]: With dead ends: 16039 [2022-10-15 21:59:45,656 INFO L226 Difference]: Without dead ends: 9763 [2022-10-15 21:59:45,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:45,667 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 263 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:45,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:45,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9763 states. [2022-10-15 21:59:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9763 to 9690. [2022-10-15 21:59:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9690 states, 9642 states have (on average 1.7573117610454263) internal successors, (16944), 9689 states have internal predecessors, (16944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 16944 transitions. [2022-10-15 21:59:46,252 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 16944 transitions. Word has length 127 [2022-10-15 21:59:46,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:46,253 INFO L495 AbstractCegarLoop]: Abstraction has 9690 states and 16944 transitions. [2022-10-15 21:59:46,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 16944 transitions. [2022-10-15 21:59:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 21:59:46,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:46,256 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] [2022-10-15 21:59:46,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:59:46,257 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:46,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:46,258 INFO L85 PathProgramCache]: Analyzing trace with hash 802736241, now seen corresponding path program 1 times [2022-10-15 21:59:46,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:46,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001982985] [2022-10-15 21:59:46,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:46,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:46,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:46,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001982985] [2022-10-15 21:59:46,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001982985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:46,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:46,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:46,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528227158] [2022-10-15 21:59:46,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:46,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:46,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:46,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:46,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:46,455 INFO L87 Difference]: Start difference. First operand 9690 states and 16944 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:47,295 INFO L93 Difference]: Finished difference Result 22491 states and 39534 transitions. [2022-10-15 21:59:47,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:47,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-15 21:59:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:47,370 INFO L225 Difference]: With dead ends: 22491 [2022-10-15 21:59:47,370 INFO L226 Difference]: Without dead ends: 22488 [2022-10-15 21:59:47,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:47,380 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 901 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:47,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1750 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:47,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22488 states. [2022-10-15 21:59:48,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22488 to 18102. [2022-10-15 21:59:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18102 states, 18054 states have (on average 1.7510800930541708) internal successors, (31614), 18101 states have internal predecessors, (31614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18102 states to 18102 states and 31614 transitions. [2022-10-15 21:59:48,343 INFO L78 Accepts]: Start accepts. Automaton has 18102 states and 31614 transitions. Word has length 130 [2022-10-15 21:59:48,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:48,343 INFO L495 AbstractCegarLoop]: Abstraction has 18102 states and 31614 transitions. [2022-10-15 21:59:48,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 18102 states and 31614 transitions. [2022-10-15 21:59:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 21:59:48,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:48,346 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] [2022-10-15 21:59:48,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:59:48,346 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:48,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:48,347 INFO L85 PathProgramCache]: Analyzing trace with hash -884978750, now seen corresponding path program 1 times [2022-10-15 21:59:48,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:48,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926084575] [2022-10-15 21:59:48,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:48,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:48,518 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 21:59:48,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:48,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926084575] [2022-10-15 21:59:48,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926084575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:48,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:48,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:48,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168539104] [2022-10-15 21:59:48,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:48,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:48,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:48,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:48,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:48,522 INFO L87 Difference]: Start difference. First operand 18102 states and 31614 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:49,314 INFO L93 Difference]: Finished difference Result 22443 states and 39318 transitions. [2022-10-15 21:59:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:49,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-15 21:59:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:49,381 INFO L225 Difference]: With dead ends: 22443 [2022-10-15 21:59:49,382 INFO L226 Difference]: Without dead ends: 22440 [2022-10-15 21:59:49,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:49,391 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 898 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:49,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 1408 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22440 states. [2022-10-15 21:59:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22440 to 22398. [2022-10-15 21:59:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22398 states, 22350 states have (on average 1.7430872483221476) internal successors, (38958), 22397 states have internal predecessors, (38958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22398 states to 22398 states and 38958 transitions. [2022-10-15 21:59:50,791 INFO L78 Accepts]: Start accepts. Automaton has 22398 states and 38958 transitions. Word has length 131 [2022-10-15 21:59:50,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:50,792 INFO L495 AbstractCegarLoop]: Abstraction has 22398 states and 38958 transitions. [2022-10-15 21:59:50,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 22398 states and 38958 transitions. [2022-10-15 21:59:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 21:59:50,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:50,794 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] [2022-10-15 21:59:50,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:59:50,795 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:50,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:50,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1664535917, now seen corresponding path program 1 times [2022-10-15 21:59:50,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:50,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112177075] [2022-10-15 21:59:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:50,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:50,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:50,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112177075] [2022-10-15 21:59:50,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112177075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:50,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:50,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:59:50,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759251871] [2022-10-15 21:59:50,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:50,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:50,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:50,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:50,987 