/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/loop-lit/gj2007.c.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:42:00,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:42:00,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:42:00,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:42:00,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:42:01,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:42:01,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:42:01,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:42:01,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:42:01,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:42:01,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:42:01,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:42:01,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:42:01,029 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:42:01,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:42:01,030 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:42:01,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:42:01,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:42:01,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:42:01,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:42:01,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:42:01,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:42:01,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:42:01,032 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:42:01,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:42:01,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:42:01,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:42:01,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:42:01,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:42:01,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:42:01,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:42:01,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:42:01,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:42:01,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:42:01,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:42:01,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:42:01,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:42:01,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:42:01,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:42:01,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:42:01,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:42:01,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:42:01,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:42:01,422 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:42:01,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2022-10-15 21:42:01,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e560fe3f4/1ca36c3fdee5463389e435e75cdfc2ba/FLAG968fba6fa [2022-10-15 21:42:02,216 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:42:02,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2022-10-15 21:42:02,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e560fe3f4/1ca36c3fdee5463389e435e75cdfc2ba/FLAG968fba6fa [2022-10-15 21:42:02,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e560fe3f4/1ca36c3fdee5463389e435e75cdfc2ba [2022-10-15 21:42:02,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:42:02,538 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:42:02,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:42:02,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:42:02,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:42:02,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:42:02" (1/1) ... [2022-10-15 21:42:02,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255ee046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:02, skipping insertion in model container [2022-10-15 21:42:02,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:42:02" (1/1) ... [2022-10-15 21:42:02,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:42:02,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:42:02,827 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/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2022-10-15 21:42:02,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:42:02,970 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:42:03,082 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/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2022-10-15 21:42:03,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:42:03,201 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:42:03,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03 WrapperNode [2022-10-15 21:42:03,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:42:03,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:42:03,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:42:03,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:42:03,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,358 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1045 [2022-10-15 21:42:03,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:42:03,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:42:03,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:42:03,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:42:03,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,438 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:42:03,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:42:03,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:42:03,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:42:03,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (1/1) ... [2022-10-15 21:42:03,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:42:03,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:42:03,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:42:03,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:42:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:42:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:42:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:42:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:42:03,678 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:42:03,680 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:42:05,178 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:42:05,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:42:05,194 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:42:05,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:42:05 BoogieIcfgContainer [2022-10-15 21:42:05,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:42:05,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:42:05,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:42:05,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:42:05,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:42:02" (1/3) ... [2022-10-15 21:42:05,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25171d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:42:05, skipping insertion in model container [2022-10-15 21:42:05,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:42:03" (2/3) ... [2022-10-15 21:42:05,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25171d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:42:05, skipping insertion in model container [2022-10-15 21:42:05,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:42:05" (3/3) ... [2022-10-15 21:42:05,208 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.c.i.p+nlh-reducer.c [2022-10-15 21:42:05,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:42:05,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 408 error locations. [2022-10-15 21:42:05,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:42:05,336 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;@48ffae1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:42:05,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 408 error locations. [2022-10-15 21:42:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 958 states, 549 states have (on average 1.9927140255009108) internal successors, (1094), 957 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 21:42:05,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:05,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 21:42:05,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:05,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:05,363 INFO L85 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2022-10-15 21:42:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:05,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505058387] [2022-10-15 21:42:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:05,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:05,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:05,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505058387] [2022-10-15 21:42:05,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505058387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:05,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:05,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:42:05,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416119108] [2022-10-15 21:42:05,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:05,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:42:05,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:05,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:42:05,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:05,647 INFO L87 Difference]: Start difference. First operand has 958 states, 549 states have (on average 1.9927140255009108) internal successors, (1094), 957 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:06,631 INFO L93 Difference]: Finished difference Result 1900 states and 2170 transitions. [2022-10-15 21:42:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:42:06,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-10-15 21:42:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:06,669 INFO L225 Difference]: With dead ends: 1900 [2022-10-15 21:42:06,670 INFO L226 Difference]: Without dead ends: 944 [2022-10-15 21:42:06,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:06,688 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 1 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:06,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1349 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:42:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2022-10-15 21:42:06,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2022-10-15 21:42:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 542 states have (on average 1.8653136531365313) internal successors, (1011), 943 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1011 transitions. [2022-10-15 21:42:06,858 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1011 transitions. Word has length 5 [2022-10-15 21:42:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:06,859 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1011 transitions. [2022-10-15 21:42:06,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1011 transitions. [2022-10-15 21:42:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-15 21:42:06,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:06,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:06,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:42:06,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:06,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash -624667127, now seen corresponding path program 1 times [2022-10-15 21:42:06,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:06,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989107219] [2022-10-15 21:42:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:06,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:06,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:06,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989107219] [2022-10-15 21:42:06,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989107219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:06,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:06,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:42:06,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870778065] [2022-10-15 21:42:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:06,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:42:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:06,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:42:06,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:06,970 INFO L87 Difference]: Start difference. First operand 944 states and 1011 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:07,709 INFO L93 Difference]: Finished difference Result 944 states and 1011 transitions. [2022-10-15 21:42:07,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:42:07,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-15 21:42:07,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:07,716 INFO L225 Difference]: With dead ends: 944 [2022-10-15 21:42:07,716 INFO L226 Difference]: Without dead ends: 810 [2022-10-15 21:42:07,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:07,724 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 404 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:07,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 606 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:42:07,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-10-15 21:42:07,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 810. [2022-10-15 21:42:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 542 states have (on average 1.618081180811808) internal successors, (877), 809 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 877 transitions. [2022-10-15 21:42:07,749 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 877 transitions. Word has length 9 [2022-10-15 21:42:07,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:07,750 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 877 transitions. [2022-10-15 21:42:07,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 877 transitions. [2022-10-15 21:42:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:42:07,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:07,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:07,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:42:07,752 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:07,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:07,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2110155596, now seen corresponding path program 1 times [2022-10-15 21:42:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:07,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627808828] [2022-10-15 21:42:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:07,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:07,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627808828] [2022-10-15 21:42:07,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627808828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:07,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:07,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:42:07,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699458607] [2022-10-15 21:42:07,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:07,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:42:07,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:07,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:42:07,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:42:07,860 INFO L87 Difference]: Start difference. First operand 810 states and 877 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:08,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:08,690 INFO L93 Difference]: Finished difference Result 810 states and 877 transitions. [2022-10-15 21:42:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:42:08,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-15 21:42:08,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:08,695 INFO L225 Difference]: With dead ends: 810 [2022-10-15 21:42:08,695 INFO L226 Difference]: Without dead ends: 676 [2022-10-15 21:42:08,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:42:08,697 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 600 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:08,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 540 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2022-10-15 21:42:08,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2022-10-15 21:42:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 542 states have (on average 1.3708487084870848) internal successors, (743), 675 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 743 transitions. [2022-10-15 21:42:08,716 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 743 transitions. Word has length 10 [2022-10-15 21:42:08,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:08,716 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 743 transitions. [2022-10-15 21:42:08,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:08,717 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 743 transitions. [2022-10-15 21:42:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:42:08,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:08,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:08,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:42:08,718 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr402ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:08,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1037413611, now seen corresponding path program 1 times [2022-10-15 21:42:08,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:08,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711938923] [2022-10-15 21:42:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:08,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:08,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:08,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711938923] [2022-10-15 21:42:08,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711938923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:08,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:08,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:42:08,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346941460] [2022-10-15 21:42:08,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:08,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:42:08,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:08,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:42:08,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:42:08,771 INFO L87 Difference]: Start difference. First operand 676 states and 743 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:09,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:09,380 INFO L93 Difference]: Finished difference Result 1336 states and 1469 transitions. [2022-10-15 21:42:09,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:42:09,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-15 21:42:09,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:09,387 INFO L225 Difference]: With dead ends: 1336 [2022-10-15 21:42:09,387 INFO L226 Difference]: Without dead ends: 670 [2022-10-15 21:42:09,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:42:09,394 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 5 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:09,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1258 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:42:09,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-10-15 21:42:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2022-10-15 21:42:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 538 states have (on average 1.3680297397769516) internal successors, (736), 669 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 736 transitions. [2022-10-15 21:42:09,429 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 736 transitions. Word has length 11 [2022-10-15 21:42:09,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:09,429 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 736 transitions. [2022-10-15 21:42:09,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 736 transitions. [2022-10-15 21:42:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-15 21:42:09,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:09,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:09,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:42:09,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr398ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:09,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:09,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1278744497, now seen corresponding path program 1 times [2022-10-15 21:42:09,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:09,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437298375] [2022-10-15 21:42:09,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:09,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:09,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437298375] [2022-10-15 21:42:09,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437298375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:09,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:09,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:42:09,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612234195] [2022-10-15 21:42:09,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:09,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:42:09,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:09,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:42:09,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:09,555 INFO L87 Difference]: Start difference. First operand 670 states and 736 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:09,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:09,994 INFO L93 Difference]: Finished difference Result 1255 states and 1451 transitions. [2022-10-15 21:42:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:42:09,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-10-15 21:42:09,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:10,003 INFO L225 Difference]: With dead ends: 1255 [2022-10-15 21:42:10,003 INFO L226 Difference]: Without dead ends: 1189 [2022-10-15 21:42:10,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:10,006 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 590 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:10,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 993 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:42:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-10-15 21:42:10,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1124. [2022-10-15 21:42:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 993 states have (on average 1.2638469284994964) internal successors, (1255), 1123 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1255 transitions. [2022-10-15 21:42:10,047 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1255 transitions. Word has length 15 [2022-10-15 21:42:10,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:10,047 INFO L495 AbstractCegarLoop]: Abstraction has 1124 states and 1255 transitions. [2022-10-15 21:42:10,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1255 transitions. [2022-10-15 21:42:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-15 21:42:10,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:10,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:10,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:42:10,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr399ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:10,050 INFO L85 PathProgramCache]: Analyzing trace with hash 986375318, now seen corresponding path program 1 times [2022-10-15 21:42:10,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:10,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465007296] [2022-10-15 21:42:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:10,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:10,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465007296] [2022-10-15 21:42:10,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465007296] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:10,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:10,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:42:10,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464325471] [2022-10-15 21:42:10,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:10,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:42:10,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:10,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:42:10,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:10,095 INFO L87 Difference]: Start difference. First operand 1124 states and 1255 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:10,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:10,384 INFO L93 Difference]: Finished difference Result 1124 states and 1255 transitions. [2022-10-15 21:42:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:42:10,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-15 21:42:10,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:10,390 INFO L225 Difference]: With dead ends: 1124 [2022-10-15 21:42:10,390 INFO L226 Difference]: Without dead ends: 1058 [2022-10-15 21:42:10,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:42:10,396 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 588 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:10,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 473 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:42:10,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2022-10-15 21:42:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2022-10-15 21:42:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 993 states have (on average 1.1973816717019135) internal successors, (1189), 1057 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1189 transitions. [2022-10-15 21:42:10,439 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1189 transitions. Word has length 16 [2022-10-15 21:42:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:10,439 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1189 transitions. [2022-10-15 21:42:10,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1189 transitions. [2022-10-15 21:42:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-15 21:42:10,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:10,442 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] [2022-10-15 21:42:10,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:42:10,442 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr394ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:10,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:10,444 INFO L85 PathProgramCache]: Analyzing trace with hash 183712818, now seen corresponding path program 1 times [2022-10-15 21:42:10,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:10,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426673917] [2022-10-15 21:42:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:10,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:10,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426673917] [2022-10-15 21:42:10,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426673917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:10,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:10,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:42:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639236491] [2022-10-15 21:42:10,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:10,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:42:10,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:10,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:42:10,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:42:10,541 INFO L87 Difference]: Start difference. First operand 1058 states and 1189 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:11,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:11,068 INFO L93 Difference]: Finished difference Result 1699 states and 1894 transitions. [2022-10-15 21:42:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:42:11,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-10-15 21:42:11,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:11,079 INFO L225 Difference]: With dead ends: 1699 [2022-10-15 21:42:11,080 INFO L226 Difference]: Without dead ends: 1634 [2022-10-15 21:42:11,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:42:11,082 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1052 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:11,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 1441 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:42:11,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2022-10-15 21:42:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1570. [2022-10-15 21:42:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1506 states have (on average 1.1719787516600266) internal successors, (1765), 1569 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1765 transitions. [2022-10-15 21:42:11,141 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1765 transitions. Word has length 21 [2022-10-15 21:42:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:11,141 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 1765 transitions. [2022-10-15 21:42:11,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1765 transitions. [2022-10-15 21:42:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-15 21:42:11,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:11,143 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] [2022-10-15 21:42:11,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:42:11,144 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr390ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:11,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:11,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2048756726, now seen corresponding path program 1 times [2022-10-15 21:42:11,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:11,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529419065] [2022-10-15 21:42:11,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:11,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:11,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:11,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529419065] [2022-10-15 21:42:11,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529419065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:11,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:11,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:42:11,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762370201] [2022-10-15 21:42:11,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:11,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:42:11,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:42:11,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:42:11,265 INFO L87 Difference]: Start difference. First operand 1570 states and 1765 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:12,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:12,034 INFO L93 Difference]: Finished difference Result 2201 states and 2459 transitions. [2022-10-15 21:42:12,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:42:12,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-10-15 21:42:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:12,047 INFO L225 Difference]: With dead ends: 2201 [2022-10-15 21:42:12,047 INFO L226 Difference]: Without dead ends: 2137 [2022-10-15 21:42:12,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:42:12,049 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 2087 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:12,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 1881 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:42:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2022-10-15 21:42:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2074. [2022-10-15 21:42:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 2011 states have (on average 1.1596220785678766) internal successors, (2332), 2073 states have internal predecessors, (2332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2332 transitions. [2022-10-15 21:42:12,124 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2332 transitions. Word has length 27 [2022-10-15 21:42:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:12,125 INFO L495 AbstractCegarLoop]: Abstraction has 2074 states and 2332 transitions. [2022-10-15 21:42:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2332 transitions. [2022-10-15 21:42:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 21:42:12,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:12,127 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] [2022-10-15 21:42:12,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:42:12,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr386ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:12,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:12,129 INFO L85 PathProgramCache]: Analyzing trace with hash -693526023, now seen corresponding path program 1 times [2022-10-15 21:42:12,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:12,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032099251] [2022-10-15 21:42:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:12,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:12,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:12,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032099251] [2022-10-15 21:42:12,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032099251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:12,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:12,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:42:12,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877387307] [2022-10-15 21:42:12,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:12,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:42:12,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:12,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:42:12,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:42:12,197 INFO L87 Difference]: Start difference. First operand 2074 states and 2332 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:12,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:12,683 INFO L93 Difference]: Finished difference Result 3586 states and 4033 transitions. [2022-10-15 21:42:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:42:12,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-10-15 21:42:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:12,694 INFO L225 Difference]: With dead ends: 3586 [2022-10-15 21:42:12,695 INFO L226 Difference]: Without dead ends: 2046 [2022-10-15 21:42:12,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:42:12,698 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 11 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:12,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 842 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:42:12,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-10-15 21:42:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 2046. [2022-10-15 21:42:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1984 states have (on average 1.159274193548387) internal successors, (2300), 2045 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2300 transitions. [2022-10-15 21:42:12,786 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2300 transitions. Word has length 33 [2022-10-15 21:42:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:12,786 INFO L495 AbstractCegarLoop]: Abstraction has 2046 states and 2300 transitions. [2022-10-15 21:42:12,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2300 transitions. [2022-10-15 21:42:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:42:12,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:12,789 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] [2022-10-15 21:42:12,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:42:12,789 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr382ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:12,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:12,790 INFO L85 PathProgramCache]: Analyzing trace with hash -667369596, now seen corresponding path program 1 times [2022-10-15 21:42:12,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:12,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389036422] [2022-10-15 21:42:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:12,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:12,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389036422] [2022-10-15 21:42:12,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389036422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:12,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:12,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:42:12,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939770917] [2022-10-15 21:42:12,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:12,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:42:12,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:12,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:42:12,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:42:12,868 INFO L87 Difference]: Start difference. First operand 2046 states and 2300 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:13,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:13,493 INFO L93 Difference]: Finished difference Result 3534 states and 3974 transitions. [2022-10-15 21:42:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:42:13,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-15 21:42:13,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:13,504 INFO L225 Difference]: With dead ends: 3534 [2022-10-15 21:42:13,504 INFO L226 Difference]: Without dead ends: 2018 [2022-10-15 21:42:13,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:42:13,508 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 14 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:13,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1019 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:42:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-10-15 21:42:13,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 2018. [2022-10-15 21:42:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2018 states, 1957 states have (on average 1.1589167092488504) internal successors, (2268), 2017 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 2018 states and 2268 transitions. [2022-10-15 21:42:13,580 INFO L78 Accepts]: Start accepts. Automaton has 2018 states and 2268 transitions. Word has length 37 [2022-10-15 21:42:13,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:13,581 INFO L495 AbstractCegarLoop]: Abstraction has 2018 states and 2268 transitions. [2022-10-15 21:42:13,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2268 transitions. [2022-10-15 21:42:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:42:13,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:13,583 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] [2022-10-15 21:42:13,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:42:13,584 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr378ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:13,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:13,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1904147249, now seen corresponding path program 1 times [2022-10-15 21:42:13,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:13,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106620460] [2022-10-15 21:42:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:13,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:13,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106620460] [2022-10-15 21:42:13,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106620460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:13,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:13,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:42:13,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032290900] [2022-10-15 21:42:13,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:13,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:42:13,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:13,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:42:13,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:42:13,699 INFO L87 Difference]: Start difference. First operand 2018 states and 2268 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:14,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:14,380 INFO L93 Difference]: Finished difference Result 3482 states and 3915 transitions. [2022-10-15 21:42:14,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:42:14,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-15 21:42:14,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:14,393 INFO L225 Difference]: With dead ends: 3482 [2022-10-15 21:42:14,393 INFO L226 Difference]: Without dead ends: 1990 [2022-10-15 21:42:14,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:42:14,398 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 23 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:14,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1003 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:42:14,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2022-10-15 21:42:14,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1990. [2022-10-15 21:42:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1930 states have (on average 1.1585492227979275) internal successors, (2236), 1989 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2236 transitions. [2022-10-15 21:42:14,489 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2236 transitions. Word has length 41 [2022-10-15 21:42:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:14,489 INFO L495 AbstractCegarLoop]: Abstraction has 1990 states and 2236 transitions. [2022-10-15 21:42:14,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2236 transitions. [2022-10-15 21:42:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 21:42:14,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:14,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:14,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:42:14,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr374ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:14,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:14,496 INFO L85 PathProgramCache]: Analyzing trace with hash 623415770, now seen corresponding path program 1 times [2022-10-15 21:42:14,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:14,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159448266] [2022-10-15 21:42:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:14,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:14,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:14,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159448266] [2022-10-15 21:42:14,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159448266] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:14,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:14,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:42:14,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195207150] [2022-10-15 21:42:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:14,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:42:14,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:42:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:42:14,692 INFO L87 Difference]: Start difference. First operand 1990 states and 2236 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:15,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:15,616 INFO L93 Difference]: Finished difference Result 3430 states and 3856 transitions. [2022-10-15 21:42:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:42:15,617 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-15 21:42:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:15,627 INFO L225 Difference]: With dead ends: 3430 [2022-10-15 21:42:15,627 INFO L226 Difference]: Without dead ends: 1962 [2022-10-15 21:42:15,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:42:15,631 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 20 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:15,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1355 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:15,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2022-10-15 21:42:15,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2022-10-15 21:42:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1903 states have (on average 1.1581713084603258) internal successors, (2204), 1961 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2204 transitions. [2022-10-15 21:42:15,696 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2204 transitions. Word has length 45 [2022-10-15 21:42:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:15,697 INFO L495 AbstractCegarLoop]: Abstraction has 1962 states and 2204 transitions. [2022-10-15 21:42:15,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2204 transitions. [2022-10-15 21:42:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 21:42:15,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:15,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:15,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:42:15,699 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr370ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:15,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1204127397, now seen corresponding path program 1 times [2022-10-15 21:42:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:15,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790462432] [2022-10-15 21:42:15,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:15,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:15,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790462432] [2022-10-15 21:42:15,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790462432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:15,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:15,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 21:42:15,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931636022] [2022-10-15 21:42:15,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:15,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:42:15,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:15,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:42:15,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:42:15,822 INFO L87 Difference]: Start difference. First operand 1962 states and 2204 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:16,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:16,919 INFO L93 Difference]: Finished difference Result 3378 states and 3797 transitions. [2022-10-15 21:42:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:42:16,920 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-15 21:42:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:16,929 INFO L225 Difference]: With dead ends: 3378 [2022-10-15 21:42:16,930 INFO L226 Difference]: Without dead ends: 1934 [2022-10-15 21:42:16,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:42:16,933 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 23 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:16,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1514 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:42:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-10-15 21:42:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1934. [2022-10-15 21:42:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1876 states have (on average 1.1577825159914712) internal successors, (2172), 1933 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2172 transitions. [2022-10-15 21:42:17,019 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2172 transitions. Word has length 49 [2022-10-15 21:42:17,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:17,020 INFO L495 AbstractCegarLoop]: Abstraction has 1934 states and 2172 transitions. [2022-10-15 21:42:17,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2172 transitions. [2022-10-15 21:42:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 21:42:17,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:17,021 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] [2022-10-15 21:42:17,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:42:17,022 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr366ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:17,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1445067984, now seen corresponding path program 1 times [2022-10-15 21:42:17,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:17,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795024974] [2022-10-15 21:42:17,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:17,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:17,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795024974] [2022-10-15 21:42:17,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795024974] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:17,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:17,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 21:42:17,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271756288] [2022-10-15 21:42:17,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:17,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 21:42:17,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:17,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 21:42:17,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:42:17,166 INFO L87 Difference]: Start difference. First operand 1934 states and 2172 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:18,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:18,443 INFO L93 Difference]: Finished difference Result 3326 states and 3738 transitions. [2022-10-15 21:42:18,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:42:18,444 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-15 21:42:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:18,455 INFO L225 Difference]: With dead ends: 3326 [2022-10-15 21:42:18,455 INFO L226 Difference]: Without dead ends: 1906 [2022-10-15 21:42:18,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:42:18,460 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 26 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 2626 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:18,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1667 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2626 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:42:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-10-15 21:42:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1906. [2022-10-15 21:42:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1849 states have (on average 1.157382368848026) internal successors, (2140), 1905 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2140 transitions. [2022-10-15 21:42:18,528 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2140 transitions. Word has length 53 [2022-10-15 21:42:18,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:18,528 INFO L495 AbstractCegarLoop]: Abstraction has 1906 states and 2140 transitions. [2022-10-15 21:42:18,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2140 transitions. [2022-10-15 21:42:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 21:42:18,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:18,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:18,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:42:18,530 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr362ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1897388165, now seen corresponding path program 1 times [2022-10-15 21:42:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:18,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232436917] [2022-10-15 21:42:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:18,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:18,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232436917] [2022-10-15 21:42:18,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232436917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:18,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:18,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 21:42:18,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928697922] [2022-10-15 21:42:18,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:18,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 21:42:18,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:18,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 21:42:18,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:42:18,719 INFO L87 Difference]: Start difference. First operand 1906 states and 2140 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:19,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:19,610 INFO L93 Difference]: Finished difference Result 3274 states and 3679 transitions. [2022-10-15 21:42:19,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:42:19,610 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 21:42:19,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:19,620 INFO L225 Difference]: With dead ends: 3274 [2022-10-15 21:42:19,620 INFO L226 Difference]: Without dead ends: 1878 [2022-10-15 21:42:19,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:42:19,623 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 47 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:19,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1289 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:19,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2022-10-15 21:42:19,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1878. [2022-10-15 21:42:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1878 states, 1822 states have (on average 1.1569703622392975) internal successors, (2108), 1877 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2108 transitions. [2022-10-15 21:42:19,677 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2108 transitions. Word has length 57 [2022-10-15 21:42:19,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:19,677 INFO L495 AbstractCegarLoop]: Abstraction has 1878 states and 2108 transitions. [2022-10-15 21:42:19,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2108 transitions. [2022-10-15 21:42:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:42:19,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:19,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:19,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:42:19,679 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr358ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:19,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:19,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1380586374, now seen corresponding path program 1 times [2022-10-15 21:42:19,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:19,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564767848] [2022-10-15 21:42:19,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:19,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:19,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:19,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564767848] [2022-10-15 21:42:19,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564767848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:19,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:19,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-15 21:42:19,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623154964] [2022-10-15 21:42:19,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:19,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 21:42:19,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:19,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 21:42:19,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:42:19,865 INFO L87 Difference]: Start difference. First operand 1878 states and 2108 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:21,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:21,068 INFO L93 Difference]: Finished difference Result 3222 states and 3620 transitions. [2022-10-15 21:42:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:42:21,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 21:42:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:21,078 INFO L225 Difference]: With dead ends: 3222 [2022-10-15 21:42:21,079 INFO L226 Difference]: Without dead ends: 1850 [2022-10-15 21:42:21,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:42:21,083 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 38 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:21,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 1611 Invalid, 2598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:42:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-10-15 21:42:21,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1850. [2022-10-15 21:42:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1795 states have (on average 1.1565459610027855) internal successors, (2076), 1849 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2076 transitions. [2022-10-15 21:42:21,141 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2076 transitions. Word has length 61 [2022-10-15 21:42:21,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:21,141 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2076 transitions. [2022-10-15 21:42:21,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2076 transitions. [2022-10-15 21:42:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:42:21,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:21,143 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] [2022-10-15 21:42:21,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:42:21,143 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr354ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:21,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:21,144 INFO L85 PathProgramCache]: Analyzing trace with hash -279320751, now seen corresponding path program 1 times [2022-10-15 21:42:21,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:21,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459449836] [2022-10-15 21:42:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:21,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:21,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:21,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459449836] [2022-10-15 21:42:21,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459449836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:21,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:21,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-15 21:42:21,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712388746] [2022-10-15 21:42:21,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:21,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-15 21:42:21,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:21,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-15 21:42:21,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:42:21,360 INFO L87 Difference]: Start difference. First operand 1850 states and 2076 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:22,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:22,296 INFO L93 Difference]: Finished difference Result 3170 states and 3561 transitions. [2022-10-15 21:42:22,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:42:22,297 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-15 21:42:22,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:22,307 INFO L225 Difference]: With dead ends: 3170 [2022-10-15 21:42:22,307 INFO L226 Difference]: Without dead ends: 1822 [2022-10-15 21:42:22,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:42:22,311 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 59 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:22,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1245 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:22,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-10-15 21:42:22,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1822. [2022-10-15 21:42:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1768 states have (on average 1.1561085972850678) internal successors, (2044), 1821 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2044 transitions. [2022-10-15 21:42:22,366 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2044 transitions. Word has length 65 [2022-10-15 21:42:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:22,367 INFO L495 AbstractCegarLoop]: Abstraction has 1822 states and 2044 transitions. [2022-10-15 21:42:22,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2044 transitions. [2022-10-15 21:42:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 21:42:22,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:22,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:22,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:42:22,369 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr350ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:22,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:22,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1990343972, now seen corresponding path program 1 times [2022-10-15 21:42:22,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:22,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684177719] [2022-10-15 21:42:22,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:22,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:22,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:22,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684177719] [2022-10-15 21:42:22,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684177719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:22,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:22,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-15 21:42:22,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362160150] [2022-10-15 21:42:22,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:22,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:42:22,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:22,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:42:22,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:42:22,606 INFO L87 Difference]: Start difference. First operand 1822 states and 2044 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:23,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:23,504 INFO L93 Difference]: Finished difference Result 3118 states and 3502 transitions. [2022-10-15 21:42:23,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-15 21:42:23,505 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 21:42:23,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:23,515 INFO L225 Difference]: With dead ends: 3118 [2022-10-15 21:42:23,515 INFO L226 Difference]: Without dead ends: 1794 [2022-10-15 21:42:23,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:42:23,519 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 62 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:23,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1223 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:23,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-10-15 21:42:23,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1794. [2022-10-15 21:42:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1741 states have (on average 1.1556576680068926) internal successors, (2012), 1793 states have internal predecessors, (2012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2012 transitions. [2022-10-15 21:42:23,570 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2012 transitions. Word has length 69 [2022-10-15 21:42:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:23,571 INFO L495 AbstractCegarLoop]: Abstraction has 1794 states and 2012 transitions. [2022-10-15 21:42:23,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2012 transitions. [2022-10-15 21:42:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:42:23,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:23,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:23,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:42:23,573 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr346ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:23,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:23,573 INFO L85 PathProgramCache]: Analyzing trace with hash -208943577, now seen corresponding path program 1 times [2022-10-15 21:42:23,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:23,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265950679] [2022-10-15 21:42:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:23,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:23,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:23,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265950679] [2022-10-15 21:42:23,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265950679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:23,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:23,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-15 21:42:23,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841732211] [2022-10-15 21:42:23,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:23,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-15 21:42:23,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-15 21:42:23,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2022-10-15 21:42:23,849 INFO L87 Difference]: Start difference. First operand 1794 states and 2012 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:24,634 INFO L93 Difference]: Finished difference Result 3066 states and 3443 transitions. [2022-10-15 21:42:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 21:42:24,635 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:42:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:24,642 INFO L225 Difference]: With dead ends: 3066 [2022-10-15 21:42:24,642 INFO L226 Difference]: Without dead ends: 1766 [2022-10-15 21:42:24,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2022-10-15 21:42:24,645 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 74 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:24,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1038 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:42:24,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2022-10-15 21:42:24,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1766. [2022-10-15 21:42:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1714 states have (on average 1.1551925320886816) internal successors, (1980), 1765 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 1980 transitions. [2022-10-15 21:42:24,689 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 1980 transitions. Word has length 73 [2022-10-15 21:42:24,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:24,690 INFO L495 AbstractCegarLoop]: Abstraction has 1766 states and 1980 transitions. [2022-10-15 21:42:24,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 1980 transitions. [2022-10-15 21:42:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:42:24,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:24,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:24,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 21:42:24,692 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr342ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:24,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash 956961074, now seen corresponding path program 1 times [2022-10-15 21:42:24,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:24,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697532999] [2022-10-15 21:42:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:24,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:24,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:24,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697532999] [2022-10-15 21:42:24,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697532999] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:24,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:24,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-15 21:42:24,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525714546] [2022-10-15 21:42:24,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:24,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-15 21:42:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:24,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-15 21:42:24,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:42:24,979 INFO L87 Difference]: Start difference. First operand 1766 states and 1980 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:25,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:25,981 INFO L93 Difference]: Finished difference Result 3014 states and 3384 transitions. [2022-10-15 21:42:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 21:42:25,982 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:42:25,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:25,996 INFO L225 Difference]: With dead ends: 3014 [2022-10-15 21:42:25,996 INFO L226 Difference]: Without dead ends: 1738 [2022-10-15 21:42:26,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:42:26,003 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 74 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:26,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1339 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:42:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-10-15 21:42:26,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1738. [2022-10-15 21:42:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1687 states have (on average 1.1547125074096027) internal successors, (1948), 1737 states have internal predecessors, (1948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 1948 transitions. [2022-10-15 21:42:26,077 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 1948 transitions. Word has length 77 [2022-10-15 21:42:26,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:26,078 INFO L495 AbstractCegarLoop]: Abstraction has 1738 states and 1948 transitions. [2022-10-15 21:42:26,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 1948 transitions. [2022-10-15 21:42:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 21:42:26,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:26,079 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] [2022-10-15 21:42:26,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 21:42:26,080 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr338ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:26,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:26,080 INFO L85 PathProgramCache]: Analyzing trace with hash 619627517, now seen corresponding path program 1 times [2022-10-15 21:42:26,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:26,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006903313] [2022-10-15 21:42:26,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:26,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:26,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:26,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006903313] [2022-10-15 21:42:26,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006903313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:26,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:26,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-15 21:42:26,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143407877] [2022-10-15 21:42:26,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:26,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-15 21:42:26,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:26,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-15 21:42:26,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:42:26,430 INFO L87 Difference]: Start difference. First operand 1738 states and 1948 transitions. Second operand has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 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) [2022-10-15 21:42:27,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:27,141 INFO L93 Difference]: Finished difference Result 2962 states and 3325 transitions. [2022-10-15 21:42:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:42:27,142 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 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 [2022-10-15 21:42:27,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:27,146 INFO L225 Difference]: With dead ends: 2962 [2022-10-15 21:42:27,147 INFO L226 Difference]: Without dead ends: 1710 [2022-10-15 21:42:27,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:42:27,150 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 131 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:27,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1000 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:42:27,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-10-15 21:42:27,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1710. [2022-10-15 21:42:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1660 states have (on average 1.1542168674698796) internal successors, (1916), 1709 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 1916 transitions. [2022-10-15 21:42:27,208 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 1916 transitions. Word has length 81 [2022-10-15 21:42:27,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:27,209 INFO L495 AbstractCegarLoop]: Abstraction has 1710 states and 1916 transitions. [2022-10-15 21:42:27,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 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) [2022-10-15 21:42:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 1916 transitions. [2022-10-15 21:42:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:42:27,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:27,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:27,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 21:42:27,211 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr334ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:27,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash -901775736, now seen corresponding path program 1 times [2022-10-15 21:42:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:27,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839586542] [2022-10-15 21:42:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:27,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:27,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839586542] [2022-10-15 21:42:27,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839586542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:27,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:27,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-10-15 21:42:27,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897648774] [2022-10-15 21:42:27,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:27,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-15 21:42:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:27,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-15 21:42:27,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2022-10-15 21:42:27,497 INFO L87 Difference]: Start difference. First operand 1710 states and 1916 transitions. Second operand has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:28,836 INFO L93 Difference]: Finished difference Result 2910 states and 3266 transitions. [2022-10-15 21:42:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-15 21:42:28,847 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-15 21:42:28,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:28,852 INFO L225 Difference]: With dead ends: 2910 [2022-10-15 21:42:28,852 INFO L226 Difference]: Without dead ends: 1682 [2022-10-15 21:42:28,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2022-10-15 21:42:28,861 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 77 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 2879 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 2904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:28,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1597 Invalid, 2904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:42:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-10-15 21:42:28,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1682. [2022-10-15 21:42:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1682 states, 1633 states have (on average 1.153704837721984) internal successors, (1884), 1681 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 1884 transitions. [2022-10-15 21:42:28,904 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 1884 transitions. Word has length 85 [2022-10-15 21:42:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:28,904 INFO L495 AbstractCegarLoop]: Abstraction has 1682 states and 1884 transitions. [2022-10-15 21:42:28,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 1884 transitions. [2022-10-15 21:42:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 21:42:28,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:28,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:28,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 21:42:28,907 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr330ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:28,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:28,907 INFO L85 PathProgramCache]: Analyzing trace with hash 200532179, now seen corresponding path program 1 times [2022-10-15 21:42:28,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:28,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700006196] [2022-10-15 21:42:28,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:28,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:29,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:29,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700006196] [2022-10-15 21:42:29,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700006196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:29,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:29,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-15 21:42:29,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485627830] [2022-10-15 21:42:29,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:29,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-15 21:42:29,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:29,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-15 21:42:29,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2022-10-15 21:42:29,256 INFO L87 Difference]: Start difference. First operand 1682 states and 1884 transitions. Second operand has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:30,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:30,290 INFO L93 Difference]: Finished difference Result 2858 states and 3207 transitions. [2022-10-15 21:42:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-15 21:42:30,291 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-15 21:42:30,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:30,294 INFO L225 Difference]: With dead ends: 2858 [2022-10-15 21:42:30,295 INFO L226 Difference]: Without dead ends: 1654 [2022-10-15 21:42:30,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2022-10-15 21:42:30,297 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 92 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:30,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1264 Invalid, 2080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:42:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-10-15 21:42:30,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-10-15 21:42:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1606 states have (on average 1.1531755915317559) internal successors, (1852), 1653 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 1852 transitions. [2022-10-15 21:42:30,332 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 1852 transitions. Word has length 