/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:33:17,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:33:17,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:33:17,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:33:17,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:33:17,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:33:17,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:33:17,429 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 16:33:17,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:33:17,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:33:17,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:33:17,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:33:17,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:33:17,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:33:17,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:33:17,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:33:17,464 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:33:17,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:33:17,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:33:17,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:33:17,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:33:17,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:33:17,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:33:17,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:33:17,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:33:17,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:33:17,468 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:33:17,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:33:17,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:33:17,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:33:17,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:33:17,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:33:17,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:33:17,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:33:17,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:33:17,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:33:17,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:33:17,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:33:17,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:33:17,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:33:17,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:33:17,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:33:17,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:33:17,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:33:17,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:33:17,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:33:17,936 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:33:17,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2022-10-16 16:33:18,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5038de843/e48c52eba1b84c89afa08ef6d99e7fdb/FLAG29b49d19c [2022-10-16 16:33:18,841 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:33:18,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2022-10-16 16:33:18,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5038de843/e48c52eba1b84c89afa08ef6d99e7fdb/FLAG29b49d19c [2022-10-16 16:33:19,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5038de843/e48c52eba1b84c89afa08ef6d99e7fdb [2022-10-16 16:33:19,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:33:19,102 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:33:19,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:33:19,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:33:19,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:33:19,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:33:19" (1/1) ... [2022-10-16 16:33:19,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dfeff41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:19, skipping insertion in model container [2022-10-16 16:33:19,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:33:19" (1/1) ... [2022-10-16 16:33:19,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:33:19,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:33:19,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c[13915,13928] [2022-10-16 16:33:19,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:33:19,732 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:33:19,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c[13915,13928] [2022-10-16 16:33:20,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:33:20,062 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:33:20,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20 WrapperNode [2022-10-16 16:33:20,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:33:20,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:33:20,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:33:20,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:33:20,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,196 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1304 [2022-10-16 16:33:20,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:33:20,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:33:20,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:33:20,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:33:20,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:33:20,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:33:20,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:33:20,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:33:20,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (1/1) ... [2022-10-16 16:33:20,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:33:20,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:33:20,333 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 16:33:20,356 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 16:33:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:33:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:33:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:33:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:33:20,625 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:33:20,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:33:22,060 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:33:22,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:33:22,075 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:33:22,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:33:22 BoogieIcfgContainer [2022-10-16 16:33:22,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:33:22,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:33:22,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:33:22,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:33:22,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:33:19" (1/3) ... [2022-10-16 16:33:22,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9c903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:33:22, skipping insertion in model container [2022-10-16 16:33:22,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:33:20" (2/3) ... [2022-10-16 16:33:22,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9c903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:33:22, skipping insertion in model container [2022-10-16 16:33:22,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:33:22" (3/3) ... [2022-10-16 16:33:22,088 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2022-10-16 16:33:22,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:33:22,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-16 16:33:22,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:33:22,199 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;@512d9118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:33:22,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-16 16:33:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 576 states, 447 states have (on average 1.7628635346756152) internal successors, (788), 575 states have internal predecessors, (788), 0 states have call successors, (0), 0 states 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 16:33:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:33:22,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:22,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:22,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:22,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1082055973, now seen corresponding path program 1 times [2022-10-16 16:33:22,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:22,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135894718] [2022-10-16 16:33:22,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:22,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:22,671 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 16:33:22,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:22,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135894718] [2022-10-16 16:33:22,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135894718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:22,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:22,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:33:22,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803739852] [2022-10-16 16:33:22,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:22,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:33:22,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:33:22,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:33:22,739 INFO L87 Difference]: Start difference. First operand has 576 states, 447 states have (on average 1.7628635346756152) internal successors, (788), 575 states have internal predecessors, (788), 0 states have call successors, (0), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states 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 16:33:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:22,992 INFO L93 Difference]: Finished difference Result 1105 states and 1496 transitions. [2022-10-16 16:33:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:33:22,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 16:33:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:23,025 INFO L225 Difference]: With dead ends: 1105 [2022-10-16 16:33:23,025 INFO L226 Difference]: Without dead ends: 565 [2022-10-16 16:33:23,036 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 16:33:23,042 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 701 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:23,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1594 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:33:23,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2022-10-16 16:33:23,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2022-10-16 16:33:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 445 states have (on average 1.6471910112359551) internal successors, (733), 564 states have internal predecessors, (733), 0 states have call successors, (0), 0 states 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 16:33:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 733 transitions. [2022-10-16 16:33:23,147 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 733 transitions. Word has length 8 [2022-10-16 16:33:23,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:23,147 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 733 transitions. [2022-10-16 16:33:23,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states 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 16:33:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 733 transitions. [2022-10-16 16:33:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:33:23,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:23,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:23,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:33:23,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:23,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:23,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1412458116, now seen corresponding path program 1 times [2022-10-16 16:33:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:23,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229079366] [2022-10-16 16:33:23,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:23,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:23,438 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 16:33:23,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:23,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229079366] [2022-10-16 16:33:23,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229079366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:23,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:23,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:23,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154902468] [2022-10-16 16:33:23,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:23,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:33:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:23,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:33:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:33:23,444 INFO L87 Difference]: Start difference. First operand 565 states and 733 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:23,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:23,541 INFO L93 Difference]: Finished difference Result 1417 states and 1843 transitions. [2022-10-16 16:33:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:33:23,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:33:23,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:23,548 INFO L225 Difference]: With dead ends: 1417 [2022-10-16 16:33:23,548 INFO L226 Difference]: Without dead ends: 914 [2022-10-16 16:33:23,549 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 16:33:23,551 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 489 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:23,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1516 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:33:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2022-10-16 16:33:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 824. [2022-10-16 16:33:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 704 states have (on average 1.6747159090909092) internal successors, (1179), 823 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states 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 16:33:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1179 transitions. [2022-10-16 16:33:23,610 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1179 transitions. Word has length 70 [2022-10-16 16:33:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:23,611 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 1179 transitions. [2022-10-16 16:33:23,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1179 transitions. [2022-10-16 16:33:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:33:23,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:23,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:23,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:33:23,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:23,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:23,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1072455980, now seen corresponding path program 1 times [2022-10-16 16:33:23,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:23,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895249860] [2022-10-16 16:33:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:23,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:23,761 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 16:33:23,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:23,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895249860] [2022-10-16 16:33:23,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895249860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:23,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:23,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:23,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050068391] [2022-10-16 16:33:23,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:23,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:33:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:23,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:33:23,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:33:23,766 INFO L87 Difference]: Start difference. First operand 824 states and 1179 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 16:33:23,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:23,892 INFO L93 Difference]: Finished difference Result 2156 states and 3123 transitions. [2022-10-16 16:33:23,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:33:23,893 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 16:33:23,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:23,901 INFO L225 Difference]: With dead ends: 2156 [2022-10-16 16:33:23,901 INFO L226 Difference]: Without dead ends: 1400 [2022-10-16 16:33:23,903 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 16:33:23,905 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 477 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:23,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1337 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:33:23,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2022-10-16 16:33:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1310. [2022-10-16 16:33:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1190 states have (on average 1.6966386554621848) internal successors, (2019), 1309 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states 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 16:33:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2019 transitions. [2022-10-16 16:33:24,009 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2019 transitions. Word has length 71 [2022-10-16 16:33:24,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:24,011 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2019 transitions. [2022-10-16 16:33:24,012 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 16:33:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2019 transitions. [2022-10-16 16:33:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:33:24,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:24,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:24,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:33:24,019 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:24,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:24,022 INFO L85 PathProgramCache]: Analyzing trace with hash 525479339, now seen corresponding path program 1 times [2022-10-16 16:33:24,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:24,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547166979] [2022-10-16 16:33:24,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:24,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:24,209 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 16:33:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:24,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547166979] [2022-10-16 16:33:24,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547166979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:24,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:24,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:24,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876220622] [2022-10-16 16:33:24,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:24,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:33:24,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:24,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:33:24,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:33:24,217 INFO L87 Difference]: Start difference. First operand 1310 states and 2019 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 16:33:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:24,390 INFO L93 Difference]: Finished difference Result 3540 states and 5527 transitions. [2022-10-16 16:33:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:33:24,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:33:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:24,406 INFO L225 Difference]: With dead ends: 3540 [2022-10-16 16:33:24,406 INFO L226 Difference]: Without dead ends: 2304 [2022-10-16 16:33:24,409 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 16:33:24,421 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 464 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:24,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1317 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:33:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-10-16 16:33:24,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2214. [2022-10-16 16:33:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2094 states have (on average 1.712989493791786) internal successors, (3587), 2213 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states 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 16:33:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3587 transitions. [2022-10-16 16:33:24,618 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3587 transitions. Word has length 72 [2022-10-16 16:33:24,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:24,619 INFO L495 AbstractCegarLoop]: Abstraction has 2214 states and 3587 transitions. [2022-10-16 16:33:24,620 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 16:33:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3587 transitions. [2022-10-16 16:33:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:33:24,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:24,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:24,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:33:24,625 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:24,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:24,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1309558193, now seen corresponding path program 1 times [2022-10-16 16:33:24,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:24,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048008406] [2022-10-16 16:33:24,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:24,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:24,770 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 16:33:24,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:24,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048008406] [2022-10-16 16:33:24,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048008406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:24,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:24,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:24,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151671364] [2022-10-16 16:33:24,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:24,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:33:24,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:24,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:33:24,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:33:24,775 INFO L87 Difference]: Start difference. First operand 2214 states and 3587 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 16:33:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:25,099 INFO L93 Difference]: Finished difference Result 6106 states and 9999 transitions. [2022-10-16 16:33:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:33:25,100 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 16:33:25,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:25,124 INFO L225 Difference]: With dead ends: 6106 [2022-10-16 16:33:25,124 INFO L226 Difference]: Without dead ends: 3972 [2022-10-16 16:33:25,131 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 16:33:25,132 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 450 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:25,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1456 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:33:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2022-10-16 16:33:25,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 3882. [2022-10-16 16:33:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 3762 states have (on average 1.725412014885699) internal successors, (6491), 3881 states have internal predecessors, (6491), 0 states have call successors, (0), 0 states 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 16:33:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 6491 transitions. [2022-10-16 16:33:25,468 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 6491 transitions. Word has length 73 [2022-10-16 16:33:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:25,469 INFO L495 AbstractCegarLoop]: Abstraction has 3882 states and 6491 transitions. [2022-10-16 16:33:25,469 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 16:33:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 6491 transitions. [2022-10-16 16:33:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:33:25,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:25,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:25,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:33:25,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:25,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1129874886, now seen corresponding path program 1 times [2022-10-16 16:33:25,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:25,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581351755] [2022-10-16 16:33:25,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:25,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:25,618 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 16:33:25,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:25,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581351755] [2022-10-16 16:33:25,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581351755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:25,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:25,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502074849] [2022-10-16 16:33:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:25,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:33:25,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:25,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:33:25,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:33:25,622 INFO L87 Difference]: Start difference. First operand 3882 states and 6491 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:26,142 INFO L93 Difference]: Finished difference Result 10820 states and 18247 transitions. [2022-10-16 16:33:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:33:26,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:33:26,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:26,184 INFO L225 Difference]: With dead ends: 10820 [2022-10-16 16:33:26,184 INFO L226 Difference]: Without dead ends: 7024 [2022-10-16 16:33:26,192 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 16:33:26,194 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 438 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:26,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1277 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:33:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2022-10-16 16:33:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 6934. [2022-10-16 16:33:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6934 states, 6814 states have (on average 1.7356912239506899) internal successors, (11827), 6933 states have internal predecessors, (11827), 0 states have call successors, (0), 0 states 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 16:33:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6934 states to 6934 states and 11827 transitions. [2022-10-16 16:33:26,692 INFO L78 Accepts]: Start accepts. Automaton has 6934 states and 11827 transitions. Word has length 74 [2022-10-16 16:33:26,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:26,694 INFO L495 AbstractCegarLoop]: Abstraction has 6934 states and 11827 transitions. [2022-10-16 16:33:26,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:26,694 INFO L276 IsEmpty]: Start isEmpty. Operand 6934 states and 11827 transitions. [2022-10-16 16:33:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:33:26,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:26,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:26,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:33:26,697 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:26,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:26,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1057234541, now seen corresponding path program 1 times [2022-10-16 16:33:26,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:26,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865028132] [2022-10-16 16:33:26,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:26,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:26,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865028132] [2022-10-16 16:33:26,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865028132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:26,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:26,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581578704] [2022-10-16 16:33:26,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:26,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:33:26,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:26,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:33:26,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:33:26,906 INFO L87 Difference]: Start difference. First operand 6934 states and 11827 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 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 16:33:28,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:28,725 INFO L93 Difference]: Finished difference Result 19533 states and 33353 transitions. [2022-10-16 16:33:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:33:28,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 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 75 [2022-10-16 16:33:28,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:28,827 INFO L225 Difference]: With dead ends: 19533 [2022-10-16 16:33:28,828 INFO L226 Difference]: Without dead ends: 19521 [2022-10-16 16:33:28,835 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 16:33:28,837 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 1743 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:28,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 1166 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:33:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19521 states. [2022-10-16 16:33:29,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19521 to 13693. [2022-10-16 16:33:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13693 states, 13573 states have (on average 1.716717011714433) internal successors, (23301), 13692 states have internal predecessors, (23301), 0 states have call successors, (0), 0 states 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 16:33:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13693 states to 13693 states and 23301 transitions. [2022-10-16 16:33:30,061 INFO L78 Accepts]: Start accepts. Automaton has 13693 states and 23301 transitions. Word has length 75 [2022-10-16 16:33:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:30,062 INFO L495 AbstractCegarLoop]: Abstraction has 13693 states and 23301 transitions. [2022-10-16 16:33:30,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 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 16:33:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 13693 states and 23301 transitions. [2022-10-16 16:33:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:33:30,063 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:30,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:30,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:33:30,064 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:30,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:30,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1585467350, now seen corresponding path program 1 times [2022-10-16 16:33:30,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:30,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186953484] [2022-10-16 16:33:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:30,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:30,268 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 16:33:30,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:30,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186953484] [2022-10-16 16:33:30,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186953484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:30,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:30,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:30,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227174069] [2022-10-16 16:33:30,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:30,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:33:30,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:30,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:33:30,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:33:30,271 INFO L87 Difference]: Start difference. First operand 13693 states and 23301 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:32,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:32,073 INFO L93 Difference]: Finished difference Result 19440 states and 33062 transitions. [2022-10-16 16:33:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:33:32,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:33:32,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:32,124 INFO L225 Difference]: With dead ends: 19440 [2022-10-16 16:33:32,125 INFO L226 Difference]: Without dead ends: 19428 [2022-10-16 16:33:32,130 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 16:33:32,131 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 1890 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:32,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 797 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:33:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19428 states. [2022-10-16 16:33:33,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19428 to 19332. [2022-10-16 16:33:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19332 states, 19212 states have (on average 1.6932646262752447) internal successors, (32531), 19331 states have internal predecessors, (32531), 0 states have call successors, (0), 0 states 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 16:33:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19332 states to 19332 states and 32531 transitions. [2022-10-16 16:33:33,561 INFO L78 Accepts]: Start accepts. Automaton has 19332 states and 32531 transitions. Word has length 76 [2022-10-16 16:33:33,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:33,561 INFO L495 AbstractCegarLoop]: Abstraction has 19332 states and 32531 transitions. [2022-10-16 16:33:33,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19332 states and 32531 transitions. [2022-10-16 16:33:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:33:33,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:33,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:33,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:33:33,567 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:33,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1904847345, now seen corresponding path program 1 times [2022-10-16 16:33:33,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158753336] [2022-10-16 16:33:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:33,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:33,732 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 16:33:33,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:33,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158753336] [2022-10-16 16:33:33,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158753336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:33,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:33,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:33:33,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127955476] [2022-10-16 16:33:33,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:33,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:33:33,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:33,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:33:33,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:33:33,736 INFO L87 Difference]: Start difference. First operand 19332 states and 32531 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 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 16:33:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:36,504 INFO L93 Difference]: Finished difference Result 30745 states and 51174 transitions. [2022-10-16 16:33:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:33:36,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:33:36,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:36,596 INFO L225 Difference]: With dead ends: 30745 [2022-10-16 16:33:36,596 INFO L226 Difference]: Without dead ends: 30733 [2022-10-16 16:33:36,605 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 16:33:36,609 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 3188 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:36,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 1557 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:33:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30733 states. [2022-10-16 16:33:37,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30733 to 24866. [2022-10-16 16:33:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24866 states, 24746 states have (on average 1.6714620544734502) internal successors, (41362), 24865 states have internal predecessors, (41362), 0 states have call successors, (0), 0 states 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 16:33:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24866 states to 24866 states and 41362 transitions. [2022-10-16 16:33:38,067 INFO L78 Accepts]: Start accepts. Automaton has 24866 states and 41362 transitions. Word has length 77 [2022-10-16 16:33:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:38,067 INFO L495 AbstractCegarLoop]: Abstraction has 24866 states and 41362 transitions. [2022-10-16 16:33:38,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 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 16:33:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 24866 states and 41362 transitions. [2022-10-16 16:33:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:33:38,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:38,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:38,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:33:38,070 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:38,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:38,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1079274700, now seen corresponding path program 1 times [2022-10-16 16:33:38,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:38,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082906348] [2022-10-16 16:33:38,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:38,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:38,201 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 16:33:38,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:38,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082906348] [2022-10-16 16:33:38,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082906348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:38,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:38,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:33:38,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618333043] [2022-10-16 16:33:38,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:38,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:33:38,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:38,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:33:38,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:33:38,204 INFO L87 Difference]: Start difference. First operand 24866 states and 41362 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 16:33:40,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:40,559 INFO L93 Difference]: Finished difference Result 29550 states and 48979 transitions. [2022-10-16 16:33:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:33:40,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 16:33:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:40,632 INFO L225 Difference]: With dead ends: 29550 [2022-10-16 16:33:40,632 INFO L226 Difference]: Without dead ends: 29538 [2022-10-16 16:33:40,642 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 16:33:40,642 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 3408 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:40,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 1165 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:33:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29538 states. [2022-10-16 16:33:42,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29538 to 29385. [2022-10-16 16:33:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29385 states, 29265 states have (on average 1.6489321715359644) internal successors, (48256), 29384 states have internal predecessors, (48256), 0 states have call successors, (0), 0 states 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 16:33:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29385 states to 29385 states and 48256 transitions. [2022-10-16 16:33:42,472 INFO L78 Accepts]: Start accepts. Automaton has 29385 states and 48256 transitions. Word has length 78 [2022-10-16 16:33:42,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:42,473 INFO L495 AbstractCegarLoop]: Abstraction has 29385 states and 48256 transitions. [2022-10-16 16:33:42,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 16:33:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29385 states and 48256 transitions. [2022-10-16 16:33:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:33:42,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:42,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:42,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:33:42,475 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:42,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:42,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1575063851, now seen corresponding path program 1 times [2022-10-16 16:33:42,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:42,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922008162] [2022-10-16 16:33:42,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:42,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:42,545 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 16:33:42,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:42,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922008162] [2022-10-16 16:33:42,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922008162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:42,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:42,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:33:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211489674] [2022-10-16 16:33:42,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:42,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:33:42,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:42,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:33:42,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:33:42,549 INFO L87 Difference]: Start difference. First operand 29385 states and 48256 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 16:33:45,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:45,500 INFO L93 Difference]: Finished difference Result 83103 states and 136553 transitions. [2022-10-16 16:33:45,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:33:45,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:33:45,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:45,639 INFO L225 Difference]: With dead ends: 83103 [2022-10-16 16:33:45,639 INFO L226 Difference]: Without dead ends: 53767 [2022-10-16 16:33:45,701 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 16:33:45,702 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 481 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:45,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1717 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:33:45,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53767 states. [2022-10-16 16:33:49,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53767 to 53680. [2022-10-16 16:33:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53680 states, 53572 states have (on average 1.6442171283506308) internal successors, (88084), 53679 states have internal predecessors, (88084), 0 states have call successors, (0), 0 states 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 16:33:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53680 states to 53680 states and 88084 transitions. [2022-10-16 16:33:49,486 INFO L78 Accepts]: Start accepts. Automaton has 53680 states and 88084 transitions. Word has length 79 [2022-10-16 16:33:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:49,487 INFO L495 AbstractCegarLoop]: Abstraction has 53680 states and 88084 transitions. [2022-10-16 16:33:49,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 16:33:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 53680 states and 88084 transitions. [2022-10-16 16:33:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:33:49,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:49,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:49,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:33:49,488 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash -902222415, now seen corresponding path program 1 times [2022-10-16 16:33:49,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:49,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397945119] [2022-10-16 16:33:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:49,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:49,639 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 16:33:49,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:49,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397945119] [2022-10-16 16:33:49,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397945119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:49,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:49,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:49,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348780755] [2022-10-16 16:33:49,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:49,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:49,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:49,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:49,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:49,642 INFO L87 Difference]: Start difference. First operand 53680 states and 88084 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 16:33:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:55,093 INFO L93 Difference]: Finished difference Result 80169 states and 130678 transitions. [2022-10-16 16:33:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:33:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:33:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:55,207 INFO L225 Difference]: With dead ends: 80169 [2022-10-16 16:33:55,207 INFO L226 Difference]: Without dead ends: 80157 [2022-10-16 16:33:55,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:33:55,224 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 4336 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4336 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:55,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4336 Valid, 1793 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:33:55,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80157 states. [2022-10-16 16:33:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80157 to 63989. [2022-10-16 16:33:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63989 states, 63884 states have (on average 1.6213292843278442) internal successors, (103577), 63988 states have internal predecessors, (103577), 0 states have call successors, (0), 0 states 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 16:33:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63989 states to 63989 states and 103577 transitions. [2022-10-16 16:33:59,286 INFO L78 Accepts]: Start accepts. Automaton has 63989 states and 103577 transitions. Word has length 79 [2022-10-16 16:33:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:59,286 INFO L495 AbstractCegarLoop]: Abstraction has 63989 states and 103577 transitions. [2022-10-16 16:33:59,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 16:33:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 63989 states and 103577 transitions. [2022-10-16 16:33:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:33:59,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:59,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:59,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:33:59,288 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:33:59,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:59,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2095876462, now seen corresponding path program 1 times [2022-10-16 16:33:59,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:59,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358647380] [2022-10-16 16:33:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:59,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:59,445 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 16:33:59,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:59,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358647380] [2022-10-16 16:33:59,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358647380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:59,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:59,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:59,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017288996] [2022-10-16 16:33:59,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:59,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:59,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:59,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:59,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:59,448 INFO L87 Difference]: Start difference. First operand 63989 states and 103577 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 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 16:34:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:04,773 INFO L93 Difference]: Finished difference Result 79593 states and 128527 transitions. [2022-10-16 16:34:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:34:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:34:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:04,897 INFO L225 Difference]: With dead ends: 79593 [2022-10-16 16:34:04,897 INFO L226 Difference]: Without dead ends: 79581 [2022-10-16 16:34:04,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:34:04,916 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 5013 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5013 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:04,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5013 Valid, 1324 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:34:04,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79581 states. [2022-10-16 16:34:09,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79581 to 79392. [2022-10-16 16:34:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79392 states, 79290 states have (on average 1.598839702358431) internal successors, (126772), 79391 states have internal predecessors, (126772), 0 states have call successors, (0), 0 states 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 16:34:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79392 states to 79392 states and 126772 transitions. [2022-10-16 16:34:10,099 INFO L78 Accepts]: Start accepts. Automaton has 79392 states and 126772 transitions. Word has length 80 [2022-10-16 16:34:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:10,099 INFO L495 AbstractCegarLoop]: Abstraction has 79392 states and 126772 transitions. [2022-10-16 16:34:10,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 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 16:34:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 79392 states and 126772 transitions. [2022-10-16 16:34:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:34:10,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:10,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:10,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:34:10,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:34:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 547661139, now seen corresponding path program 1 times [2022-10-16 16:34:10,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:10,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834770937] [2022-10-16 16:34:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:10,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:10,509 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 16:34:10,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:10,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834770937] [2022-10-16 16:34:10,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834770937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:10,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:10,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:34:10,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082051759] [2022-10-16 16:34:10,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:10,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:34:10,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:10,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:34:10,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:34:10,512 INFO L87 Difference]: Start difference. First operand 79392 states and 126772 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states 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 16:34:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:17,913 INFO L93 Difference]: Finished difference Result 111749 states and 177763 transitions. [2022-10-16 16:34:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:34:17,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:34:17,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:18,165 INFO L225 Difference]: With dead ends: 111749 [2022-10-16 16:34:18,166 INFO L226 Difference]: Without dead ends: 111737 [2022-10-16 16:34:18,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:34:18,198 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 5382 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5382 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:18,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5382 Valid, 2363 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:34:18,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111737 states. [2022-10-16 16:34:23,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111737 to 89437. [2022-10-16 16:34:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89437 states, 89338 states have (on average 1.577122836866731) internal successors, (140897), 89436 states have internal predecessors, (140897), 0 states have call successors, (0), 0 states 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 16:34:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89437 states to 89437 states and 140897 transitions. [2022-10-16 16:34:24,111 INFO L78 Accepts]: Start accepts. Automaton has 89437 states and 140897 transitions. Word has length 81 [2022-10-16 16:34:24,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:24,111 INFO L495 AbstractCegarLoop]: Abstraction has 89437 states and 140897 transitions. [2022-10-16 16:34:24,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states 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 16:34:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 89437 states and 140897 transitions. [2022-10-16 16:34:24,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:34:24,112 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:24,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:24,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:34:24,112 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:34:24,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:24,113 INFO L85 PathProgramCache]: Analyzing trace with hash -202373616, now seen corresponding path program 1 times [2022-10-16 16:34:24,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:24,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742566259] [2022-10-16 16:34:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:24,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:24,594 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 16:34:24,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:24,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742566259] [2022-10-16 16:34:24,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742566259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:24,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:24,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:34:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610578666] [2022-10-16 16:34:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:24,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:34:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:34:24,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:34:24,597 INFO L87 Difference]: Start difference. First operand 89437 states and 140897 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 16:34:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:32,345 INFO L93 Difference]: Finished difference Result 110720 states and 173475 transitions. [2022-10-16 16:34:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:34:32,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 16:34:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:32,508 INFO L225 Difference]: With dead ends: 110720 [2022-10-16 16:34:32,508 INFO L226 Difference]: Without dead ends: 110708 [2022-10-16 16:34:32,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:34:32,530 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 6273 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6273 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:32,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6273 Valid, 1784 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:34:32,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110708 states. [2022-10-16 16:34:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110708 to 110474. [2022-10-16 16:34:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110474 states, 110378 states have (on average 1.5533530232473862) internal successors, (171456), 110473 states have internal predecessors, (171456), 0 states have call successors, (0), 0 states 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 16:34:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110474 states to 110474 states and 171456 transitions. [2022-10-16 16:34:40,204 INFO L78 Accepts]: Start accepts. Automaton has 110474 states and 171456 transitions. Word has length 82 [2022-10-16 16:34:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:40,204 INFO L495 AbstractCegarLoop]: Abstraction has 110474 states and 171456 transitions. [2022-10-16 16:34:40,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 16:34:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 110474 states and 171456 transitions. [2022-10-16 16:34:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:34:40,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:40,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:40,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:34:40,206 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:34:40,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1978614539, now seen corresponding path program 1 times [2022-10-16 16:34:40,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:40,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391135809] [2022-10-16 16:34:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:40,398 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 16:34:40,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:40,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391135809] [2022-10-16 16:34:40,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391135809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:40,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:40,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:34:40,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898553142] [2022-10-16 16:34:40,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:40,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:34:40,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:40,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:34:40,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:34:40,403 INFO L87 Difference]: Start difference. First operand 110474 states and 171456 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 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 16:35:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:00,390 INFO L93 Difference]: Finished difference Result 359361 states and 560066 transitions. [2022-10-16 16:35:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 16:35:00,390 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:35:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:00,944 INFO L225 Difference]: With dead ends: 359361 [2022-10-16 16:35:00,944 INFO L226 Difference]: Without dead ends: 249005 [2022-10-16 16:35:01,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 16:35:01,101 INFO L413 NwaCegarLoop]: 736 mSDtfsCounter, 7510 mSDsluCounter, 3476 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7510 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 2977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:01,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7510 Valid, 4212 Invalid, 2977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [203 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:35:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249005 states.