INFO L87 Difference]: Start difference. First operand 22398 states and 38958 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:52,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:52,034 INFO L93 Difference]: Finished difference Result 33048 states and 57273 transitions. [2022-10-15 21:59:52,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:59:52,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-15 21:59:52,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:52,164 INFO L225 Difference]: With dead ends: 33048 [2022-10-15 21:59:52,164 INFO L226 Difference]: Without dead ends: 33045 [2022-10-15 21:59:52,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:59:52,181 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1744 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:52,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 2420 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33045 states. [2022-10-15 21:59:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33045 to 28626. [2022-10-15 21:59:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28626 states, 28578 states have (on average 1.7307369305059837) internal successors, (49461), 28625 states have internal predecessors, (49461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28626 states to 28626 states and 49461 transitions. [2022-10-15 21:59:53,729 INFO L78 Accepts]: Start accepts. Automaton has 28626 states and 49461 transitions. Word has length 132 [2022-10-15 21:59:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:53,730 INFO L495 AbstractCegarLoop]: Abstraction has 28626 states and 49461 transitions. [2022-10-15 21:59:53,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 28626 states and 49461 transitions. [2022-10-15 21:59:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-15 21:59:53,733 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:53,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:53,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:59:53,734 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:53,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:53,734 INFO L85 PathProgramCache]: Analyzing trace with hash -61004316, now seen corresponding path program 1 times [2022-10-15 21:59:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:53,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605759478] [2022-10-15 21:59:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:53,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:53,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605759478] [2022-10-15 21:59:53,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605759478] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:53,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:53,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:59:53,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174634434] [2022-10-15 21:59:53,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:53,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:53,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:53,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:53,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:53,973 INFO L87 Difference]: Start difference. First operand 28626 states and 49461 transitions. Second operand has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:55,305 INFO L93 Difference]: Finished difference Result 32838 states and 56685 transitions. [2022-10-15 21:59:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:59:55,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-15 21:59:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:55,507 INFO L225 Difference]: With dead ends: 32838 [2022-10-15 21:59:55,507 INFO L226 Difference]: Without dead ends: 32835 [2022-10-15 21:59:55,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:59:55,524 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1707 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 2023 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:55,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 2023 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:55,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32835 states. [2022-10-15 21:59:56,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32835 to 32754. [2022-10-15 21:59:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32754 states, 32706 states have (on average 1.7192258301229133) internal successors, (56229), 32753 states have internal predecessors, (56229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32754 states to 32754 states and 56229 transitions. [2022-10-15 21:59:57,220 INFO L78 Accepts]: Start accepts. Automaton has 32754 states and 56229 transitions. Word has length 133 [2022-10-15 21:59:57,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:57,220 INFO L495 AbstractCegarLoop]: Abstraction has 32754 states and 56229 transitions. [2022-10-15 21:59:57,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32754 states and 56229 transitions. [2022-10-15 21:59:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-15 21:59:57,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:57,223 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] [2022-10-15 21:59:57,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:59:57,223 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 21:59:57,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:57,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1891132235, now seen corresponding path program 1 times [2022-10-15 21:59:57,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:57,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429926315] [2022-10-15 21:59:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:57,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:57,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:57,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429926315] [2022-10-15 21:59:57,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429926315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:57,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:57,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:59:57,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644190918] [2022-10-15 21:59:57,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:57,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:59:57,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:57,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:59:57,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:59:57,490 INFO L87 Difference]: Start difference. First operand 32754 states and 56229 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states 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 22:00:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:01,183 INFO L93 Difference]: Finished difference Result 108446 states and 186675 transitions. [2022-10-15 22:00:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:00:01,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-15 22:00:01,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:01,547 INFO L225 Difference]: With dead ends: 108446 [2022-10-15 22:00:01,547 INFO L226 Difference]: Without dead ends: 75938 [2022-10-15 22:00:01,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:00:01,617 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 3267 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 4106 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:00:01,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 4106 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:00:01,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75938 states. [2022-10-15 22:00:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75938 to 61386. [2022-10-15 22:00:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61386 states, 61338 states have (on average 1.7027291401741171) internal successors, (104442), 61385 states have internal predecessors, (104442), 0 states have call successors, (0), 0 states 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 22:00:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61386 states to 61386 states and 104442 transitions. [2022-10-15 22:00:04,764 INFO L78 Accepts]: Start accepts. Automaton has 61386 states and 104442 transitions. Word has length 134 [2022-10-15 22:00:04,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:00:04,764 INFO L495 AbstractCegarLoop]: Abstraction has 61386 states and 104442 transitions. [2022-10-15 22:00:04,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states 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 22:00:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 61386 states and 104442 transitions. [2022-10-15 22:00:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 22:00:04,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:00:04,766 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] [2022-10-15 22:00:04,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:00:04,767 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:00:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:00:04,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1504444422, now