89 [2022-10-15 21:42:30,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:30,333 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 1852 transitions. [2022-10-15 21:42:30,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1852 transitions. [2022-10-15 21:42:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 21:42:30,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:30,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:30,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 21:42:30,334 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:30,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:30,335 INFO L85 PathProgramCache]: Analyzing trace with hash 619743966, now seen corresponding path program 1 times [2022-10-15 21:42:30,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:30,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980286292] [2022-10-15 21:42:30,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:30,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:30,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980286292] [2022-10-15 21:42:30,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980286292] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:30,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:30,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-10-15 21:42:30,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929119859] [2022-10-15 21:42:30,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:30,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-15 21:42:30,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:30,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-15 21:42:30,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2022-10-15 21:42:30,655 INFO L87 Difference]: Start difference. First operand 1654 states and 1852 transitions. Second operand has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:31,396 INFO L93 Difference]: Finished difference Result 2806 states and 3148 transitions. [2022-10-15 21:42:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-15 21:42:31,396 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-15 21:42:31,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:31,399 INFO L225 Difference]: With dead ends: 2806 [2022-10-15 21:42:31,400 INFO L226 Difference]: Without dead ends: 1626 [2022-10-15 21:42:31,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2022-10-15 21:42:31,403 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 110 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:31,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 943 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:42:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2022-10-15 21:42:31,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1626. [2022-10-15 21:42:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1579 states have (on average 1.1526282457251424) internal successors, (1820), 1625 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 1820 transitions. [2022-10-15 21:42:31,442 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 1820 transitions. Word has length 93 [2022-10-15 21:42:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:31,442 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 1820 transitions. [2022-10-15 21:42:31,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1820 transitions. [2022-10-15 21:42:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 21:42:31,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:31,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:31,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 21:42:31,445 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr322ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:31,446 INFO L85 PathProgramCache]: Analyzing trace with hash 806100137, now seen corresponding path program 1 times [2022-10-15 21:42:31,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:31,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739039170] [2022-10-15 21:42:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:31,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:31,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739039170] [2022-10-15 21:42:31,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739039170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:31,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:31,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-15 21:42:31,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002539709] [2022-10-15 21:42:31,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:31,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-15 21:42:31,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:31,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-15 21:42:31,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-10-15 21:42:31,811 INFO L87 Difference]: Start difference. First operand 1626 states and 1820 transitions. Second operand has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:32,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:32,577 INFO L93 Difference]: Finished difference Result 2754 states and 3089 transitions. [2022-10-15 21:42:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 21:42:32,578 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 21:42:32,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:32,585 INFO L225 Difference]: With dead ends: 2754 [2022-10-15 21:42:32,585 INFO L226 Difference]: Without dead ends: 1598 [2022-10-15 21:42:32,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-10-15 21:42:32,588 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 194 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:32,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 924 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:42:32,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2022-10-15 21:42:32,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1598. [2022-10-15 21:42:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1552 states have (on average 1.152061855670103) internal successors, (1788), 1597 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 1788 transitions. [2022-10-15 21:42:32,626 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 1788 transitions. Word has length 97 [2022-10-15 21:42:32,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:32,626 INFO L495 AbstractCegarLoop]: Abstraction has 1598 states and 1788 transitions. [2022-10-15 21:42:32,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1788 transitions. [2022-10-15 21:42:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:42:32,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:32,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:32,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 21:42:32,628 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr318ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:32,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1341344204, now seen corresponding path program 1 times [2022-10-15 21:42:32,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:32,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419155976] [2022-10-15 21:42:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:33,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:33,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419155976] [2022-10-15 21:42:33,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419155976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:33,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:33,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-15 21:42:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474537044] [2022-10-15 21:42:33,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:33,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-15 21:42:33,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:33,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-15 21:42:33,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:42:33,051 INFO L87 Difference]: Start difference. First operand 1598 states and 1788 transitions. Second operand has 22 states, 22 states have (on average 4.590909090909091) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:33,920 INFO L93 Difference]: Finished difference Result 2702 states and 3030 transitions. [2022-10-15 21:42:33,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-15 21:42:33,921 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.590909090909091) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:42:33,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:33,924 INFO L225 Difference]: With dead ends: 2702 [2022-10-15 21:42:33,924 INFO L226 Difference]: Without dead ends: 1570 [2022-10-15 21:42:33,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:42:33,927 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 134 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:33,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1047 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1628 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-10-15 21:42:33,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2022-10-15 21:42:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1525 states have (on average 1.1514754098360656) internal successors, (1756), 1569 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1756 transitions. [2022-10-15 21:42:33,968 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1756 transitions. Word has length 101 [2022-10-15 21:42:33,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:33,968 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 1756 transitions. [2022-10-15 21:42:33,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.590909090909091) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1756 transitions. [2022-10-15 21:42:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:42:33,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:33,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:33,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 21:42:33,970 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr314ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:33,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:33,971 INFO L85 PathProgramCache]: Analyzing trace with hash 396916607, now seen corresponding path program 1 times [2022-10-15 21:42:33,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:33,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255696725] [2022-10-15 21:42:33,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:33,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:34,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:34,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255696725] [2022-10-15 21:42:34,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255696725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:34,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:34,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-15 21:42:34,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927957245] [2022-10-15 21:42:34,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:34,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-15 21:42:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:34,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-15 21:42:34,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:42:34,426 INFO L87 Difference]: Start difference. First operand 1570 states and 1756 transitions. Second operand has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:34,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:34,911 INFO L93 Difference]: Finished difference Result 2650 states and 2971 transitions. [2022-10-15 21:42:34,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:42:34,912 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 21:42:34,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:34,917 INFO L225 Difference]: With dead ends: 2650 [2022-10-15 21:42:34,917 INFO L226 Difference]: Without dead ends: 1542 [2022-10-15 21:42:34,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:42:34,920 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 233 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:34,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 608 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:42:34,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2022-10-15 21:42:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2022-10-15 21:42:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1498 states have (on average 1.15086782376502) internal successors, (1724), 1541 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 1724 transitions. [2022-10-15 21:42:34,955 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 1724 transitions. Word has length 105 [2022-10-15 21:42:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:34,955 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 1724 transitions. [2022-10-15 21:42:34,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1724 transitions. [2022-10-15 21:42:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 21:42:34,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:34,957 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:34,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 21:42:34,957 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr310ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:34,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1367703690, now seen corresponding path program 1 times [2022-10-15 21:42:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:34,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345482820] [2022-10-15 21:42:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:34,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:35,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:35,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345482820] [2022-10-15 21:42:35,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345482820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:35,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:35,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-10-15 21:42:35,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669663975] [2022-10-15 21:42:35,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:35,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-15 21:42:35,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:35,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-15 21:42:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-15 21:42:35,400 INFO L87 Difference]: Start difference. First operand 1542 states and 1724 transitions. Second operand has 24 states, 24 states have (on average 4.541666666666667) internal successors, (109), 24 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:36,139 INFO L93 Difference]: Finished difference Result 2598 states and 2912 transitions. [2022-10-15 21:42:36,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 21:42:36,139 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.541666666666667) internal successors, (109), 24 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-15 21:42:36,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:36,143 INFO L225 Difference]: With dead ends: 2598 [2022-10-15 21:42:36,143 INFO L226 Difference]: Without dead ends: 1514 [2022-10-15 21:42:36,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-15 21:42:36,145 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 161 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:36,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 867 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:42:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-10-15 21:42:36,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1514. [2022-10-15 21:42:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1471 states have (on average 1.1502379333786539) internal successors, (1692), 1513 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1692 transitions. [2022-10-15 21:42:36,176 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1692 transitions. Word has length 109 [2022-10-15 21:42:36,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:36,177 INFO L495 AbstractCegarLoop]: Abstraction has 1514 states and 1692 transitions. [2022-10-15 21:42:36,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.541666666666667) internal successors, (109), 24 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1692 transitions. [2022-10-15 21:42:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-15 21:42:36,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:36,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:36,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 21:42:36,179 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr306ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1211756885, now seen corresponding path program 1 times [2022-10-15 21:42:36,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:36,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808426094] [2022-10-15 21:42:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:36,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:36,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:36,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808426094] [2022-10-15 21:42:36,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808426094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:36,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:36,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-10-15 21:42:36,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691085567] [2022-10-15 21:42:36,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:36,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-15 21:42:36,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:36,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-15 21:42:36,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-10-15 21:42:36,713 INFO L87 Difference]: Start difference. First operand 1514 states and 1692 transitions. Second operand has 25 states, 25 states have (on average 4.52) internal successors, (113), 25 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:37,170 INFO L93 Difference]: Finished difference Result 2546 states and 2853 transitions. [2022-10-15 21:42:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-15 21:42:37,171 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.52) internal successors, (113), 25 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-15 21:42:37,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:37,176 INFO L225 Difference]: With dead ends: 2546 [2022-10-15 21:42:37,176 INFO L226 Difference]: Without dead ends: 1486 [2022-10-15 21:42:37,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-10-15 21:42:37,180 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 236 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:37,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 582 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:42:37,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2022-10-15 21:42:37,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1486. [2022-10-15 21:42:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1444 states have (on average 1.149584487534626) internal successors, (1660), 1485 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1660 transitions. [2022-10-15 21:42:37,225 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1660 transitions. Word has length 113 [2022-10-15 21:42:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:37,226 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 1660 transitions. [2022-10-15 21:42:37,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.52) internal successors, (113), 25 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1660 transitions. [2022-10-15 21:42:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 21:42:37,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:37,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:37,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 21:42:37,228 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr302ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:37,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1850468832, now seen corresponding path program 1 times [2022-10-15 21:42:37,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:37,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232856632] [2022-10-15 21:42:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:37,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:37,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232856632] [2022-10-15 21:42:37,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232856632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:37,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:37,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-10-15 21:42:37,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546538818] [2022-10-15 21:42:37,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:37,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-15 21:42:37,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:37,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-15 21:42:37,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2022-10-15 21:42:37,731 INFO L87 Difference]: Start difference. First operand 1486 states and 1660 transitions. Second operand has 26 states, 26 states have (on average 4.5) internal successors, (117), 26 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:38,329 INFO L93 Difference]: Finished difference Result 2494 states and 2794 transitions. [2022-10-15 21:42:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-15 21:42:38,330 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.5) internal successors, (117), 26 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 21:42:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:38,334 INFO L225 Difference]: With dead ends: 2494 [2022-10-15 21:42:38,334 INFO L226 Difference]: Without dead ends: 1458 [2022-10-15 21:42:38,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2022-10-15 21:42:38,337 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 197 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:38,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 699 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:42:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-10-15 21:42:38,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1458. [2022-10-15 21:42:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1417 states have (on average 1.1489061397318279) internal successors, (1628), 1457 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1628 transitions. [2022-10-15 21:42:38,384 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1628 transitions. Word has length 117 [2022-10-15 21:42:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:38,384 INFO L495 AbstractCegarLoop]: Abstraction has 1458 states and 1628 transitions. [2022-10-15 21:42:38,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.5) internal successors, (117), 26 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1628 transitions. [2022-10-15 21:42:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 21:42:38,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:38,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:38,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 21:42:38,387 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr298ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:38,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:38,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1177651755, now seen corresponding path program 1 times [2022-10-15 21:42:38,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:38,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065750594] [2022-10-15 21:42:38,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:38,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:38,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:38,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065750594] [2022-10-15 21:42:38,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065750594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:38,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:38,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-10-15 21:42:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163687347] [2022-10-15 21:42:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:38,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-15 21:42:38,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-15 21:42:38,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2022-10-15 21:42:38,905 INFO L87 Difference]: Start difference. First operand 1458 states and 1628 transitions. Second operand has 27 states, 27 states have (on average 4.481481481481482) internal successors, (121), 27 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:40,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:40,282 INFO L93 Difference]: Finished difference Result 2442 states and 2735 transitions. [2022-10-15 21:42:40,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-15 21:42:40,283 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.481481481481482) internal successors, (121), 27 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-15 21:42:40,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:40,286 INFO L225 Difference]: With dead ends: 2442 [2022-10-15 21:42:40,286 INFO L226 Difference]: Without dead ends: 1430 [2022-10-15 21:42:40,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2022-10-15 21:42:40,288 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 140 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 2900 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:40,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1445 Invalid, 2946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2900 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 21:42:40,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2022-10-15 21:42:40,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2022-10-15 21:42:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1390 states have (on average 1.1482014388489208) internal successors, (1596), 1429 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1596 transitions. [2022-10-15 21:42:40,328 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1596 transitions. Word has length 121 [2022-10-15 21:42:40,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:40,329 INFO L495 AbstractCegarLoop]: Abstraction has 1430 states and 1596 transitions. [2022-10-15 21:42:40,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.481481481481482) internal successors, (121), 27 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1596 transitions. [2022-10-15 21:42:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-15 21:42:40,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:40,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:40,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 21:42:40,332 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr294ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash -363793866, now seen corresponding path program 1 times [2022-10-15 21:42:40,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:40,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547517387] [2022-10-15 21:42:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:40,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:40,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547517387] [2022-10-15 21:42:40,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547517387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:40,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:40,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-10-15 21:42:40,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057694270] [2022-10-15 21:42:40,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:40,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-15 21:42:40,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-15 21:42:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2022-10-15 21:42:40,980 INFO L87 Difference]: Start difference. First operand 1430 states and 1596 transitions. Second operand has 28 states, 28 states have (on average 4.464285714285714) internal successors, (125), 28 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:42,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:42,050 INFO L93 Difference]: Finished difference Result 2390 states and 2676 transitions. [2022-10-15 21:42:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-15 21:42:42,051 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.464285714285714) internal successors, (125), 28 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-15 21:42:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:42,054 INFO L225 Difference]: With dead ends: 2390 [2022-10-15 21:42:42,054 INFO L226 Difference]: Without dead ends: 1402 [2022-10-15 21:42:42,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2022-10-15 21:42:42,057 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 176 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:42,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1163 Invalid, 2264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2206 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:42:42,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2022-10-15 21:42:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1402. [2022-10-15 21:42:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1363 states have (on average 1.1474688187820983) internal successors, (1564), 1401 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1564 transitions. [2022-10-15 21:42:42,089 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1564 transitions. Word has length 125 [2022-10-15 21:42:42,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:42,089 INFO L495 AbstractCegarLoop]: Abstraction has 1402 states and 1564 transitions. [2022-10-15 21:42:42,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.464285714285714) internal successors, (125), 28 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1564 transitions. [2022-10-15 21:42:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 21:42:42,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:42,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:42,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 21:42:42,092 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr290ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:42,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:42,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1795145215, now seen corresponding path program 1 times [2022-10-15 21:42:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:42,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012034608] [2022-10-15 21:42:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:42,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:42,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012034608] [2022-10-15 21:42:42,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012034608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:42,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:42,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-10-15 21:42:42,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460949701] [2022-10-15 21:42:42,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:42,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-15 21:42:42,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:42,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-15 21:42:42,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:42:42,699 INFO L87 Difference]: Start difference. First operand 1402 states and 1564 transitions. Second operand has 29 states, 29 states have (on average 4.448275862068965) internal successors, (129), 29 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:43,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:43,320 INFO L93 Difference]: Finished difference Result 2338 states and 2617 transitions. [2022-10-15 21:42:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-15 21:42:43,323 