/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:09:45,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:09:45,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:09:45,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:09:45,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:09:45,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:09:45,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:09:45,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:09:45,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:09:45,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:09:45,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:09:45,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:09:45,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:09:45,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:09:45,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:09:45,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:09:45,509 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:09:45,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:09:45,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:09:45,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:09:45,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:09:45,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:09:45,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:09:45,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:09:45,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:09:45,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:09:45,514 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:09:45,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:09:45,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:09:45,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:09:45,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:09:45,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:09:45,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:09:45,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:09:45,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:09:45,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:09:45,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:09:45,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:09:45,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:09:45,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:09:45,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:09:45,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:09:45,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:09:45,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:09:45,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:09:45,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:09:45,990 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:09:45,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:09:46,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d70dfb5/babb8162152647b4bba75ce5f79e6a9f/FLAG2f596bd63 [2022-10-16 15:09:46,616 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:09:46,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:09:46,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d70dfb5/babb8162152647b4bba75ce5f79e6a9f/FLAG2f596bd63 [2022-10-16 15:09:46,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d70dfb5/babb8162152647b4bba75ce5f79e6a9f [2022-10-16 15:09:46,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:09:46,988 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:09:46,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:09:46,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:09:46,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:09:46,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:09:46" (1/1) ... [2022-10-16 15:09:47,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebcb76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47, skipping insertion in model container [2022-10-16 15:09:47,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:09:46" (1/1) ... [2022-10-16 15:09:47,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:09:47,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:09:47,345 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_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c[6899,6912] [2022-10-16 15:09:47,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:09:47,356 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:09:47,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c[6899,6912] [2022-10-16 15:09:47,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:09:47,458 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:09:47,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47 WrapperNode [2022-10-16 15:09:47,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:09:47,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:09:47,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:09:47,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:09:47,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,512 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 266 [2022-10-16 15:09:47,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:09:47,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:09:47,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:09:47,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:09:47,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:09:47,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:09:47,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:09:47,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:09:47,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (1/1) ... [2022-10-16 15:09:47,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:09:47,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:09:47,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:09:47,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:09:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:09:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:09:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:09:47,747 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:09:47,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:09:48,302 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:09:48,311 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:09:48,312 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:09:48,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:09:48 BoogieIcfgContainer [2022-10-16 15:09:48,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:09:48,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:09:48,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:09:48,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:09:48,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:09:46" (1/3) ... [2022-10-16 15:09:48,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608407a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:09:48, skipping insertion in model container [2022-10-16 15:09:48,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:47" (2/3) ... [2022-10-16 15:09:48,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608407a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:09:48, skipping insertion in model container [2022-10-16 15:09:48,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:09:48" (3/3) ... [2022-10-16 15:09:48,325 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:09:48,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:09:48,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 15:09:48,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:09:48,420 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;@75dff254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:09:48,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 15:09:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 92 states have (on average 1.7173913043478262) internal successors, (158), 106 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:09:48,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:48,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:09:48,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:09:48,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:48,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939557762] [2022-10-16 15:09:48,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:48,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:48,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:48,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939557762] [2022-10-16 15:09:48,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939557762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:48,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:48,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:09:48,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888596183] [2022-10-16 15:09:48,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:48,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:09:48,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:48,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:09:48,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:09:48,689 INFO L87 Difference]: Start difference. First operand has 107 states, 92 states have (on average 1.7173913043478262) internal successors, (158), 106 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:48,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:48,719 INFO L93 Difference]: Finished difference Result 178 states and 265 transitions. [2022-10-16 15:09:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:09:48,722 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 15:09:48,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:48,733 INFO L225 Difference]: With dead ends: 178 [2022-10-16 15:09:48,733 INFO L226 Difference]: Without dead ends: 96 [2022-10-16 15:09:48,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:09:48,741 INFO L413 NwaCegarLoop]: 145 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, 145 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:48,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:48,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-10-16 15:09:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-10-16 15:09:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 88 states have (on average 1.6363636363636365) internal successors, (144), 95 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 144 transitions. [2022-10-16 15:09:48,788 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 144 transitions. Word has length 4 [2022-10-16 15:09:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:48,789 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 144 transitions. [2022-10-16 15:09:48,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2022-10-16 15:09:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:09:48,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:48,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:48,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:09:48,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:48,793 INFO L85 PathProgramCache]: Analyzing trace with hash -711000116, now seen corresponding path program 1 times [2022-10-16 15:09:48,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:48,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833249326] [2022-10-16 15:09:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:49,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:49,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833249326] [2022-10-16 15:09:49,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833249326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:49,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:49,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:09:49,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711392939] [2022-10-16 15:09:49,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:49,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:49,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:49,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:49,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:49,020 INFO L87 Difference]: Start difference. First operand 96 states and 144 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:49,094 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2022-10-16 15:09:49,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:09:49,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:09:49,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:49,096 INFO L225 Difference]: With dead ends: 169 [2022-10-16 15:09:49,097 INFO L226 Difference]: Without dead ends: 96 [2022-10-16 15:09:49,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:09:49,099 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 3 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:49,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 548 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:49,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-10-16 15:09:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-10-16 15:09:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 95 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) [2022-10-16 15:09:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2022-10-16 15:09:49,111 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 22 [2022-10-16 15:09:49,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:49,112 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2022-10-16 15:09:49,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2022-10-16 15:09:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 15:09:49,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:49,114 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] [2022-10-16 15:09:49,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:09:49,115 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:49,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:49,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1661334042, now seen corresponding path program 1 times [2022-10-16 15:09:49,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:49,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002992836] [2022-10-16 15:09:49,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:49,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:49,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:49,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002992836] [2022-10-16 15:09:49,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002992836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:49,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:49,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:49,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236398705] [2022-10-16 15:09:49,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:49,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:49,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:49,281 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:49,334 INFO L93 Difference]: Finished difference Result 222 states and 307 transitions. [2022-10-16 15:09:49,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:49,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-10-16 15:09:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:49,342 INFO L225 Difference]: With dead ends: 222 [2022-10-16 15:09:49,342 INFO L226 Difference]: Without dead ends: 153 [2022-10-16 15:09:49,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:49,345 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 83 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:49,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 275 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-10-16 15:09:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2022-10-16 15:09:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 137 states have (on average 1.5036496350364963) internal successors, (206), 144 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 206 transitions. [2022-10-16 15:09:49,380 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 206 transitions. Word has length 42 [2022-10-16 15:09:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:49,380 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 206 transitions. [2022-10-16 15:09:49,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 206 transitions. [2022-10-16 15:09:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 15:09:49,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:49,386 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] [2022-10-16 15:09:49,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:09:49,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:49,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:49,387 INFO L85 PathProgramCache]: Analyzing trace with hash -112545716, now seen corresponding path program 1 times [2022-10-16 15:09:49,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:49,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922719973] [2022-10-16 15:09:49,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:49,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:49,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:49,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922719973] [2022-10-16 15:09:49,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922719973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:49,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:49,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:49,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570570913] [2022-10-16 15:09:49,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:49,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:49,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:49,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:49,558 INFO L87 Difference]: Start difference. First operand 145 states and 206 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:49,605 INFO L93 Difference]: Finished difference Result 357 states and 524 transitions. [2022-10-16 15:09:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:49,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-10-16 15:09:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:49,611 INFO L225 Difference]: With dead ends: 357 [2022-10-16 15:09:49,611 INFO L226 Difference]: Without dead ends: 239 [2022-10-16 15:09:49,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:49,618 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 78 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:49,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 266 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:49,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-10-16 15:09:49,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 231. [2022-10-16 15:09:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 223 states have (on average 1.5381165919282511) internal successors, (343), 230 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 343 transitions. [2022-10-16 15:09:49,669 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 343 transitions. Word has length 43 [2022-10-16 15:09:49,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:49,670 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 343 transitions. [2022-10-16 15:09:49,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 343 transitions. [2022-10-16 15:09:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 15:09:49,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:49,675 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] [2022-10-16 15:09:49,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:09:49,676 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:49,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:49,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1565956330, now seen corresponding path program 1 times [2022-10-16 15:09:49,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:49,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692346712] [2022-10-16 15:09:49,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:49,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:49,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:49,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692346712] [2022-10-16 15:09:49,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692346712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:49,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:49,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:49,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202957848] [2022-10-16 15:09:49,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:49,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:49,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:49,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:49,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:49,795 INFO L87 Difference]: Start difference. First operand 231 states and 343 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:49,955 INFO L93 Difference]: Finished difference Result 637 states and 975 transitions. [2022-10-16 15:09:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:09:49,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-16 15:09:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:49,960 INFO L225 Difference]: With dead ends: 637 [2022-10-16 15:09:49,961 INFO L226 Difference]: Without dead ends: 635 [2022-10-16 15:09:49,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:49,968 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 290 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:49,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 350 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2022-10-16 15:09:50,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 427. [2022-10-16 15:09:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 419 states have (on average 1.5536992840095465) internal successors, (651), 426 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 651 transitions. [2022-10-16 15:09:50,029 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 651 transitions. Word has length 44 [2022-10-16 15:09:50,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:50,031 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 651 transitions. [2022-10-16 15:09:50,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 651 transitions. [2022-10-16 15:09:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 15:09:50,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:50,035 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] [2022-10-16 15:09:50,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:09:50,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:50,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:50,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1300006323, now seen corresponding path program 1 times [2022-10-16 15:09:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:50,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067595059] [2022-10-16 15:09:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:50,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:50,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067595059] [2022-10-16 15:09:50,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067595059] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:50,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:50,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:50,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135101459] [2022-10-16 15:09:50,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:50,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:50,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:50,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:50,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:50,230 INFO L87 Difference]: Start difference. First operand 427 states and 651 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:50,329 INFO L93 Difference]: Finished difference Result 629 states and 967 transitions. [2022-10-16 15:09:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:09:50,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-16 15:09:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:50,333 INFO L225 Difference]: With dead ends: 629 [2022-10-16 15:09:50,334 INFO L226 Difference]: Without dead ends: 627 [2022-10-16 15:09:50,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:50,336 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 285 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:50,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 202 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-10-16 15:09:50,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 623. [2022-10-16 15:09:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 615 states have (on average 1.5463414634146342) internal successors, (951), 622 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 951 transitions. [2022-10-16 15:09:50,368 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 951 transitions. Word has length 45 [2022-10-16 15:09:50,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:50,369 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 951 transitions. [2022-10-16 15:09:50,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 951 transitions. [2022-10-16 15:09:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 15:09:50,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:50,371 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] [2022-10-16 15:09:50,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:09:50,371 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:50,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:50,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1645490700, now seen corresponding path program 1 times [2022-10-16 15:09:50,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:50,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686387920] [2022-10-16 15:09:50,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:50,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:50,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:50,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686387920] [2022-10-16 15:09:50,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686387920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:50,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:50,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:50,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314004097] [2022-10-16 15:09:50,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:50,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:50,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:50,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:50,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:50,468 INFO L87 Difference]: Start difference. First operand 623 states and 951 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:50,644 INFO L93 Difference]: Finished difference Result 1621 states and 2483 transitions. [2022-10-16 15:09:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:09:50,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 15:09:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:50,651 INFO L225 Difference]: With dead ends: 1621 [2022-10-16 15:09:50,651 INFO L226 Difference]: Without dead ends: 1025 [2022-10-16 15:09:50,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:09:50,654 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 539 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:50,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 535 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:50,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2022-10-16 15:09:50,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 819. [2022-10-16 15:09:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 811 states have (on average 1.5228113440197288) internal successors, (1235), 818 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1235 transitions. [2022-10-16 15:09:50,699 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1235 transitions. Word has length 46 [2022-10-16 15:09:50,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:50,700 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1235 transitions. [2022-10-16 15:09:50,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1235 transitions. [2022-10-16 15:09:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:09:50,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:50,701 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] [2022-10-16 15:09:50,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:09:50,702 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:50,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:50,703 INFO L85 PathProgramCache]: Analyzing trace with hash -529395499, now seen corresponding path program 1 times [2022-10-16 15:09:50,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:50,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236867330] [2022-10-16 15:09:50,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:50,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:50,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236867330] [2022-10-16 15:09:50,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236867330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:50,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:50,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:50,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089354249] [2022-10-16 15:09:50,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:50,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:50,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:50,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:50,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:50,799 INFO L87 Difference]: Start difference. First operand 819 states and 1235 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:51,001 INFO L93 Difference]: Finished difference Result 1221 states and 1859 transitions. [2022-10-16 15:09:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:09:51,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 15:09:51,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:51,009 INFO L225 Difference]: With dead ends: 1221 [2022-10-16 15:09:51,010 INFO L226 Difference]: Without dead ends: 1219 [2022-10-16 15:09:51,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:09:51,011 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 598 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:51,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 389 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:51,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-10-16 15:09:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1211. [2022-10-16 15:09:51,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1203 states have (on average 1.5187032418952617) internal successors, (1827), 1210 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1827 transitions. [2022-10-16 15:09:51,084 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1827 transitions. Word has length 47 [2022-10-16 15:09:51,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:51,084 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1827 transitions. [2022-10-16 15:09:51,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1827 transitions. [2022-10-16 15:09:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:09:51,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:51,086 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] [2022-10-16 15:09:51,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:09:51,086 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:51,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:51,087 INFO L85 PathProgramCache]: Analyzing trace with hash 860324599, now seen corresponding path program 1 times [2022-10-16 15:09:51,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:51,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721628102] [2022-10-16 15:09:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:51,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:51,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:51,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721628102] [2022-10-16 15:09:51,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721628102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:51,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:51,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:51,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256835695] [2022-10-16 15:09:51,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:51,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:51,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:51,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:51,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:51,141 INFO L87 Difference]: Start difference. First operand 1211 states and 1827 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:51,252 INFO L93 Difference]: Finished difference Result 3219 states and 4851 transitions. [2022-10-16 15:09:51,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:51,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 15:09:51,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:51,265 INFO L225 Difference]: With dead ends: 3219 [2022-10-16 15:09:51,265 INFO L226 Difference]: Without dead ends: 2035 [2022-10-16 15:09:51,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:51,268 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 84 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:51,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 292 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:51,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2022-10-16 15:09:51,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 2027. [2022-10-16 15:09:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2019 states have (on average 1.49925705794948) internal successors, (3027), 2026 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 3027 transitions. [2022-10-16 15:09:51,427 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 3027 transitions. Word has length 49 [2022-10-16 15:09:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:51,427 INFO L495 AbstractCegarLoop]: Abstraction has 2027 states and 3027 transitions. [2022-10-16 15:09:51,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 3027 transitions. [2022-10-16 15:09:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:09:51,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:51,429 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:51,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:09:51,430 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:51,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:51,430 INFO L85 PathProgramCache]: Analyzing trace with hash -118336149, now seen corresponding path program 1 times [2022-10-16 15:09:51,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:51,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724777366] [2022-10-16 15:09:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:51,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:51,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724777366] [2022-10-16 15:09:51,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724777366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:51,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:51,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:51,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762973654] [2022-10-16 15:09:51,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:51,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:51,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:51,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:51,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:51,534 INFO L87 Difference]: Start difference. First operand 2027 states and 3027 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:51,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:51,754 INFO L93 Difference]: Finished difference Result 5859 states and 8739 transitions. [2022-10-16 15:09:51,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:51,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:09:51,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:51,775 INFO L225 Difference]: With dead ends: 5859 [2022-10-16 15:09:51,776 INFO L226 Difference]: Without dead ends: 3859 [2022-10-16 15:09:51,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:51,780 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 64 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:51,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 260 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:51,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-10-16 15:09:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3851. [2022-10-16 15:09:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3851 states, 3843 states have (on average 1.4808743169398908) internal successors, (5691), 3850 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3851 states and 5691 transitions. [2022-10-16 15:09:52,046 INFO L78 Accepts]: Start accepts. Automaton has 3851 states and 5691 transitions. Word has length 71 [2022-10-16 15:09:52,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:52,047 INFO L495 AbstractCegarLoop]: Abstraction has 3851 states and 5691 transitions. [2022-10-16 15:09:52,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 5691 transitions. [2022-10-16 15:09:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:09:52,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:52,049 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:52,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:09:52,050 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:52,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:52,050 INFO L85 PathProgramCache]: Analyzing trace with hash 89332740, now seen corresponding path program 1 times [2022-10-16 15:09:52,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:52,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658369630] [2022-10-16 15:09:52,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:52,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:09:52,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:52,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658369630] [2022-10-16 15:09:52,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658369630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:52,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:52,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:52,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989090153] [2022-10-16 15:09:52,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:52,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:52,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:52,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:52,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:52,161 INFO L87 Difference]: Start difference. First operand 3851 states and 5691 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:52,497 INFO L93 Difference]: Finished difference Result 5131 states and 7611 transitions. [2022-10-16 15:09:52,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:09:52,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:09:52,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:52,526 INFO L225 Difference]: With dead ends: 5131 [2022-10-16 15:09:52,526 INFO L226 Difference]: Without dead ends: 5129 [2022-10-16 15:09:52,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:52,529 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 152 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:52,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 371 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:52,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2022-10-16 15:09:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 4487. [2022-10-16 15:09:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 4479 states have (on average 1.4813574458584506) internal successors, (6635), 4486 states have internal predecessors, (6635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6635 transitions. [2022-10-16 15:09:52,859 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6635 transitions. Word has length 72 [2022-10-16 15:09:52,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:52,859 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6635 transitions. [2022-10-16 15:09:52,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6635 transitions. [2022-10-16 15:09:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:09:52,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:52,862 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:52,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:09:52,862 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:52,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:52,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1108723646, now seen corresponding path program 1 times [2022-10-16 15:09:52,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:52,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115388335] [2022-10-16 15:09:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:09:52,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:52,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115388335] [2022-10-16 15:09:52,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115388335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:52,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:52,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:52,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149365675] [2022-10-16 15:09:52,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:52,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:52,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:52,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:52,945 INFO L87 Difference]: Start difference. First operand 4487 states and 6635 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:53,304 INFO L93 Difference]: Finished difference Result 9845 states and 14521 transitions. [2022-10-16 15:09:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:53,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:09:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:53,331 INFO L225 Difference]: With dead ends: 9845 [2022-10-16 15:09:53,331 INFO L226 Difference]: Without dead ends: 5385 [2022-10-16 15:09:53,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:53,339 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 49 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:53,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 219 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2022-10-16 15:09:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 5335. [2022-10-16 15:09:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5327 states have (on average 1.4674300732119392) internal successors, (7817), 5334 states have internal predecessors, (7817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 7817 transitions. [2022-10-16 15:09:53,716 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 7817 transitions. Word has length 73 [2022-10-16 15:09:53,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:53,716 INFO L495 AbstractCegarLoop]: Abstraction has 5335 states and 7817 transitions. [2022-10-16 15:09:53,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 7817 transitions. [2022-10-16 15:09:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:09:53,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:53,718 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:53,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:09:53,719 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:53,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:53,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1192098944, now seen corresponding path program 1 times [2022-10-16 15:09:53,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:53,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638979842] [2022-10-16 15:09:53,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:53,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:53,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:53,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638979842] [2022-10-16 15:09:53,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638979842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:53,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:53,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:53,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750846869] [2022-10-16 15:09:53,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:53,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:53,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:53,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:53,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:53,779 INFO L87 Difference]: Start difference. First operand 5335 states and 7817 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:54,411 INFO L93 Difference]: Finished difference Result 15435 states and 22529 transitions. [2022-10-16 15:09:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:09:54,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:54,456 INFO L225 Difference]: With dead ends: 15435 [2022-10-16 15:09:54,456 INFO L226 Difference]: Without dead ends: 10129 [2022-10-16 15:09:54,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:54,466 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 61 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:54,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 247 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10129 states. [2022-10-16 15:09:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10129 to 10121. [2022-10-16 15:09:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10121 states, 10113 states have (on average 1.4441807574409176) internal successors, (14605), 10120 states have internal predecessors, (14605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 14605 transitions. [2022-10-16 15:09:55,210 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 14605 transitions. Word has length 73 [2022-10-16 15:09:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:55,211 INFO L495 AbstractCegarLoop]: Abstraction has 10121 states and 14605 transitions. [2022-10-16 15:09:55,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 14605 transitions. [2022-10-16 15:09:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:09:55,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:55,214 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:55,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:09:55,214 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:55,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1528529187, now seen corresponding path program 1 times [2022-10-16 15:09:55,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:55,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640830803] [2022-10-16 15:09:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:55,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:55,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640830803] [2022-10-16 15:09:55,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640830803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:55,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:55,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:55,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159105961] [2022-10-16 15:09:55,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:55,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:55,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:55,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:55,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:55,326 INFO L87 Difference]: Start difference. First operand 10121 states and 14605 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:56,504 INFO L93 Difference]: Finished difference Result 29353 states and 42125 transitions. [2022-10-16 15:09:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:56,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:09:56,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:56,551 INFO L225 Difference]: With dead ends: 29353 [2022-10-16 15:09:56,552 INFO L226 Difference]: Without dead ends: 18853 [2022-10-16 15:09:56,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:56,569 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 65 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:56,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 273 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:56,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18853 states. [2022-10-16 15:09:57,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18853 to 18845. [2022-10-16 15:09:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18845 states, 18837 states have (on average 1.419812071985985) internal successors, (26745), 18844 states have internal predecessors, (26745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18845 states to 18845 states and 26745 transitions. [2022-10-16 15:09:57,929 INFO L78 Accepts]: Start accepts. Automaton has 18845 states and 26745 transitions. Word has length 73 [2022-10-16 15:09:57,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:57,930 INFO L495 AbstractCegarLoop]: Abstraction has 18845 states and 26745 transitions. [2022-10-16 15:09:57,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 18845 states and 26745 transitions. [2022-10-16 15:09:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:09:57,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:57,934 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:57,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:09:57,934 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:57,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1382620336, now seen corresponding path program 1 times [2022-10-16 15:09:57,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:57,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975073550] [2022-10-16 15:09:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:57,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:09:58,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:58,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975073550] [2022-10-16 15:09:58,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975073550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:58,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:58,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:58,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541166710] [2022-10-16 15:09:58,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:58,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:58,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:58,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:58,056 INFO L87 Difference]: Start difference. First operand 18845 states and 26745 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:59,387 INFO L93 Difference]: Finished difference Result 38073 states and 54313 transitions. [2022-10-16 15:09:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:09:59,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:09:59,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:59,438 INFO L225 Difference]: With dead ends: 38073 [2022-10-16 15:09:59,438 INFO L226 Difference]: Without dead ends: 20925 [2022-10-16 15:09:59,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:09:59,462 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 338 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:59,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 480 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:59,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20925 states. [2022-10-16 15:10:00,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20925 to 20921. [2022-10-16 15:10:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20921 states, 20913 states have (on average 1.4060632142686367) internal successors, (29405), 20920 states have internal predecessors, (29405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20921 states to 20921 states and 29405 transitions. [2022-10-16 15:10:00,667 INFO L78 Accepts]: Start accepts. Automaton has 20921 states and 29405 transitions. Word has length 74 [2022-10-16 15:10:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:00,667 INFO L495 AbstractCegarLoop]: Abstraction has 20921 states and 29405 transitions. [2022-10-16 15:10:00,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 20921 states and 29405 transitions. [2022-10-16 15:10:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:10:00,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:00,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:00,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:10:00,673 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:00,673 INFO L85 PathProgramCache]: Analyzing trace with hash -50571610, now seen corresponding path program 1 times [2022-10-16 15:10:00,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:00,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375521406] [2022-10-16 15:10:00,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:00,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:10:00,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:00,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375521406] [2022-10-16 15:10:00,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375521406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:00,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:00,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:00,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367691576] [2022-10-16 15:10:00,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:00,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:00,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:00,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:00,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:00,799 INFO L87 Difference]: Start difference. First operand 20921 states and 29405 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:01,963 INFO L93 Difference]: Finished difference Result 42471 states and 60333 transitions. [2022-10-16 15:10:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:01,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:10:01,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:02,019 INFO L225 Difference]: With dead ends: 42471 [2022-10-16 15:10:02,019 INFO L226 Difference]: Without dead ends: 26275 [2022-10-16 15:10:02,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:02,048 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 336 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:02,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 522 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:02,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26275 states. [2022-10-16 15:10:03,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26275 to 25981. [2022-10-16 15:10:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25981 states, 25973 states have (on average 1.389943402764409) internal successors, (36101), 25980 states have internal predecessors, (36101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25981 states to 25981 states and 36101 transitions. [2022-10-16 15:10:03,831 INFO L78 Accepts]: Start accepts. Automaton has 25981 states and 36101 transitions. Word has length 74 [2022-10-16 15:10:03,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:03,832 INFO L495 AbstractCegarLoop]: Abstraction has 25981 states and 36101 transitions. [2022-10-16 15:10:03,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 25981 states and 36101 transitions. [2022-10-16 15:10:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:10:03,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:03,838 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:03,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:10:03,839 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1154900147, now seen corresponding path program 1 times [2022-10-16 15:10:03,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:03,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429357459] [2022-10-16 15:10:03,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:03,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:03,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:03,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429357459] [2022-10-16 15:10:03,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429357459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:03,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:03,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:03,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336237262] [2022-10-16 15:10:03,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:03,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:03,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:03,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:03,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:03,983 INFO L87 Difference]: Start difference. First operand 25981 states and 36101 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:05,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:05,413 INFO L93 Difference]: Finished difference Result 30917 states and 43501 transitions. [2022-10-16 15:10:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:10:05,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:10:05,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:05,467 INFO L225 Difference]: With dead ends: 30917 [2022-10-16 15:10:05,467 INFO L226 Difference]: Without dead ends: 30915 [2022-10-16 15:10:05,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:05,480 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 142 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:05,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 383 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:05,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30915 states. [2022-10-16 15:10:07,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30915 to 30909. [2022-10-16 15:10:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30909 states, 30901 states have (on average 1.3994692728390667) internal successors, (43245), 30908 states have internal predecessors, (43245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30909 states to 30909 states and 43245 transitions. [2022-10-16 15:10:07,176 INFO L78 Accepts]: Start accepts. Automaton has 30909 states and 43245 transitions. Word has length 74 [2022-10-16 15:10:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:07,177 INFO L495 AbstractCegarLoop]: Abstraction has 30909 states and 43245 transitions. [2022-10-16 15:10:07,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 30909 states and 43245 transitions. [2022-10-16 15:10:07,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:10:07,181 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:07,181 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:07,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:10:07,181 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:07,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:07,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1567719557, now seen corresponding path program 1 times [2022-10-16 15:10:07,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:07,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820039488] [2022-10-16 15:10:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:07,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:10:07,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:07,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820039488] [2022-10-16 15:10:07,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820039488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:07,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:07,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:07,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412687379] [2022-10-16 15:10:07,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:07,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:07,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:07,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:07,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:07,302 INFO L87 Difference]: Start difference. First operand 30909 states and 43245 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:09,098 INFO L93 Difference]: Finished difference Result 47163 states and 67181 transitions. [2022-10-16 15:10:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:09,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 15:10:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:09,154 INFO L225 Difference]: With dead ends: 47163 [2022-10-16 15:10:09,154 INFO L226 Difference]: Without dead ends: 45637 [2022-10-16 15:10:09,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:09,164 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 354 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:09,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 372 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:09,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45637 states. [2022-10-16 15:10:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45637 to 30165. [2022-10-16 15:10:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30165 states, 30157 states have (on average 1.422455814570415) internal successors, (42897), 30164 states have internal predecessors, (42897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30165 states to 30165 states and 42897 transitions. [2022-10-16 15:10:11,052 INFO L78 Accepts]: Start accepts. Automaton has 30165 states and 42897 transitions. Word has length 75 [2022-10-16 15:10:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:11,053 INFO L495 AbstractCegarLoop]: Abstraction has 30165 states and 42897 transitions. [2022-10-16 15:10:11,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 30165 states and 42897 transitions. [2022-10-16 15:10:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:10:11,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:11,056 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:11,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:10:11,057 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1442166538, now seen corresponding path program 1 times [2022-10-16 15:10:11,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:11,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377556639] [2022-10-16 15:10:11,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:11,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:11,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377556639] [2022-10-16 15:10:11,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377556639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:11,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:11,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:11,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960489704] [2022-10-16 15:10:11,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:11,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:11,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:11,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:11,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:11,155 INFO L87 Difference]: Start difference. First operand 30165 states and 42897 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:12,347 INFO L93 Difference]: Finished difference Result 30167 states and 42897 transitions. [2022-10-16 15:10:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:10:12,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 15:10:12,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:12,494 INFO L225 Difference]: With dead ends: 30167 [2022-10-16 15:10:12,494 INFO L226 Difference]: Without dead ends: 30165 [2022-10-16 15:10:12,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:12,502 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 153 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:12,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 288 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30165 states. [2022-10-16 15:10:13,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30165 to 26995. [2022-10-16 15:10:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26995 states, 26989 states have (on average 1.3929008114416985) internal successors, (37593), 26994 states have internal predecessors, (37593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26995 states to 26995 states and 37593 transitions. [2022-10-16 15:10:14,000 INFO L78 Accepts]: Start accepts. Automaton has 26995 states and 37593 transitions. Word has length 75 [2022-10-16 15:10:14,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:14,000 INFO L495 AbstractCegarLoop]: Abstraction has 26995 states and 37593 transitions. [2022-10-16 15:10:14,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 26995 states and 37593 transitions. [2022-10-16 15:10:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:10:14,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:14,003 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:14,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:10:14,004 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:14,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:14,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1757490069, now seen corresponding path program 1 times [2022-10-16 15:10:14,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:14,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979320664] [2022-10-16 