seen corresponding path program 1 times [2022-10-15 22:00:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:00:04,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266846652] [2022-10-15 22:00:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:00:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:00:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:00:05,309 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 22:00:05,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:00:05,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266846652] [2022-10-15 22:00:05,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266846652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:00:05,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:00:05,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:00:05,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052981410] [2022-10-15 22:00:05,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:00:05,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:00:05,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:00:05,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:00:05,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:00:05,312 INFO L87 Difference]: Start difference. First operand 61386 states and 104442 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 22:00:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:08,159 INFO L93 Difference]: Finished difference Result 84165 states and 143775 transitions. [2022-10-15 22:00:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:00:08,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-15 22:00:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:08,581 INFO L225 Difference]: With dead ends: 84165 [2022-10-15 22:00:08,582 INFO L226 Difference]: Without dead ends: 84162 [2022-10-15 22:00:08,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:00:08,632 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 3346 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:00:08,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 3059 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:00:08,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84162 states. [2022-10-15 22:00:11,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84162 to 83970. [2022-10-15 22:00:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83970 states, 83922 states have (on average 1.695896189318653) internal successors, (142323), 83969 states have internal predecessors, (142323), 0 states have call successors, (0), 0 states 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 22:00:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83970 states to 83970 states and 142323 transitions. [2022-10-15 22:00:12,366 INFO L78 Accepts]: Start accepts. Automaton has 83970 states and 142323 transitions. Word has length 135 [2022-10-15 22:00:12,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:00:12,367 INFO L495 AbstractCegarLoop]: Abstraction has 83970 states and 142323 transitions. [2022-10-15 22:00:12,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 22:00:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 83970 states and 142323 transitions. [2022-10-15 22:00:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-15 22:00:12,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:00:12,369 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] [2022-10-15 22:00:12,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:00:12,370 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:00:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:00:12,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1632839096, now seen corresponding path program 1 times [2022-10-15 22:00:12,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:00:12,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556833502] [2022-10-15 22:00:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:00:12,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:00:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:00:12,569 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 22:00:12,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:00:12,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556833502] [2022-10-15 22:00:12,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556833502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:00:12,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:00:12,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:00:12,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216244291] [2022-10-15 22:00:12,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:00:12,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:00:12,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:00:12,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:00:12,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:00:12,572 INFO L87 Difference]: Start difference. First operand 83970 states and 142323 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 22:00:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:17,108 INFO L93 Difference]: Finished difference Result 234310 states and 397800 transitions. [2022-10-15 22:00:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:00:17,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-15 22:00:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:17,413 INFO L225 Difference]: With dead ends: 234310 [2022-10-15 22:00:17,413 INFO L226 Difference]: Without dead ends: 150586 [2022-10-15 22:00:17,526 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 22:00:17,527 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 884 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:00:17,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 1866 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:00:17,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150586 states. [2022-10-15 22:00:21,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150586 to 128877. [2022-10-15 22:00:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128877 states, 128829 states have (on average 1.6866544023472976) internal successors, (217290), 128876 states have internal predecessors, (217290), 0 states have call successors, (0), 0 states 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 22:00:22,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128877 states to 128877 states and 217290 transitions. [2022-10-15 22:00:22,079 INFO L78 Accepts]: Start accepts. Automaton has 128877 states and 217290 transitions. Word has length 137 [2022-10-15 22:00:22,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:00:22,080 INFO L495 AbstractCegarLoop]: Abstraction has 128877 states and 217290 transitions. [2022-10-15 22:00:22,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 22:00:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 128877 states and 217290 transitions. [2022-10-15 22:00:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 22:00:22,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:00:22,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:00:22,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:00:22,083 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:00:22,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:00:22,083 INFO L85 PathProgramCache]: Analyzing trace with hash 921597146, now seen corresponding path program 1 times [2022-10-15 22:00:22,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:00:22,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331663366] [2022-10-15 22:00:22,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:00:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:00:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:00:22,582 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 22:00:22,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:00:22,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331663366] [2022-10-15 22:00:22,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331663366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:00:22,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:00:22,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:00:22,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904096001] [2022-10-15 22:00:22,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:00:22,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:00:22,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:00:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:00:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:00:22,588 INFO L87 Difference]: Start difference. First operand 128877 states and 217290 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 22:00:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:26,857 INFO L93 Difference]: Finished difference Result 169796 states and 288513 transitions. [2022-10-15 22:00:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:00:26,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 22:00:26,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted.