/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:59:01,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:59:01,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:59:01,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:59:01,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:59:01,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:59:01,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:59:01,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:59:01,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:59:01,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:59:01,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:59:01,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:59:01,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:59:01,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:59:01,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:59:01,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:59:01,969 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:59:01,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:59:01,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:59:01,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:59:01,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:59:01,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:59:01,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:59:01,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:59:01,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:59:01,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:59:01,972 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:59:01,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:59:01,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:59:01,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:59:01,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:59:01,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:59:01,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:59:01,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:59:01,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:59:01,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:59:01,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:59:01,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:59:01,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:59:01,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:59:01,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:59:01,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:59:02,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:59:02,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:59:02,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:59:02,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:59:02,412 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:59:02,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2022-10-15 21:59:02,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e809f9ae/2ff38d510ba846739e3857b5086b1e69/FLAG732c98b83 [2022-10-15 21:59:03,194 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:59:03,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2022-10-15 21:59:03,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e809f9ae/2ff38d510ba846739e3857b5086b1e69/FLAG732c98b83 [2022-10-15 21:59:03,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e809f9ae/2ff38d510ba846739e3857b5086b1e69 [2022-10-15 21:59:03,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:59:03,512 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:59:03,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:59:03,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:59:03,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:59:03,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:03,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10173a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03, skipping insertion in model container [2022-10-15 21:59:03,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:03,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:59:03,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:59:03,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2022-10-15 21:59:03,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:59:03,827 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:59:03,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2022-10-15 21:59:03,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:59:03,934 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:59:03,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03 WrapperNode [2022-10-15 21:59:03,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:59:03,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:59:03,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:59:03,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:59:03,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:03,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,027 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 505 [2022-10-15 21:59:04,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:59:04,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:59:04,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:59:04,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:59:04,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:59:04,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:59:04,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:59:04,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:59:04,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (1/1) ... [2022-10-15 21:59:04,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:59:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:59:04,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:59:04,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:59:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:59:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:59:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:59:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:59:04,400 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:59:04,403 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:59:05,176 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:59:05,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:59:05,188 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:59:05,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:59:05 BoogieIcfgContainer [2022-10-15 21:59:05,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:59:05,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:59:05,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:59:05,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:59:05,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:59:03" (1/3) ... [2022-10-15 21:59:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a81c262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:59:05, skipping insertion in model container [2022-10-15 21:59:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:03" (2/3) ... [2022-10-15 21:59:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a81c262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:59:05, skipping insertion in model container [2022-10-15 21:59:05,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:59:05" (3/3) ... [2022-10-15 21:59:05,200 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2022-10-15 21:59:05,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:59:05,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-15 21:59:05,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:59:05,296 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;@56c40367, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:59:05,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-15 21:59:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 173 states have (on average 1.7976878612716762) internal successors, (311), 205 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:59:05,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:05,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:05,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:05,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:05,319 INFO L85 PathProgramCache]: Analyzing trace with hash 9211884, now seen corresponding path program 1 times [2022-10-15 21:59:05,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:05,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375259395] [2022-10-15 21:59:05,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:05,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:05,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:05,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375259395] [2022-10-15 21:59:05,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375259395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:05,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:05,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:59:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110160040] [2022-10-15 21:59:05,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:05,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:59:05,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:05,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:59:05,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:59:05,664 INFO L87 Difference]: Start difference. First operand has 206 states, 173 states have (on average 1.7976878612716762) internal successors, (311), 205 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:05,708 INFO L93 Difference]: Finished difference Result 343 states and 511 transitions. [2022-10-15 21:59:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:59:05,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-15 21:59:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:05,724 INFO L225 Difference]: With dead ends: 343 [2022-10-15 21:59:05,724 INFO L226 Difference]: Without dead ends: 195 [2022-10-15 21:59:05,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:59:05,734 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:05,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-15 21:59:05,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-10-15 21:59:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 169 states have (on average 1.757396449704142) internal successors, (297), 194 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 297 transitions. [2022-10-15 21:59:05,804 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 297 transitions. Word has length 22 [2022-10-15 21:59:05,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:05,805 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 297 transitions. [2022-10-15 21:59:05,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 297 transitions. [2022-10-15 21:59:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 21:59:05,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:05,808 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 21:59:05,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:59:05,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1918727964, now seen corresponding path program 1 times [2022-10-15 21:59:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:05,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754570126] [2022-10-15 21:59:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:05,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:06,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:06,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754570126] [2022-10-15 21:59:06,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754570126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:06,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:06,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:59:06,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129259369] [2022-10-15 21:59:06,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:06,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:06,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:06,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:06,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:06,236 INFO L87 Difference]: Start difference. First operand 195 states and 297 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 21:59:06,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:06,366 INFO L93 Difference]: Finished difference Result 334 states and 490 transitions. [2022-10-15 21:59:06,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:06,367 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 21:59:06,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:06,371 INFO L225 Difference]: With dead ends: 334 [2022-10-15 21:59:06,371 INFO L226 Difference]: Without dead ends: 195 [2022-10-15 21:59:06,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:59:06,374 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 3 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:06,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1147 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:06,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-15 21:59:06,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-10-15 21:59:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 169 states have (on average 1.5798816568047338) internal successors, (267), 194 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 267 transitions. [2022-10-15 21:59:06,395 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 267 transitions. Word has length 33 [2022-10-15 21:59:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:06,396 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 267 transitions. [2022-10-15 21:59:06,396 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 21:59:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 267 transitions. [2022-10-15 21:59:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 21:59:06,399 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:06,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:06,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:59:06,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:06,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash 486247906, now seen corresponding path program 1 times [2022-10-15 21:59:06,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:06,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882790427] [2022-10-15 21:59:06,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:06,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:06,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:06,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882790427] [2022-10-15 21:59:06,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882790427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:06,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:06,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:06,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008415955] [2022-10-15 21:59:06,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:06,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:06,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:06,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:06,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:06,647 INFO L87 Difference]: Start difference. First operand 195 states and 267 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:06,701 INFO L93 Difference]: Finished difference Result 439 states and 611 transitions. [2022-10-15 21:59:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:06,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 21:59:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:06,705 INFO L225 Difference]: With dead ends: 439 [2022-10-15 21:59:06,706 INFO L226 Difference]: Without dead ends: 304 [2022-10-15 21:59:06,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:06,709 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 147 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:06,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 498 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:06,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-10-15 21:59:06,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 284. [2022-10-15 21:59:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 258 states have (on average 1.6085271317829457) internal successors, (415), 283 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 415 transitions. [2022-10-15 21:59:06,734 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 415 transitions. Word has length 62 [2022-10-15 21:59:06,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:06,735 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 415 transitions. [2022-10-15 21:59:06,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 415 transitions. [2022-10-15 21:59:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 21:59:06,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:06,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:06,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:59:06,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:06,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash -387949449, now seen corresponding path program 1 times [2022-10-15 21:59:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:06,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446591211] [2022-10-15 21:59:06,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:06,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:06,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446591211] [2022-10-15 21:59:06,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446591211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:06,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:06,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:06,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430122171] [2022-10-15 21:59:06,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:06,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:06,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:06,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:06,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:06,938 INFO L87 Difference]: Start difference. First operand 284 states and 415 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:06,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:06,991 INFO L93 Difference]: Finished difference Result 716 states and 1061 transitions. [2022-10-15 21:59:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:06,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 21:59:06,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:06,997 INFO L225 Difference]: With dead ends: 716 [2022-10-15 21:59:06,997 INFO L226 Difference]: Without dead ends: 492 [2022-10-15 21:59:07,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:07,012 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 165 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:07,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 498 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:07,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-10-15 21:59:07,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 462. [2022-10-15 21:59:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 436 states have (on average 1.646788990825688) internal successors, (718), 461 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 718 transitions. [2022-10-15 21:59:07,063 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 718 transitions. Word has length 64 [2022-10-15 21:59:07,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:07,063 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 718 transitions. [2022-10-15 21:59:07,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 718 transitions. [2022-10-15 21:59:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 21:59:07,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:07,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:07,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:59:07,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:07,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:07,068 INFO L85 PathProgramCache]: Analyzing trace with hash -263866388, now seen corresponding path program 1 times [2022-10-15 21:59:07,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:07,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130068378] [2022-10-15 21:59:07,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:07,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:07,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:07,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130068378] [2022-10-15 21:59:07,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130068378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:07,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:07,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:07,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950904313] [2022-10-15 21:59:07,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:07,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:07,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:07,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:07,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:07,239 INFO L87 Difference]: Start difference. First operand 462 states and 718 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:07,296 INFO L93 Difference]: Finished difference Result 1234 states and 1942 transitions. [2022-10-15 21:59:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:07,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 21:59:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:07,303 INFO L225 Difference]: With dead ends: 1234 [2022-10-15 21:59:07,303 INFO L226 Difference]: Without dead ends: 832 [2022-10-15 21:59:07,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:07,310 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 159 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:07,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 499 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-10-15 21:59:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 798. [2022-10-15 21:59:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 772 states have (on average 1.6709844559585492) internal successors, (1290), 797 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1290 transitions. [2022-10-15 21:59:07,353 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1290 transitions. Word has length 66 [2022-10-15 21:59:07,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:07,355 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1290 transitions. [2022-10-15 21:59:07,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1290 transitions. [2022-10-15 21:59:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 21:59:07,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:07,367 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] [2022-10-15 21:59:07,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:59:07,368 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:07,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:07,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1340082111, now seen corresponding path program 1 times [2022-10-15 21:59:07,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:07,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988282885] [2022-10-15 21:59:07,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:07,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:07,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:07,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988282885] [2022-10-15 21:59:07,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988282885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:07,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:07,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:07,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799088775] [2022-10-15 21:59:07,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:07,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:07,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:07,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:07,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:07,566 INFO L87 Difference]: Start difference. First operand 798 states and 1290 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:07,816 INFO L93 Difference]: Finished difference Result 1619 states and 2618 transitions. [2022-10-15 21:59:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:07,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 21:59:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:07,830 INFO L225 Difference]: With dead ends: 1619 [2022-10-15 21:59:07,830 INFO L226 Difference]: Without dead ends: 1616 [2022-10-15 21:59:07,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:07,834 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 553 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:07,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 706 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:07,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2022-10-15 21:59:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1362. [2022-10-15 21:59:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1336 states have (on average 1.6744011976047903) internal successors, (2237), 1361 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 2237 transitions. [2022-10-15 21:59:07,897 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 2237 transitions. Word has length 68 [2022-10-15 21:59:07,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:07,899 INFO L495 AbstractCegarLoop]: Abstraction has 1362 states and 2237 transitions. [2022-10-15 21:59:07,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 2237 transitions. [2022-10-15 21:59:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 21:59:07,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:07,901 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 21:59:07,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:59:07,902 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:07,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:07,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1407128147, now seen corresponding path program 1 times [2022-10-15 21:59:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:07,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792372417] [2022-10-15 21:59:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:08,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:08,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792372417] [2022-10-15 21:59:08,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792372417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:08,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:08,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:08,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897179371] [2022-10-15 21:59:08,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:08,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:08,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:08,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:08,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:08,069 INFO L87 Difference]: Start difference. First operand 1362 states and 2237 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:08,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:08,252 INFO L93 Difference]: Finished difference Result 1593 states and 2598 transitions. [2022-10-15 21:59:08,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:08,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 21:59:08,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:08,262 INFO L225 Difference]: With dead ends: 1593 [2022-10-15 21:59:08,262 INFO L226 Difference]: Without dead ends: 1590 [2022-10-15 21:59:08,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:08,265 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 550 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:08,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 490 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:08,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2022-10-15 21:59:08,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1570. [2022-10-15 21:59:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1544 states have (on average 1.6632124352331605) internal successors, (2568), 1569 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2568 transitions. [2022-10-15 21:59:08,340 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2568 transitions. Word has length 69 [2022-10-15 21:59:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:08,341 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2568 transitions. [2022-10-15 21:59:08,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2568 transitions. [2022-10-15 21:59:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:59:08,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:08,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:08,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:59:08,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:08,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:08,344 INFO L85 PathProgramCache]: Analyzing trace with hash 671300227, now seen corresponding path program 1 times [2022-10-15 21:59:08,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:08,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920050890] [2022-10-15 21:59:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:08,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:08,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920050890] [2022-10-15 21:59:08,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920050890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:08,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:08,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:59:08,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249869488] [2022-10-15 21:59:08,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:08,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:08,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:08,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:08,456 INFO L87 Difference]: Start difference. First operand 1570 states and 2568 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:08,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:08,979 INFO L93 Difference]: Finished difference Result 4706 states and 7654 transitions. [2022-10-15 21:59:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:59:08,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 21:59:08,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:08,997 INFO L225 Difference]: With dead ends: 4706 [2022-10-15 21:59:08,997 INFO L226 Difference]: Without dead ends: 3196 [2022-10-15 21:59:09,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:59:09,001 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1213 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:09,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 1410 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:59:09,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2022-10-15 21:59:09,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 2686. [2022-10-15 21:59:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2660 states have (on average 1.6488721804511277) internal successors, (4386), 2685 states have internal predecessors, (4386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 4386 transitions. [2022-10-15 21:59:09,125 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 4386 transitions. Word has length 70 [2022-10-15 21:59:09,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:09,125 INFO L495 AbstractCegarLoop]: Abstraction has 2686 states and 4386 transitions. [2022-10-15 21:59:09,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 4386 transitions. [2022-10-15 21:59:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:59:09,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:09,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:09,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:59:09,127 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:09,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:09,128 INFO L85 PathProgramCache]: Analyzing trace with hash -664528811, now seen corresponding path program 1 times [2022-10-15 21:59:09,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:09,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138737154] [2022-10-15 21:59:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:09,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:09,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:09,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138737154] [2022-10-15 21:59:09,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138737154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:09,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:09,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:59:09,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950460770] [2022-10-15 21:59:09,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:09,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:09,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:09,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:09,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:09,253 INFO L87 Difference]: Start difference. First operand 2686 states and 4386 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:09,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:09,632 INFO L93 Difference]: Finished difference Result 3499 states and 5678 transitions. [2022-10-15 21:59:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:59:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 21:59:09,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:09,651 INFO L225 Difference]: With dead ends: 3499 [2022-10-15 21:59:09,652 INFO L226 Difference]: Without dead ends: 3496 [2022-10-15 21:59:09,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:59:09,654 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1215 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:09,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 845 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:09,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2022-10-15 21:59:09,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3442. [2022-10-15 21:59:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 3416 states have (on average 1.6405152224824355) internal successors, (5604), 3441 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 5604 transitions. [2022-10-15 21:59:09,822 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 5604 transitions. Word has length 71 [2022-10-15 21:59:09,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:09,822 INFO L495 AbstractCegarLoop]: Abstraction has 3442 states and 5604 transitions. [2022-10-15 21:59:09,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 5604 transitions. [2022-10-15 21:59:09,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:59:09,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:09,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:09,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:59:09,825 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:09,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:09,826 INFO L85 PathProgramCache]: Analyzing trace with hash 663401814, now seen corresponding path program 1 times [2022-10-15 21:59:09,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:09,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560956998] [2022-10-15 21:59:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:09,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:09,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560956998] [2022-10-15 21:59:09,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560956998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:09,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:09,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:09,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787662637] [2022-10-15 21:59:09,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:09,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:09,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:09,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:09,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:09,893 INFO L87 Difference]: Start difference. First operand 3442 states and 5604 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:10,107 INFO L93 Difference]: Finished difference Result 7615 states and 12389 transitions. [2022-10-15 21:59:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:10,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:59:10,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:10,134 INFO L225 Difference]: With dead ends: 7615 [2022-10-15 21:59:10,134 INFO L226 Difference]: Without dead ends: 5303 [2022-10-15 21:59:10,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:10,139 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 164 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:10,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 620 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:10,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2022-10-15 21:59:10,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 5277. [2022-10-15 21:59:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 5251 states have (on average 1.6370215197105313) internal successors, (8596), 5276 states have internal predecessors, (8596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 8596 transitions. [2022-10-15 21:59:10,392 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 8596 transitions. Word has length 72 [2022-10-15 21:59:10,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:10,392 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 8596 transitions. [2022-10-15 21:59:10,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 8596 transitions. [2022-10-15 21:59:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:59:10,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:10,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:10,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:59:10,394 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:10,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:10,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1375593686, now seen corresponding path program 1 times [2022-10-15 21:59:10,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:10,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255475740] [2022-10-15 21:59:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:10,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:10,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:10,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255475740] [2022-10-15 21:59:10,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255475740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:10,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:10,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:10,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663324502] [2022-10-15 21:59:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:10,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:10,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:10,510 INFO L87 Difference]: Start difference. First operand 5277 states and 8596 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:10,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:10,801 INFO L93 Difference]: Finished difference Result 11911 states and 19599 transitions. [2022-10-15 21:59:10,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:10,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:59:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:10,846 INFO L225 Difference]: With dead ends: 11911 [2022-10-15 21:59:10,846 INFO L226 Difference]: Without dead ends: 8189 [2022-10-15 21:59:10,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:10,855 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 170 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:10,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 628 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2022-10-15 21:59:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 8163. [2022-10-15 21:59:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8137 states have (on average 1.6459383065011675) internal successors, (13393), 8162 states have internal predecessors, (13393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 13393 transitions. [2022-10-15 21:59:11,326 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 13393 transitions. Word has length 72 [2022-10-15 21:59:11,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:11,326 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 13393 transitions. [2022-10-15 21:59:11,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 13393 transitions. [2022-10-15 21:59:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:59:11,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:11,331 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] [2022-10-15 21:59:11,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:59:11,332 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:11,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:11,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1337960055, now seen corresponding path program 1 times [2022-10-15 21:59:11,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:11,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957481778] [2022-10-15 21:59:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:11,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:11,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:11,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957481778] [2022-10-15 21:59:11,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957481778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:11,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:11,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:11,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796694856] [2022-10-15 21:59:11,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:11,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:11,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:11,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:11,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:11,448 INFO L87 Difference]: Start difference. First operand 8163 states and 13393 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:12,259 INFO L93 Difference]: Finished difference Result 21870 states and 35866 transitions. [2022-10-15 21:59:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:12,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:59:12,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:12,298 INFO L225 Difference]: With dead ends: 21870 [2022-10-15 21:59:12,299 INFO L226 Difference]: Without dead ends: 13781 [2022-10-15 21:59:12,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:12,310 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 539 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:12,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 754 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:12,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13781 states. [2022-10-15 21:59:12,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13781 to 11700. [2022-10-15 21:59:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11700 states, 11674 states have (on average 1.631574438924105) internal successors, (19047), 11699 states have internal predecessors, (19047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11700 states to 11700 states and 19047 transitions. [2022-10-15 21:59:12,907 INFO L78 Accepts]: Start accepts. Automaton has 11700 states and 19047 transitions. Word has length 73 [2022-10-15 21:59:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:12,907 INFO L495 AbstractCegarLoop]: Abstraction has 11700 states and 19047 transitions. [2022-10-15 21:59:12,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 11700 states and 19047 transitions. [2022-10-15 21:59:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:59:12,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:12,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:12,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:59:12,909 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:12,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1472910616, now seen corresponding path program 1 times [2022-10-15 21:59:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:12,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270401281] [2022-10-15 21:59:12,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:13,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:13,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270401281] [2022-10-15 21:59:13,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270401281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:13,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:13,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:13,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000385727] [2022-10-15 21:59:13,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:13,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:13,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:13,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:13,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:13,023 INFO L87 Difference]: Start difference. First operand 11700 states and 19047 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:13,729 INFO L93 Difference]: Finished difference Result 16765 states and 27545 transitions. [2022-10-15 21:59:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:13,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 21:59:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:13,776 INFO L225 Difference]: With dead ends: 16765 [2022-10-15 21:59:13,777 INFO L226 Difference]: Without dead ends: 16764 [2022-10-15 21:59:13,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:13,785 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 540 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:13,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 464 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2022-10-15 21:59:14,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 16710. [2022-10-15 21:59:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16710 states, 16684 states have (on average 1.6389355070726443) internal successors, (27344), 16709 states have internal predecessors, (27344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16710 states to 16710 states and 27344 transitions. [2022-10-15 21:59:14,762 INFO L78 Accepts]: Start accepts. Automaton has 16710 states and 27344 transitions. Word has length 74 [2022-10-15 21:59:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:14,762 INFO L495 AbstractCegarLoop]: Abstraction has 16710 states and 27344 transitions. [2022-10-15 21:59:14,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 16710 states and 27344 transitions. [2022-10-15 21:59:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:59:14,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:14,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:14,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:59:14,765 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:14,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1228674776, now seen corresponding path program 1 times [2022-10-15 21:59:14,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:14,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649034689] [2022-10-15 21:59:14,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:14,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:14,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:14,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649034689] [2022-10-15 21:59:14,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649034689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:14,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:14,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:14,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733547432] [2022-10-15 21:59:14,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:14,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:14,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:14,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:14,835 INFO L87 Difference]: Start difference. First operand 16710 states and 27344 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:15,700 INFO L93 Difference]: Finished difference Result 33432 states and 54675 transitions. [2022-10-15 21:59:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:15,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 21:59:15,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:15,766 INFO L225 Difference]: With dead ends: 33432 [2022-10-15 21:59:15,766 INFO L226 Difference]: Without dead ends: 23997 [2022-10-15 21:59:15,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:15,786 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 158 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:15,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 617 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:15,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23997 states. [2022-10-15 21:59:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23997 to 23971. [2022-10-15 21:59:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23971 states, 23945 states have (on average 1.634078095635832) internal successors, (39128), 23970 states have internal predecessors, (39128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23971 states to 23971 states and 39128 transitions. [2022-10-15 21:59:17,234 INFO L78 Accepts]: Start accepts. Automaton has 23971 states and 39128 transitions. Word has length 74 [2022-10-15 21:59:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:17,234 INFO L495 AbstractCegarLoop]: Abstraction has 23971 states and 39128 transitions. [2022-10-15 21:59:17,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 23971 states and 39128 transitions. [2022-10-15 21:59:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:59:17,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:17,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:17,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:59:17,236 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:17,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:17,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1872126250, now seen corresponding path program 1 times [2022-10-15 21:59:17,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:17,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510711104] [2022-10-15 21:59:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:17,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:17,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:17,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510711104] [2022-10-15 21:59:17,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510711104] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:17,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:17,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:17,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764935253] [2022-10-15 21:59:17,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:17,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:17,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:17,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:17,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:17,371 INFO L87 Difference]: Start difference. First operand 23971 states and 39128 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:18,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:18,767 INFO L93 Difference]: Finished difference Result 63054 states and 103260 transitions. [2022-10-15 21:59:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:18,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 21:59:18,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:18,878 INFO L225 Difference]: With dead ends: 63054 [2022-10-15 21:59:18,879 INFO L226 Difference]: Without dead ends: 39169 [2022-10-15 21:59:18,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:18,909 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 544 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:18,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 756 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39169 states. [2022-10-15 21:59:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39169 to 33388. [2022-10-15 21:59:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33388 states, 33362 states have (on average 1.6234038726695041) internal successors, (54160), 33387 states have internal predecessors, (54160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33388 states to 33388 states and 54160 transitions. [2022-10-15 21:59:20,201 INFO L78 Accepts]: Start accepts. Automaton has 33388 states and 54160 transitions. Word has length 76 [2022-10-15 21:59:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:20,202 INFO L495 AbstractCegarLoop]: Abstraction has 33388 states and 54160 transitions. [2022-10-15 21:59:20,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 33388 states and 54160 transitions. [2022-10-15 21:59:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:59:20,203 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:20,203 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 21:59:20,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:59:20,203 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:20,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2093627748, now seen corresponding path program 1 times [2022-10-15 21:59:20,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:20,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318418330] [2022-10-15 21:59:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:20,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:20,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:20,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318418330] [2022-10-15 21:59:20,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318418330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:20,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:20,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:20,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656590016] [2022-10-15 21:59:20,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:20,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:20,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:20,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:20,297 INFO L87 Difference]: Start difference. First operand 33388 states and 54160 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:22,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:22,127 INFO L93 Difference]: Finished difference Result 48725 states and 79492 transitions. [2022-10-15 21:59:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:22,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:59:22,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:22,235 INFO L225 Difference]: With dead ends: 48725 [2022-10-15 21:59:22,235 INFO L226 Difference]: Without dead ends: 48724 [2022-10-15 21:59:22,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:22,253 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 536 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:22,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 467 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:22,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48724 states. [2022-10-15 21:59:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48724 to 48601. [2022-10-15 21:59:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48601 states, 48575 states have (on average 1.6235306227483273) internal successors, (78863), 48600 states have internal predecessors, (78863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48601 states to 48601 states and 78863 transitions. [2022-10-15 21:59:24,191 INFO L78 Accepts]: Start accepts. Automaton has 48601 states and 78863 transitions. Word has length 77 [2022-10-15 21:59:24,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:24,191 INFO L495 AbstractCegarLoop]: Abstraction has 48601 states and 78863 transitions. [2022-10-15 21:59:24,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 48601 states and 78863 transitions. [2022-10-15 21:59:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:59:24,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:24,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:24,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:59:24,194 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:24,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1931550530, now seen corresponding path program 1 times [2022-10-15 21:59:24,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:24,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579517779] [2022-10-15 21:59:24,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:24,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:24,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:24,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579517779] [2022-10-15 21:59:24,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579517779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:24,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:24,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:24,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311135951] [2022-10-15 21:59:24,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:24,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:24,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:24,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:24,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:24,328 INFO L87 Difference]: Start difference. First operand 48601 states and 78863 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:27,942 INFO L93 Difference]: Finished difference Result 156818 states and 254806 transitions. [2022-10-15 21:59:27,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:27,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 21:59:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:28,182 INFO L225 Difference]: With dead ends: 156818 [2022-10-15 21:59:28,183 INFO L226 Difference]: Without dead ends: 108303 [2022-10-15 21:59:28,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:28,250 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 540 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:28,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 829 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:28,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108303 states. [2022-10-15 21:59:31,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108303 to 78234. [2022-10-15 21:59:31,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78234 states, 78208 states have (on average 1.6100271072013093) internal successors, (125917), 78233 states have internal predecessors, (125917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78234 states to 78234 states and 125917 transitions. [2022-10-15 21:59:31,971 INFO L78 Accepts]: Start accepts. Automaton has 78234 states and 125917 transitions. Word has length 79 [2022-10-15 21:59:31,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:31,973 INFO L495 AbstractCegarLoop]: Abstraction has 78234 states and 125917 transitions. [2022-10-15 21:59:31,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 78234 states and 125917 transitions. [2022-10-15 21:59:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:59:31,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:31,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:31,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:59:31,987 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:31,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash 251476367, now seen corresponding path program 1 times [2022-10-15 21:59:31,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:31,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96911746] [2022-10-15 21:59:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:31,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:32,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:32,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96911746] [2022-10-15 21:59:32,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96911746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:32,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:32,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:32,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476518223] [2022-10-15 21:59:32,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:32,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:32,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:32,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:32,107 INFO L87 Difference]: Start difference. First operand 78234 states and 125917 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:35,672 INFO L93 Difference]: Finished difference Result 111835 states and 180365 transitions. [2022-10-15 21:59:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:35,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 21:59:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:35,865 INFO L225 Difference]: With dead ends: 111835 [2022-10-15 21:59:35,865 INFO L226 Difference]: Without dead ends: 111834 [2022-10-15 21:59:35,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:35,898 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 533 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:35,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 509 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:36,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111834 states. [2022-10-15 21:59:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111834 to 111592. [2022-10-15 21:59:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111592 states, 111566 states have (on average 1.6036606134485416) internal successors, (178914), 111591 states have internal predecessors, (178914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111592 states to 111592 states and 178914 transitions. [2022-10-15 21:59:40,607 INFO L78 Accepts]: Start accepts. Automaton has 111592 states and 178914 transitions. Word has length 80 [2022-10-15 21:59:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:40,607 INFO L495 AbstractCegarLoop]: Abstraction has 111592 states and 178914 transitions. [2022-10-15 21:59:40,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 111592 states and 178914 transitions. [2022-10-15 21:59:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:59:40,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:40,609 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] [2022-10-15 21:59:40,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:59:40,609 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:59:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:40,610 INFO L85 PathProgramCache]: Analyzing trace with hash 698940798, now seen corresponding path program 1 times [2022-10-15 21:59:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:40,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867363285] [2022-10-15 21:59:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:40,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:40,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:40,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867363285] [2022-10-15 21:59:40,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867363285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:40,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:40,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:40,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129171257] [2022-10-15 21:59:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:40,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:40,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:40,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:40,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:40,723 INFO L87 Difference]: Start difference. First operand 111592 states and 178914 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:48,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:48,945 INFO L93 Difference]: Finished difference Result 254940 states and 413018 transitions. [2022-10-15 21:59:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:48,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-15 21:59:48,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:49,631 INFO L225 Difference]: With dead ends: 254940 [2022-10-15 21:59:49,631 INFO L226 Difference]: Without dead ends: 254938 [2022-10-15 21:59:49,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:49,688 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 530 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:49,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 749 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:49,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254938 states. [2022-10-15 21:59:57,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254938 to 202308. [2022-10-15 21:59:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202308 states, 202282 states have (on average 1.602362049020674) internal successors, (324129), 202307 states have internal predecessors, (324129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)