15:10:14,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:14,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:14,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:14,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979320664] [2022-10-16 15:10:14,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979320664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:14,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:14,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:14,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47520185] [2022-10-16 15:10:14,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:14,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:14,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:14,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:14,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:14,120 INFO L87 Difference]: Start difference. First operand 26995 states and 37593 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:15,908 INFO L93 Difference]: Finished difference Result 48807 states and 68913 transitions. [2022-10-16 15:10:15,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:15,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:10:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:15,943 INFO L225 Difference]: With dead ends: 48807 [2022-10-16 15:10:15,943 INFO L226 Difference]: Without dead ends: 31641 [2022-10-16 15:10:15,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:15,958 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 332 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:15,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 489 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:15,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31641 states. [2022-10-16 15:10:17,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31641 to 31351. [2022-10-16 15:10:17,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31351 states, 31345 states have (on average 1.383091402137502) internal successors, (43353), 31350 states have internal predecessors, (43353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31351 states to 31351 states and 43353 transitions. [2022-10-16 15:10:17,600 INFO L78 Accepts]: Start accepts. Automaton has 31351 states and 43353 transitions. Word has length 76 [2022-10-16 15:10:17,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:17,601 INFO L495 AbstractCegarLoop]: Abstraction has 31351 states and 43353 transitions. [2022-10-16 15:10:17,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31351 states and 43353 transitions. [2022-10-16 15:10:17,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:10:17,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:17,604 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:17,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:10:17,605 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:17,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1352382356, now seen corresponding path program 1 times [2022-10-16 15:10:17,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:17,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925882450] [2022-10-16 15:10:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:17,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:17,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925882450] [2022-10-16 15:10:17,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925882450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:17,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:17,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:17,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660870830] [2022-10-16 15:10:17,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:17,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:17,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:17,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:17,717 INFO L87 Difference]: Start difference. First operand 31351 states and 43353 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:19,584 INFO L93 Difference]: Finished difference Result 45987 states and 64353 transitions. [2022-10-16 15:10:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:19,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:10:19,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:19,631 INFO L225 Difference]: With dead ends: 45987 [2022-10-16 15:10:19,631 INFO L226 Difference]: Without dead ends: 44717 [2022-10-16 15:10:19,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:19,641 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 344 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:19,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 376 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44717 states. [2022-10-16 15:10:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44717 to 28555. [2022-10-16 15:10:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28555 states, 28549 states have (on average 1.3902063119548846) internal successors, (39689), 28554 states have internal predecessors, (39689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28555 states to 28555 states and 39689 transitions. [2022-10-16 15:10:21,264 INFO L78 Accepts]: Start accepts. Automaton has 28555 states and 39689 transitions. Word has length 77 [2022-10-16 15:10:21,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:21,265 INFO L495 AbstractCegarLoop]: Abstraction has 28555 states and 39689 transitions. [2022-10-16 15:10:21,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28555 states and 39689 transitions. [2022-10-16 15:10:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:10:21,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:21,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:21,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:10:21,269 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:21,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:21,269 INFO L85 PathProgramCache]: Analyzing trace with hash -161129513, now seen corresponding path program 1 times [2022-10-16 15:10:21,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:21,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744511409] [2022-10-16 15:10:21,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:21,385 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:10:21,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:21,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744511409] [2022-10-16 15:10:21,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744511409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:21,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:21,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:21,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125500123] [2022-10-16 15:10:21,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:21,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:21,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:21,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:21,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:21,388 INFO L87 Difference]: Start difference. First operand 28555 states and 39689 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:23,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:23,479 INFO L93 Difference]: Finished difference Result 32731 states and 45345 transitions. [2022-10-16 15:10:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:23,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 15:10:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:23,515 INFO L225 Difference]: With dead ends: 32731 [2022-10-16 15:10:23,515 INFO L226 Difference]: Without dead ends: 30239 [2022-10-16 15:10:23,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:23,524 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 229 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:23,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 626 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:23,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30239 states. [2022-10-16 15:10:25,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30239 to 29953. [2022-10-16 15:10:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29953 states, 29947 states have (on average 1.3816075065949844) internal successors, (41375), 29952 states have internal predecessors, (41375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29953 states to 29953 states and 41375 transitions. [2022-10-16 15:10:25,190 INFO L78 Accepts]: Start accepts. Automaton has 29953 states and 41375 transitions. Word has length 78 [2022-10-16 15:10:25,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:25,190 INFO L495 AbstractCegarLoop]: Abstraction has 29953 states and 41375 transitions. [2022-10-16 15:10:25,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29953 states and 41375 transitions. [2022-10-16 15:10:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:10:25,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:25,194 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:25,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:10:25,194 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:25,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:25,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1384396132, now seen corresponding path program 1 times [2022-10-16 15:10:25,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:25,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504289625] [2022-10-16 15:10:25,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:25,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:25,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504289625] [2022-10-16 15:10:25,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504289625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:25,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:25,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:25,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971958677] [2022-10-16 15:10:25,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:25,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:25,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:25,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:25,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:25,298 INFO L87 Difference]: Start difference. First operand 29953 states and 41375 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:27,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:27,067 INFO L93 Difference]: Finished difference Result 40429 states and 56671 transitions. [2022-10-16 15:10:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:10:27,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 15:10:27,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:27,109 INFO L225 Difference]: With dead ends: 40429 [2022-10-16 15:10:27,109 INFO L226 Difference]: Without dead ends: 40427 [2022-10-16 15:10:27,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:27,117 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 181 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:27,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 459 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40427 states. [2022-10-16 15:10:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40427 to 36361. [2022-10-16 15:10:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36361 states, 36355 states have (on average 1.3858616421400083) internal successors, (50383), 36360 states have internal predecessors, (50383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36361 states to 36361 states and 50383 transitions. [2022-10-16 15:10:29,053 INFO L78 Accepts]: Start accepts. Automaton has 36361 states and 50383 transitions. Word has length 78 [2022-10-16 15:10:29,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:29,053 INFO L495 AbstractCegarLoop]: Abstraction has 36361 states and 50383 transitions. [2022-10-16 15:10:29,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 36361 states and 50383 transitions. [2022-10-16 15:10:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:10:29,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:29,056 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:29,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:10:29,057 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:29,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1526686908, now seen corresponding path program 1 times [2022-10-16 15:10:29,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:29,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407832713] [2022-10-16 15:10:29,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:29,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:29,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407832713] [2022-10-16 15:10:29,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407832713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:29,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:29,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:29,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892218544] [2022-10-16 15:10:29,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:29,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:29,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:29,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:29,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:29,175 INFO L87 Difference]: Start difference. First operand 36361 states and 50383 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:31,396 INFO L93 Difference]: Finished difference Result 42173 states and 58415 transitions. [2022-10-16 15:10:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:31,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 15:10:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:31,435 INFO L225 Difference]: With dead ends: 42173 [2022-10-16 15:10:31,436 INFO L226 Difference]: Without dead ends: 40439 [2022-10-16 15:10:31,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:31,444 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 235 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:31,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 528 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:31,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40439 states. [2022-10-16 15:10:33,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40439 to 38997. [2022-10-16 15:10:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38997 states, 38991 states have (on average 1.3832679336257085) internal successors, (53935), 38996 states have internal predecessors, (53935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38997 states to 38997 states and 53935 transitions. [2022-10-16 15:10:33,404 INFO L78 Accepts]: Start accepts. Automaton has 38997 states and 53935 transitions. Word has length 80 [2022-10-16 15:10:33,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:33,404 INFO L495 AbstractCegarLoop]: Abstraction has 38997 states and 53935 transitions. [2022-10-16 15:10:33,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 38997 states and 53935 transitions. [2022-10-16 15:10:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:10:33,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:33,407 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:33,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:10:33,407 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:33,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:33,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1035167738, now seen corresponding path program 1 times [2022-10-16 15:10:33,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:33,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002914614] [2022-10-16 15:10:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:33,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:33,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:33,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002914614] [2022-10-16 15:10:33,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002914614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:33,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:33,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:33,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403978690] [2022-10-16 15:10:33,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:33,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:33,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:33,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:33,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:33,530 INFO L87 Difference]: Start difference. First operand 38997 states and 53935 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:35,782 INFO L93 Difference]: Finished difference Result 50623 states and 70575 transitions. [2022-10-16 15:10:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 15:10:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:35,850 INFO L225 Difference]: With dead ends: 50623 [2022-10-16 15:10:35,850 INFO L226 Difference]: Without dead ends: 50337 [2022-10-16 15:10:35,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:35,864 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 249 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:35,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 532 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:35,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50337 states. [2022-10-16 15:10:38,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50337 to 48025. [2022-10-16 15:10:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48025 states, 48019 states have (on average 1.3839313605031343) internal successors, (66455), 48024 states have internal predecessors, (66455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48025 states to 48025 states and 66455 transitions. [2022-10-16 15:10:38,170 INFO L78 Accepts]: Start accepts. Automaton has 48025 states and 66455 transitions. Word has length 80 [2022-10-16 15:10:38,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:38,171 INFO L495 AbstractCegarLoop]: Abstraction has 48025 states and 66455 transitions. [2022-10-16 15:10:38,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 48025 states and 66455 transitions. [2022-10-16 15:10:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:10:38,174 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:38,174 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:38,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:10:38,175 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:38,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:38,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2025428453, now seen corresponding path program 1 times [2022-10-16 15:10:38,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:38,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890426549] [2022-10-16 15:10:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:38,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:38,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:38,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890426549] [2022-10-16 15:10:38,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890426549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:38,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:38,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:38,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518286297] [2022-10-16 15:10:38,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:38,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:38,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:38,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:38,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:38,296 INFO L87 Difference]: Start difference. First operand 48025 states and 66455 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:40,459 INFO L93 Difference]: Finished difference Result 59920 states and 82653 transitions. [2022-10-16 15:10:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 15:10:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:40,506 INFO L225 Difference]: With dead ends: 59920 [2022-10-16 15:10:40,506 INFO L226 Difference]: Without dead ends: 39160 [2022-10-16 15:10:40,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:40,523 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 225 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:40,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 528 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:40,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39160 states. [2022-10-16 15:10:42,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39160 to 29369. [2022-10-16 15:10:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29369 states, 29363 states have (on average 1.367264925246058) internal successors, (40147), 29368 states have internal predecessors, (40147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29369 states to 29369 states and 40147 transitions. [2022-10-16 15:10:42,414 INFO L78 Accepts]: Start accepts. Automaton has 29369 states and 40147 transitions. Word has length 81 [2022-10-16 15:10:42,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:42,414 INFO L495 AbstractCegarLoop]: Abstraction has 29369 states and 40147 transitions. [2022-10-16 15:10:42,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29369 states and 40147 transitions. [2022-10-16 15:10:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:10:42,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:42,417 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:42,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:10:42,417 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:42,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 853102111, now seen corresponding path program 1 times [2022-10-16 15:10:42,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:42,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896080724] [2022-10-16 15:10:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:42,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:42,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896080724] [2022-10-16 15:10:42,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896080724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:42,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:42,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496881140] [2022-10-16 15:10:42,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:42,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:42,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:42,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:42,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:42,549 INFO L87 Difference]: Start difference. First operand 29369 states and 40147 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:44,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:44,500 INFO L93 Difference]: Finished difference Result 31881 states and 43471 transitions. [2022-10-16 15:10:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:44,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:10:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:44,533 INFO L225 Difference]: With dead ends: 31881 [2022-10-16 15:10:44,533 INFO L226 Difference]: Without dead ends: 28968 [2022-10-16 15:10:44,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:44,539 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 249 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:44,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 770 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28968 states. [2022-10-16 15:10:46,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28968 to 28393. [2022-10-16 15:10:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28393 states, 28387 states have (on average 1.3689012576179238) internal successors, (38859), 28392 states have internal predecessors, (38859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28393 states to 28393 states and 38859 transitions. [2022-10-16 15:10:46,220 INFO L78 Accepts]: Start accepts. Automaton has 28393 states and 38859 transitions. Word has length 84 [2022-10-16 15:10:46,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:46,220 INFO L495 AbstractCegarLoop]: Abstraction has 28393 states and 38859 transitions. [2022-10-16 15:10:46,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28393 states and 38859 transitions. [2022-10-16 15:10:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:10:46,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:46,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:46,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:10:46,229 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:46,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:46,229 INFO L85 PathProgramCache]: Analyzing trace with hash 875658733, now seen corresponding path program 1 times [2022-10-16 15:10:46,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:46,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925057051] [2022-10-16 15:10:46,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:46,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 15:10:46,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:46,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925057051] [2022-10-16 15:10:46,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925057051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:46,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:46,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673215748] [2022-10-16 15:10:46,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:46,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:46,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:46,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:46,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:46,310 INFO L87 Difference]: Start difference. First operand 28393 states and 38859 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:47,301 INFO L93 Difference]: Finished difference Result 31978 states and 43750 transitions. [2022-10-16 15:10:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:47,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:10:47,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:47,321 INFO L225 Difference]: With dead ends: 31978 [2022-10-16 15:10:47,321 INFO L226 Difference]: Without dead ends: 19180 [2022-10-16 15:10:47,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:47,333 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 51 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:47,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 269 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19180 states. [2022-10-16 15:10:48,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19180 to 19154. [2022-10-16 15:10:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19154 states, 19148 states have (on average 1.358105285147274) internal successors, (26005), 19153 states have internal predecessors, (26005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19154 states to 19154 states and 26005 transitions. [2022-10-16 15:10:48,589 INFO L78 Accepts]: Start accepts. Automaton has 19154 states and 26005 transitions. Word has length 105 [2022-10-16 15:10:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:48,589 INFO L495 AbstractCegarLoop]: Abstraction has 19154 states and 26005 transitions. [2022-10-16 15:10:48,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 19154 states and 26005 transitions. [2022-10-16 15:10:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:10:48,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:48,595 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:48,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:10:48,595 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1693102408, now seen corresponding path program 1 times [2022-10-16 15:10:48,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:48,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953031967] [2022-10-16 15:10:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:48,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 15:10:48,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:48,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953031967] [2022-10-16 15:10:48,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953031967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:48,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:48,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:48,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940303131] [2022-10-16 15:10:48,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:48,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:48,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:48,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:48,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:48,672 INFO L87 Difference]: Start difference. First operand 19154 states and 26005 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:49,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:49,335 INFO L93 Difference]: Finished difference Result 20577 states and 27810 transitions. [2022-10-16 15:10:49,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:49,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:10:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:49,350 INFO L225 Difference]: With dead ends: 20577 [2022-10-16 15:10:49,350 INFO L226 Difference]: Without dead ends: 13021 [2022-10-16 15:10:49,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:49,358 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 45 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:49,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 243 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:49,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13021 states. [2022-10-16 15:10:50,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13021 to 13012. [2022-10-16 15:10:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13012 states, 13006 states have (on average 1.3359218822082115) internal successors, (17375), 13011 states have internal predecessors, (17375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13012 states to 13012 states and 17375 transitions. [2022-10-16 15:10:50,095 INFO L78 Accepts]: Start accepts. Automaton has 13012 states and 17375 transitions. Word has length 105 [2022-10-16 15:10:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:50,095 INFO L495 AbstractCegarLoop]: Abstraction has 13012 states and 17375 transitions. [2022-10-16 15:10:50,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 13012 states and 17375 transitions. [2022-10-16 15:10:50,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:10:50,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:50,101 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:50,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:10:50,101 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:50,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:50,101 INFO L85 PathProgramCache]: Analyzing trace with hash -680869448, now seen corresponding path program 2 times [2022-10-16 15:10:50,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:50,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784012275] [2022-10-16 15:10:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:50,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 15:10:50,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784012275] [2022-10-16 15:10:50,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784012275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:50,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:50,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:50,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777545098] [2022-10-16 15:10:50,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:50,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:50,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:50,241 INFO L87 Difference]: Start difference. First operand 13012 states and 17375 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:51,225 INFO L93 Difference]: Finished difference Result 13434 states and 17915 transitions. [2022-10-16 15:10:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:51,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 15:10:51,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:51,238 INFO L225 Difference]: With dead ends: 13434 [2022-10-16 15:10:51,238 INFO L226 Difference]: Without dead ends: 12172 [2022-10-16 15:10:51,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:51,243 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 184 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:51,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 509 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:10:51,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12172 states. [2022-10-16 15:10:51,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12172 to 11332. [2022-10-16 15:10:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11332 states, 11326 states have (on average 1.3404555889104715) internal successors, (15182), 11331 states have internal predecessors, (15182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11332 states to 11332 states and 15182 transitions. [2022-10-16 15:10:51,908 INFO L78 Accepts]: Start accepts. Automaton has 11332 states and 15182 transitions. Word has length 106 [2022-10-16 15:10:51,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:51,908 INFO L495 AbstractCegarLoop]: Abstraction has 11332 states and 15182 transitions. [2022-10-16 15:10:51,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 11332 states and 15182 transitions. [2022-10-16 15:10:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:10:51,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:51,913 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:51,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:10:51,913 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:51,914 INFO L85 PathProgramCache]: Analyzing trace with hash -818091549, now seen corresponding path program 2 times [2022-10-16 15:10:51,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:51,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593257027] [2022-10-16 15:10:51,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:51,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:52,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:52,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593257027] [2022-10-16 15:10:52,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593257027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:52,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:52,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:52,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083964185] [2022-10-16 15:10:52,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:52,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:52,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:52,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:52,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:52,030 INFO L87 Difference]: Start difference. First operand 11332 states and 15182 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:52,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:52,973 INFO L93 Difference]: Finished difference Result 11827 states and 15814 transitions. [2022-10-16 15:10:52,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:10:52,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 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 106 [2022-10-16 15:10:52,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:52,983 INFO L225 Difference]: With dead ends: 11827 [2022-10-16 15:10:52,984 INFO L226 Difference]: Without dead ends: 11825 [2022-10-16 15:10:52,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:52,986 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 135 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:52,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 535 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:52,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11825 states. [2022-10-16 15:10:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11825 to 11330. [2022-10-16 15:10:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11330 states, 11326 states have (on average 1.3178527282359174) internal successors, (14926), 11329 states have internal predecessors, (14926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11330 states to 11330 states and 14926 transitions. [2022-10-16 15:10:53,556 INFO L78 Accepts]: Start accepts. Automaton has 11330 states and 14926 transitions. Word has length 106 [2022-10-16 15:10:53,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:53,557 INFO L495 AbstractCegarLoop]: Abstraction has 11330 states and 14926 transitions. [2022-10-16 15:10:53,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 11330 states and 14926 transitions. [2022-10-16 15:10:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:10:53,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:53,561 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:53,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:10:53,562 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:53,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:53,562 INFO L85 PathProgramCache]: Analyzing trace with hash -318428159, now seen corresponding path program 2 times [2022-10-16 15:10:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:53,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212771225] [2022-10-16 15:10:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:53,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 15:10:53,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:53,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212771225] [2022-10-16 15:10:53,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212771225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:53,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:53,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124990995] [2022-10-16 15:10:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:53,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:53,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:53,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:53,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:53,698 INFO L87 Difference]: Start difference. First operand 11330 states and 14926 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:54,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:54,506 INFO L93 Difference]: Finished difference Result 11920 states and 15694 transitions. [2022-10-16 15:10:54,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:54,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 108 [2022-10-16 15:10:54,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:54,516 INFO L225 Difference]: With dead ends: 11920 [2022-10-16 15:10:54,516 INFO L226 Difference]: Without dead ends: 10510 [2022-10-16 15:10:54,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:54,520 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 189 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:54,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 512 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:54,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10510 states. [2022-10-16 15:10:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10510 to 9334. [2022-10-16 15:10:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9334 states, 9330 states have (on average 1.3214362272240086) internal successors, (12329), 9333 states have internal predecessors, (12329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9334 states to 9334 states and 12329 transitions. [2022-10-16 15:10:55,022 INFO L78 Accepts]: Start accepts. Automaton has 9334 states and 12329 transitions. Word has length 108 [2022-10-16 15:10:55,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:55,022 INFO L495 AbstractCegarLoop]: Abstraction has 9334 states and 12329 transitions. [2022-10-16 15:10:55,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 9334 states and 12329 transitions. [2022-10-16 15:10:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:10:55,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:55,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:55,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:10:55,026 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:55,027 INFO L85 PathProgramCache]: Analyzing trace with hash -206952251, now seen corresponding path program 2 times [2022-10-16 15:10:55,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:55,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513861324] [2022-10-16 15:10:55,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:55,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:55,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513861324] [2022-10-16 15:10:55,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513861324] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:55,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:55,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:55,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745104651] [2022-10-16 15:10:55,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:55,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:55,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:55,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:55,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:55,160 INFO L87 Difference]: Start difference. First operand 9334 states and 12329 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:55,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:55,825 INFO L93 Difference]: Finished difference Result 9338 states and 12329 transitions. [2022-10-16 15:10:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:55,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 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 108 [2022-10-16 15:10:55,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:55,833 INFO L225 Difference]: With dead ends: 9338 [2022-10-16 15:10:55,833 INFO L226 Difference]: Without dead ends: 9048 [2022-10-16 15:10:55,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:55,835 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 181 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:55,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 486 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:55,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9048 states. [2022-10-16 15:10:56,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9048 to 9046. [2022-10-16 15:10:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9046 states, 9042 states have (on average 1.3064587480645875) internal successors, (11813), 9045 states have internal predecessors, (11813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9046 states to 9046 states and 11813 transitions. [2022-10-16 15:10:56,272 INFO L78 Accepts]: Start accepts. Automaton has 9046 states and 11813 transitions. Word has length 108 [2022-10-16 15:10:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:56,272 INFO L495 AbstractCegarLoop]: Abstraction has 9046 states and 11813 transitions. [2022-10-16 15:10:56,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 9046 states and 11813 transitions. [2022-10-16 15:10:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:10:56,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:56,276 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:56,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 15:10:56,276 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:56,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:56,277 INFO L85 PathProgramCache]: Analyzing trace with hash -2120552132, now seen corresponding path program 2 times [2022-10-16 15:10:56,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:56,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950563536] [2022-10-16 15:10:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:56,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:56,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950563536] [2022-10-16 15:10:56,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950563536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:56,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:56,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:56,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124822690] [2022-10-16 15:10:56,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:56,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:56,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:56,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:56,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:56,412 INFO L87 Difference]: Start difference. First operand 9046 states and 11813 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:56,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:56,938 INFO L93 Difference]: Finished difference Result 12294 states and 16065 transitions. [2022-10-16 15:10:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:56,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 109 [2022-10-16 15:10:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:56,945 INFO L225 Difference]: With dead ends: 12294 [2022-10-16 15:10:56,946 INFO L226 Difference]: Without dead ends: 6244 [2022-10-16 15:10:56,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:56,950 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 176 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:56,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 421 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2022-10-16 15:10:57,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 4362. [2022-10-16 15:10:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4362 states, 4361 states have (on average 1.2714973629901398) internal successors, (5545), 4361 states have internal predecessors, (5545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 5545 transitions. [2022-10-16 15:10:57,214 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 5545 transitions. Word has length 109 [2022-10-16 15:10:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:57,214 INFO L495 AbstractCegarLoop]: Abstraction has 4362 states and 5545 transitions. [2022-10-16 15:10:57,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 5545 transitions. [2022-10-16 15:10:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:10:57,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:57,217 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:57,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 15:10:57,217 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:57,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash 820328796, now seen corresponding path program 1 times [2022-10-16 15:10:57,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:57,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498528764] [2022-10-16 15:10:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 15:10:57,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:57,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498528764] [2022-10-16 15:10:57,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498528764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:57,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:57,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:57,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685619846] [2022-10-16 15:10:57,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:57,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:57,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:57,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:57,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:57,288 INFO L87 Difference]: Start difference. First operand 4362 states and 5545 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:57,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:57,577 INFO L93 Difference]: Finished difference Result 4364 states and 5546 transitions. [2022-10-16 15:10:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:57,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:10:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:57,581 INFO L225 Difference]: With dead ends: 4364 [2022-10-16 15:10:57,581 INFO L226 Difference]: Without dead ends: 3047 [2022-10-16 15:10:57,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:57,583 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 27 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:57,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 126 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:57,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2022-10-16 15:10:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 3046. [2022-10-16 15:10:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3045 states have (on average 1.2627257799671592) internal successors, (3845), 3045 states have internal predecessors, (3845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 3845 transitions. [2022-10-16 15:10:57,760 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 3845 transitions. Word has length 111 [2022-10-16 15:10:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:57,760 INFO L495 AbstractCegarLoop]: Abstraction has 3046 states and 3845 transitions. [2022-10-16 15:10:57,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3845 transitions. [2022-10-16 15:10:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:10:57,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:57,764 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:57,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 15:10:57,764 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1258985905, now seen corresponding path program 1 times [2022-10-16 15:10:57,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:57,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190636585] [2022-10-16 15:10:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:57,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:57,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:57,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190636585] [2022-10-16 15:10:57,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190636585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:57,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:57,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:57,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995094178] [2022-10-16 15:10:57,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:57,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:57,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:57,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:57,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:57,909 INFO L87 Difference]: Start difference. First operand 3046 states and 3845 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:58,288 INFO L93 Difference]: Finished difference Result 3840 states and 4865 transitions. [2022-10-16 15:10:58,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:58,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 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 112 [2022-10-16 15:10:58,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:58,292 INFO L225 Difference]: With dead ends: 3840 [2022-10-16 15:10:58,292 INFO L226 Difference]: Without dead ends: 2999 [2022-10-16 15:10:58,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:58,294 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 157 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:58,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 545 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:58,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2022-10-16 15:10:58,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2998. [2022-10-16 15:10:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2997 states have (on average 1.261594928261595) internal successors, (3781), 2997 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3781 transitions. [2022-10-16 15:10:58,477 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3781 transitions. Word has length 112 [2022-10-16 15:10:58,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:58,478 INFO L495 AbstractCegarLoop]: Abstraction has 2998 states and 3781 transitions. [2022-10-16 15:10:58,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3781 transitions. [2022-10-16 15:10:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:10:58,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:58,480 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:58,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 15:10:58,480 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:58,481 INFO L85 PathProgramCache]: Analyzing trace with hash -299506215, now seen corresponding path program 2 times [2022-10-16 15:10:58,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:58,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765758977] [2022-10-16 15:10:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:58,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:58,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:58,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765758977] [2022-10-16 15:10:58,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765758977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:58,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:58,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:58,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904602832] [2022-10-16 15:10:58,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:58,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:58,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:58,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:58,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:58,625 INFO L87 Difference]: Start difference. First operand 2998 states and 3781 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:58,966 INFO L93 Difference]: Finished difference Result 4164 states and 5273 transitions. [2022-10-16 15:10:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:58,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 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 112 [2022-10-16 15:10:58,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:58,969 INFO L225 Difference]: With dead ends: 4164 [2022-10-16 15:10:58,970 INFO L226 Difference]: Without dead ends: 2999 [2022-10-16 15:10:58,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:58,971 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 160 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:58,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 523 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:58,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2022-10-16 15:10:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2998. [2022-10-16 15:10:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2997 states have (on average 1.2562562562562563) internal successors, (3765), 2997 states have internal predecessors, (3765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3765 transitions. [2022-10-16 15:10:59,165 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3765 transitions. Word has length 112 [2022-10-16 15:10:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:59,165 INFO L495 AbstractCegarLoop]: Abstraction has 2998 states and 3765 transitions. [2022-10-16 15:10:59,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3765 transitions. [2022-10-16 15:10:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:10:59,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:59,167 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:59,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 15:10:59,167 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:59,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1571525235, now seen corresponding path program 2 times [2022-10-16 15:10:59,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:59,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646791424] [2022-10-16 15:10:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:59,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:10:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:59,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646791424] [2022-10-16 15:10:59,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646791424] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:59,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:59,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:59,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430924232] [2022-10-16 15:10:59,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:59,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:59,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:59,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:59,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:59,306 INFO L87 Difference]: Start difference. First operand 2998 states and 3765 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:59,637 INFO L93 Difference]: Finished difference Result 3248 states and 4077 transitions. [2022-10-16 15:10:59,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:59,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 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 113 [2022-10-16 15:10:59,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:59,640 INFO L225 Difference]: With dead ends: 3248 [2022-10-16 15:10:59,640 INFO L226 Difference]: Without dead ends: 2703 [2022-10-16 15:10:59,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:59,641 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 164 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:59,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 606 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2703 states. [2022-10-16 15:10:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2703 to 2454. [2022-10-16 15:10:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 2453 states have (on average 1.2478597635548307) internal successors, (3061), 2453 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3061 transitions. [2022-10-16 15:10:59,784 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3061 transitions. Word has length 113 [2022-10-16 15:10:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:59,784 INFO L495 AbstractCegarLoop]: Abstraction has 2454 states and 3061 transitions. [2022-10-16 15:10:59,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3061 transitions. [2022-10-16 15:10:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:10:59,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:59,786 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:59,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 15:10:59,786 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:59,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:59,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1368730611, now seen corresponding path program 3 times [2022-10-16 15:10:59,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:59,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479497089] [2022-10-16 15:10:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:59,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:59,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:59,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479497089] [2022-10-16 15:10:59,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479497089] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:59,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:59,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:59,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110115595] [2022-10-16 15:10:59,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:59,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:59,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:59,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:59,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:59,913 INFO L87 Difference]: Start difference. First operand 2454 states and 3061 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:00,122 INFO L93 Difference]: Finished difference Result 2455 states and 3061 transitions. [2022-10-16 15:11:00,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:00,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 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 113 [2022-10-16 15:11:00,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:00,124 INFO L225 Difference]: With dead ends: 2455 [2022-10-16 15:11:00,124 INFO L226 Difference]: Without dead ends: 1538 [2022-10-16 15:11:00,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:00,125 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 149 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:00,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 512 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2022-10-16 15:11:00,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1538. [2022-10-16 15:11:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1537 states have (on average 1.2420299284320104) internal successors, (1909), 1537 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 1909 transitions. [2022-10-16 15:11:00,215 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 1909 transitions. Word has length 113 [2022-10-16 15:11:00,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:00,215 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 1909 transitions. [2022-10-16 15:11:00,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1909 transitions. [2022-10-16 15:11:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 15:11:00,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:00,217 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:00,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 15:11:00,217 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:11:00,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:00,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1504856264, now seen corresponding path program 1 times [2022-10-16 15:11:00,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:00,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124664525] [2022-10-16 15:11:00,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:00,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:11:00,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:00,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124664525] [2022-10-16 15:11:00,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124664525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:00,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:00,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:00,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925137081] [2022-10-16 15:11:00,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:00,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:00,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:00,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:00,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:00,374 INFO L87 Difference]: Start difference. First operand 1538 states and 1909 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:00,570 INFO L93 Difference]: Finished difference Result 1538 states and 1909 transitions. [2022-10-16 15:11:00,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:00,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 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 139 [2022-10-16 15:11:00,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:00,571 INFO L225 Difference]: With dead ends: 1538 [2022-10-16 15:11:00,571 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 15:11:00,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:00,572 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 135 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:00,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 678 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 15:11:00,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 15:11:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 15:11:00,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-10-16 15:11:00,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:00,574 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 15:11:00,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 15:11:00,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 15:11:00,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 15:11:00,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 15:11:00,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 15:11:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 15:11:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 15:11:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 15:11:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 15:11:00,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 15:11:00,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 15:11:00,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 15:11:00,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 15:11:00,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 15:11:00,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 15:11:00,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 15:11:00,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 15:11:00,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 15:12:59,747 WARN L233 SmtUtils]: Spent 1.99m on a formula simplification. DAG size of input: 3850 DAG size of output: 3846 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)