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.448275862068965) internal successors, (129), 29 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-15 21:42:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:43,326 INFO L225 Difference]: With dead ends: 2338 [2022-10-15 21:42:43,327 INFO L226 Difference]: Without dead ends: 1374 [2022-10-15 21:42:43,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:42:43,329 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 275 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:43,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 651 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:42:43,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2022-10-15 21:42:43,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1374. [2022-10-15 21:42:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1336 states have (on average 1.1467065868263473) internal successors, (1532), 1373 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 1532 transitions. [2022-10-15 21:42:43,359 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 1532 transitions. Word has length 129 [2022-10-15 21:42:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:43,360 INFO L495 AbstractCegarLoop]: Abstraction has 1374 states and 1532 transitions. [2022-10-15 21:42:43,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.448275862068965) internal successors, (129), 29 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1532 transitions. [2022-10-15 21:42:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-15 21:42:43,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:43,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:43,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 21:42:43,363 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr286ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:43,363 INFO L85 PathProgramCache]: Analyzing trace with hash 679844236, now seen corresponding path program 1 times [2022-10-15 21:42:43,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:43,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815026761] [2022-10-15 21:42:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:43,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:44,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:44,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815026761] [2022-10-15 21:42:44,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815026761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:44,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:44,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-10-15 21:42:44,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791782025] [2022-10-15 21:42:44,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:44,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-15 21:42:44,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-15 21:42:44,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2022-10-15 21:42:44,035 INFO L87 Difference]: Start difference. First operand 1374 states and 1532 transitions. Second operand has 30 states, 30 states have (on average 4.433333333333334) internal successors, (133), 30 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:44,913 INFO L93 Difference]: Finished difference Result 2286 states and 2558 transitions. [2022-10-15 21:42:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-15 21:42:44,914 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.433333333333334) internal successors, (133), 30 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-15 21:42:44,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:44,916 INFO L225 Difference]: With dead ends: 2286 [2022-10-15 21:42:44,916 INFO L226 Difference]: Without dead ends: 1346 [2022-10-15 21:42:44,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2022-10-15 21:42:44,918 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 251 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:44,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 871 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1668 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:44,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-10-15 21:42:44,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1346. [2022-10-15 21:42:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1309 states have (on average 1.145912910618793) internal successors, (1500), 1345 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1500 transitions. [2022-10-15 21:42:44,946 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1500 transitions. Word has length 133 [2022-10-15 21:42:44,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:44,946 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 1500 transitions. [2022-10-15 21:42:44,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.433333333333334) internal successors, (133), 30 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1500 transitions. [2022-10-15 21:42:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-15 21:42:44,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:44,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:44,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-15 21:42:44,949 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr282ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:44,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1223223081, now seen corresponding path program 1 times [2022-10-15 21:42:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:44,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301808215] [2022-10-15 21:42:44,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:44,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:45,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:45,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301808215] [2022-10-15 21:42:45,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301808215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:45,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:45,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-10-15 21:42:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543232854] [2022-10-15 21:42:45,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:45,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-15 21:42:45,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-15 21:42:45,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2022-10-15 21:42:45,627 INFO L87 Difference]: Start difference. First operand 1346 states and 1500 transitions. Second operand has 31 states, 31 states have (on average 4.419354838709677) internal successors, (137), 31 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:46,477 INFO L93 Difference]: Finished difference Result 2234 states and 2499 transitions. [2022-10-15 21:42:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-15 21:42:46,477 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.419354838709677) internal successors, (137), 31 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-15 21:42:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:46,481 INFO L225 Difference]: With dead ends: 2234 [2022-10-15 21:42:46,481 INFO L226 Difference]: Without dead ends: 1318 [2022-10-15 21:42:46,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2022-10-15 21:42:46,483 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 281 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:46,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 964 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:46,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-10-15 21:42:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2022-10-15 21:42:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 1282 states have (on average 1.1450858034321374) internal successors, (1468), 1317 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1468 transitions. [2022-10-15 21:42:46,510 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1468 transitions. Word has length 137 [2022-10-15 21:42:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:46,511 INFO L495 AbstractCegarLoop]: Abstraction has 1318 states and 1468 transitions. [2022-10-15 21:42:46,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.419354838709677) internal successors, (137), 31 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1468 transitions. [2022-10-15 21:42:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 21:42:46,513 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:46,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:46,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-15 21:42:46,514 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr278ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash 182116322, now seen corresponding path program 1 times [2022-10-15 21:42:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:46,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625547396] [2022-10-15 21:42:46,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:46,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:47,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:47,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625547396] [2022-10-15 21:42:47,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625547396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:47,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:47,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-10-15 21:42:47,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925369847] [2022-10-15 21:42:47,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:47,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-15 21:42:47,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:47,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-15 21:42:47,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2022-10-15 21:42:47,207 INFO L87 Difference]: Start difference. First operand 1318 states and 1468 transitions. Second operand has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:48,301 INFO L93 Difference]: Finished difference Result 2182 states and 2440 transitions. [2022-10-15 21:42:48,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-15 21:42:48,301 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-15 21:42:48,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:48,303 INFO L225 Difference]: With dead ends: 2182 [2022-10-15 21:42:48,304 INFO L226 Difference]: Without dead ends: 1290 [2022-10-15 21:42:48,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2022-10-15 21:42:48,306 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 257 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 2331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:48,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1051 Invalid, 2331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2246 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:42:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-10-15 21:42:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2022-10-15 21:42:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1255 states have (on average 1.1442231075697211) internal successors, (1436), 1289 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1436 transitions. [2022-10-15 21:42:48,334 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1436 transitions. Word has length 141 [2022-10-15 21:42:48,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:48,335 INFO L495 AbstractCegarLoop]: Abstraction has 1290 states and 1436 transitions. [2022-10-15 21:42:48,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1436 transitions. [2022-10-15 21:42:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-15 21:42:48,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:48,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:48,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-15 21:42:48,337 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr274ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:48,338 INFO L85 PathProgramCache]: Analyzing trace with hash 770117293, now seen corresponding path program 1 times [2022-10-15 21:42:48,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:48,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999271828] [2022-10-15 21:42:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:48,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:42:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:42:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:42:49,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999271828] [2022-10-15 21:42:49,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999271828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:42:49,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:42:49,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-10-15 21:42:49,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749797280] [2022-10-15 21:42:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:42:49,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-15 21:42:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:42:49,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-15 21:42:49,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2022-10-15 21:42:49,115 INFO L87 Difference]: Start difference. First operand 1290 states and 1436 transitions. Second operand has 33 states, 33 states have (on average 4.393939393939394) internal successors, (145), 33 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:49,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:42:49,964 INFO L93 Difference]: Finished difference Result 2130 states and 2381 transitions. [2022-10-15 21:42:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-15 21:42:49,965 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.393939393939394) internal successors, (145), 33 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2022-10-15 21:42:49,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:42:49,969 INFO L225 Difference]: With dead ends: 2130 [2022-10-15 21:42:49,969 INFO L226 Difference]: Without dead ends: 1262 [2022-10-15 21:42:49,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2022-10-15 21:42:49,972 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 284 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:42:49,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 805 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:42:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-10-15 21:42:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1262. [2022-10-15 21:42:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1228 states have (on average 1.1433224755700326) internal successors, (1404), 1261 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1404 transitions. [2022-10-15 21:42:49,995 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1404 transitions. Word has length 145 [2022-10-15 21:42:49,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:42:49,996 INFO L495 AbstractCegarLoop]: Abstraction has 1262 states and 1404 transitions. [2022-10-15 21:42:49,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.393939393939394) internal successors, (145), 33 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:42:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1404 transitions. [2022-10-15 21:42:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-15 21:42:49,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:42:49,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:42:49,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-15 21:42:49,999 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr270ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 405 more)] === [2022-10-15 21:42:49,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:42:49,999 INFO L85 PathProgramCache]: Analyzing trace with hash -230570696, now seen corresponding path program 1 times [2022-10-15 21:42:49,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:42:50,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107933771] [2022-10-15 21:42:50,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:42:50,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:42:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat