/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/list-ext-properties/test-0232_1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:13:24,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:13:25,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:13:25,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 14:13:25,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:13:25,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:13:25,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:13:25,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:13:25,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:13:25,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:13:25,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:13:25,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:13:25,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:13:25,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:13:25,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:13:25,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:13:25,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 14:13:25,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:13:25,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:13:25,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:13:25,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:13:25,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:13:25,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:13:25,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:13:25,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:13:25,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:13:25,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:13:25,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:13:25,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:13:25,190 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:13:25,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:13:25,190 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:13:25,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:13:25,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:13:25,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:13:25,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:13:25,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:13:25,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:13:25,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:13:25,192 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:13:25,192 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:13:25,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:13:25,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:13:25,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:13:25,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:13:25,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:13:25,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:13:25,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:13:25,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:13:25,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:13:25,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:13:25,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:13:25,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:13:25,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:13:25,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:13:25,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:13:25,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:13:25,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:13:25,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:13:25,626 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:13:25,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2022-10-16 14:13:25,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642c76e0d/7c23df1f017845eb967cd91ef78ed65d/FLAG6c8da5fc4 [2022-10-16 14:13:26,404 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:13:26,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2022-10-16 14:13:26,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642c76e0d/7c23df1f017845eb967cd91ef78ed65d/FLAG6c8da5fc4 [2022-10-16 14:13:26,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642c76e0d/7c23df1f017845eb967cd91ef78ed65d [2022-10-16 14:13:26,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:13:26,719 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:13:26,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:13:26,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:13:26,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:13:26,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:13:26" (1/1) ... [2022-10-16 14:13:26,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d011a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:26, skipping insertion in model container [2022-10-16 14:13:26,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:13:26" (1/1) ... [2022-10-16 14:13:26,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:13:26,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:13:27,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:13:27,107 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:13:27,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:13:27,220 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:13:27,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27 WrapperNode [2022-10-16 14:13:27,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:13:27,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:13:27,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:13:27,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:13:27,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,280 INFO L138 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2022-10-16 14:13:27,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:13:27,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:13:27,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:13:27,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:13:27,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:13:27,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:13:27,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:13:27,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:13:27,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (1/1) ... [2022-10-16 14:13:27,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:13:27,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:27,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:13:27,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:13:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:13:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:13:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:13:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:13:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:13:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:13:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:13:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:13:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:13:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:13:27,621 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:13:27,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:13:27,934 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:13:27,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:13:27,945 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 14:13:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:27 BoogieIcfgContainer [2022-10-16 14:13:27,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:13:27,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:13:27,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:13:27,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:13:27,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:13:26" (1/3) ... [2022-10-16 14:13:27,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a323f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:13:27, skipping insertion in model container [2022-10-16 14:13:27,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:27" (2/3) ... [2022-10-16 14:13:27,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a323f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:13:27, skipping insertion in model container [2022-10-16 14:13:27,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:27" (3/3) ... [2022-10-16 14:13:27,959 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0232_1-1.i [2022-10-16 14:13:27,986 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:13:27,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 14:13:28,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:13:28,103 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;@5f6d790e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:13:28,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 14:13:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:13:28,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:28,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:13:28,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:28,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:28,141 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2022-10-16 14:13:28,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:28,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970896362] [2022-10-16 14:13:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:28,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:28,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970896362] [2022-10-16 14:13:28,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970896362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:28,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:28,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:13:28,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653426857] [2022-10-16 14:13:28,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:28,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:13:28,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:28,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:13:28,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:13:28,579 INFO L87 Difference]: Start difference. First operand has 32 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:28,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:28,636 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-10-16 14:13:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:13:28,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 14:13:28,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:28,648 INFO L225 Difference]: With dead ends: 53 [2022-10-16 14:13:28,648 INFO L226 Difference]: Without dead ends: 31 [2022-10-16 14:13:28,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:13:28,657 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:28,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 94 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:28,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-10-16 14:13:28,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-10-16 14:13:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-10-16 14:13:28,702 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 4 [2022-10-16 14:13:28,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:28,703 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-10-16 14:13:28,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-10-16 14:13:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:13:28,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:28,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:28,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:13:28,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:28,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:28,706 INFO L85 PathProgramCache]: Analyzing trace with hash 262867306, now seen corresponding path program 1 times [2022-10-16 14:13:28,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:28,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677535305] [2022-10-16 14:13:28,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:28,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:29,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:29,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677535305] [2022-10-16 14:13:29,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677535305] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:29,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:29,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:13:29,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358377655] [2022-10-16 14:13:29,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:29,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:13:29,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:29,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:13:29,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:13:29,259 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:29,380 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2022-10-16 14:13:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:13:29,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:13:29,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:29,382 INFO L225 Difference]: With dead ends: 60 [2022-10-16 14:13:29,382 INFO L226 Difference]: Without dead ends: 34 [2022-10-16 14:13:29,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:13:29,385 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 5 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:29,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 103 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:13:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-10-16 14:13:29,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2022-10-16 14:13:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-10-16 14:13:29,394 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 9 [2022-10-16 14:13:29,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:29,394 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-10-16 14:13:29,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-10-16 14:13:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:13:29,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:29,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:29,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:13:29,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:29,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:29,398 INFO L85 PathProgramCache]: Analyzing trace with hash 262926888, now seen corresponding path program 1 times [2022-10-16 14:13:29,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:29,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780845960] [2022-10-16 14:13:29,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:29,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:29,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:29,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780845960] [2022-10-16 14:13:29,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780845960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:29,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:29,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:13:29,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321244704] [2022-10-16 14:13:29,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:29,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:13:29,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:29,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:13:29,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:13:29,560 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:29,630 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-10-16 14:13:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:13:29,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:13:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:29,632 INFO L225 Difference]: With dead ends: 38 [2022-10-16 14:13:29,632 INFO L226 Difference]: Without dead ends: 36 [2022-10-16 14:13:29,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:13:29,635 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:29,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 76 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:29,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-10-16 14:13:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-10-16 14:13:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 35 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-10-16 14:13:29,643 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 9 [2022-10-16 14:13:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:29,643 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-10-16 14:13:29,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-10-16 14:13:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:13:29,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:29,645 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:29,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:13:29,645 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:29,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:29,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1061284532, now seen corresponding path program 1 times [2022-10-16 14:13:29,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:29,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463485719] [2022-10-16 14:13:29,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:29,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:29,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:29,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463485719] [2022-10-16 14:13:29,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463485719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:29,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:29,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:13:29,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922082326] [2022-10-16 14:13:29,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:29,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:13:29,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:29,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:13:29,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:13:29,721 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:29,745 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-10-16 14:13:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:13:29,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-10-16 14:13:29,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:29,747 INFO L225 Difference]: With dead ends: 36 [2022-10-16 14:13:29,747 INFO L226 Difference]: Without dead ends: 35 [2022-10-16 14:13:29,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:13:29,750 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:29,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 77 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-10-16 14:13:29,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-10-16 14:13:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2022-10-16 14:13:29,764 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 14 [2022-10-16 14:13:29,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:29,766 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2022-10-16 14:13:29,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-16 14:13:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:13:29,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:29,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:29,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:13:29,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:29,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1459934495, now seen corresponding path program 1 times [2022-10-16 14:13:29,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:29,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088321194] [2022-10-16 14:13:29,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:29,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:29,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088321194] [2022-10-16 14:13:29,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088321194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:29,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:29,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:13:29,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094968382] [2022-10-16 14:13:29,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:29,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:13:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:29,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:13:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:13:29,877 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:29,928 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2022-10-16 14:13:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:13:29,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-16 14:13:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:29,929 INFO L225 Difference]: With dead ends: 59 [2022-10-16 14:13:29,930 INFO L226 Difference]: Without dead ends: 49 [2022-10-16 14:13:29,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:13:29,932 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:29,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 90 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:29,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-10-16 14:13:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2022-10-16 14:13:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-10-16 14:13:29,939 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2022-10-16 14:13:29,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:29,940 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-16 14:13:29,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-10-16 14:13:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:13:29,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:29,941 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:29,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:13:29,942 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:29,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:29,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1459917836, now seen corresponding path program 1 times [2022-10-16 14:13:29,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:29,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810721257] [2022-10-16 14:13:29,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:30,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:30,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810721257] [2022-10-16 14:13:30,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810721257] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:30,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297384650] [2022-10-16 14:13:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:30,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:30,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:30,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:30,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:13:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:30,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:13:30,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:30,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:13:30,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297384650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:30,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:13:30,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-10-16 14:13:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39869731] [2022-10-16 14:13:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:30,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:13:30,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:30,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:13:30,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:13:30,256 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:30,294 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-10-16 14:13:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:13:30,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-16 14:13:30,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:30,296 INFO L225 Difference]: With dead ends: 38 [2022-10-16 14:13:30,296 INFO L226 Difference]: Without dead ends: 37 [2022-10-16 14:13:30,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:13:30,298 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 45 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:30,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 73 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-16 14:13:30,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-10-16 14:13:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 36 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-10-16 14:13:30,304 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 15 [2022-10-16 14:13:30,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:30,305 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-10-16 14:13:30,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-10-16 14:13:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 14:13:30,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:30,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:30,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 14:13:30,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 14:13:30,520 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:30,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1986266839, now seen corresponding path program 1 times [2022-10-16 14:13:30,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:30,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966140744] [2022-10-16 14:13:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:30,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:30,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966140744] [2022-10-16 14:13:30,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966140744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:30,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:30,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:13:30,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119359026] [2022-10-16 14:13:30,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:30,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:13:30,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:30,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:13:30,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:13:30,640 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:30,713 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2022-10-16 14:13:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:13:30,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 14:13:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:30,714 INFO L225 Difference]: With dead ends: 58 [2022-10-16 14:13:30,715 INFO L226 Difference]: Without dead ends: 57 [2022-10-16 14:13:30,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:13:30,716 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:30,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 88 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:13:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-10-16 14:13:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 40. [2022-10-16 14:13:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-10-16 14:13:30,723 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 16 [2022-10-16 14:13:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:30,723 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-10-16 14:13:30,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-10-16 14:13:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 14:13:30,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:30,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:30,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:13:30,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:30,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:30,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1444729942, now seen corresponding path program 1 times [2022-10-16 14:13:30,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:30,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423717524] [2022-10-16 14:13:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:30,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:30,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:30,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423717524] [2022-10-16 14:13:30,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423717524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:30,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:30,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:13:30,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886782128] [2022-10-16 14:13:30,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:30,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:13:30,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:30,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:13:30,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:13:30,803 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:30,829 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-10-16 14:13:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:13:30,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-10-16 14:13:30,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:30,835 INFO L225 Difference]: With dead ends: 40 [2022-10-16 14:13:30,841 INFO L226 Difference]: Without dead ends: 39 [2022-10-16 14:13:30,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:13:30,843 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:30,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 58 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:30,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-16 14:13:30,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-10-16 14:13:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-10-16 14:13:30,853 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 17 [2022-10-16 14:13:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:30,855 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-10-16 14:13:30,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-10-16 14:13:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:13:30,857 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:30,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:30,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:13:30,857 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:30,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:30,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1111040472, now seen corresponding path program 1 times [2022-10-16 14:13:30,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:30,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136847330] [2022-10-16 14:13:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:31,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:31,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136847330] [2022-10-16 14:13:31,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136847330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:31,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:31,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:13:31,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834043564] [2022-10-16 14:13:31,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:31,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:13:31,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:31,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:13:31,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:13:31,059 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:31,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:31,131 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-10-16 14:13:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:13:31,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-10-16 14:13:31,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:31,133 INFO L225 Difference]: With dead ends: 56 [2022-10-16 14:13:31,133 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 14:13:31,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:13:31,134 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 20 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:31,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 107 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 14:13:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2022-10-16 14:13:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 34 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2022-10-16 14:13:31,139 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 19 [2022-10-16 14:13:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:31,140 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2022-10-16 14:13:31,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-10-16 14:13:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:13:31,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:31,141 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:31,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:13:31,141 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:31,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:31,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1529834374, now seen corresponding path program 1 times [2022-10-16 14:13:31,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:31,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788138099] [2022-10-16 14:13:31,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:31,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:31,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:31,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788138099] [2022-10-16 14:13:31,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788138099] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:31,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560407470] [2022-10-16 14:13:31,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:31,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:31,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:13:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:31,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:13:31,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:31,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:13:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:31,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560407470] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:13:31,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:13:31,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 14:13:31,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514405302] [2022-10-16 14:13:31,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:13:31,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:13:31,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:31,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:13:31,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:13:31,537 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:31,651 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2022-10-16 14:13:31,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:13:31,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 14:13:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:31,653 INFO L225 Difference]: With dead ends: 79 [2022-10-16 14:13:31,654 INFO L226 Difference]: Without dead ends: 78 [2022-10-16 14:13:31,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:13:31,655 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 48 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:31,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 152 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:13:31,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-10-16 14:13:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 62. [2022-10-16 14:13:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 61 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2022-10-16 14:13:31,663 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 19 [2022-10-16 14:13:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:31,664 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2022-10-16 14:13:31,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2022-10-16 14:13:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 14:13:31,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:31,665 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:31,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:13:31,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 14:13:31,881 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:31,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:31,882 INFO L85 PathProgramCache]: Analyzing trace with hash -180225285, now seen corresponding path program 1 times [2022-10-16 14:13:31,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:31,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919092070] [2022-10-16 14:13:31,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:32,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:32,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919092070] [2022-10-16 14:13:32,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919092070] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:32,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929898886] [2022-10-16 14:13:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:32,007 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:32,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:13:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:32,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:13:32,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:32,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:13:32,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929898886] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:32,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:13:32,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:13:32,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163999571] [2022-10-16 14:13:32,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:32,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:13:32,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:32,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:13:32,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:13:32,175 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:32,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:32,235 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2022-10-16 14:13:32,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:13:32,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-10-16 14:13:32,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:32,237 INFO L225 Difference]: With dead ends: 62 [2022-10-16 14:13:32,237 INFO L226 Difference]: Without dead ends: 61 [2022-10-16 14:13:32,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:13:32,238 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 19 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:32,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 77 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:32,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-10-16 14:13:32,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-10-16 14:13:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 60 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2022-10-16 14:13:32,245 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 20 [2022-10-16 14:13:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:32,245 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2022-10-16 14:13:32,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-10-16 14:13:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 14:13:32,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:32,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:32,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:13:32,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:32,461 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:32,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1430619205, now seen corresponding path program 1 times [2022-10-16 14:13:32,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:32,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449183276] [2022-10-16 14:13:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:32,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:32,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449183276] [2022-10-16 14:13:32,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449183276] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:32,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428523084] [2022-10-16 14:13:32,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:32,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:32,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:32,643 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:32,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:13:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:32,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:13:32,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:32,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:13:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:32,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428523084] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:13:32,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:13:32,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-10-16 14:13:32,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702437960] [2022-10-16 14:13:32,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:13:32,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:13:32,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:32,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:13:32,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:13:32,901 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:33,038 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2022-10-16 14:13:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:13:33,038 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 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 26 [2022-10-16 14:13:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:33,039 INFO L225 Difference]: With dead ends: 76 [2022-10-16 14:13:33,039 INFO L226 Difference]: Without dead ends: 75 [2022-10-16 14:13:33,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:13:33,041 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 86 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:33,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 130 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:13:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-10-16 14:13:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2022-10-16 14:13:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 59 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2022-10-16 14:13:33,047 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 26 [2022-10-16 14:13:33,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:33,047 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2022-10-16 14:13:33,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-10-16 14:13:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 14:13:33,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:33,049 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:33,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:13:33,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:33,258 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:33,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:33,259 INFO L85 PathProgramCache]: Analyzing trace with hash 616334762, now seen corresponding path program 1 times [2022-10-16 14:13:33,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:33,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343449772] [2022-10-16 14:13:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:33,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343449772] [2022-10-16 14:13:33,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343449772] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:33,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412630681] [2022-10-16 14:13:33,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:33,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:33,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:33,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:13:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:33,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:13:33,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:33,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:13:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:33,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412630681] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:13:33,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:13:33,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-10-16 14:13:33,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114477254] [2022-10-16 14:13:33,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:13:33,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:13:33,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:33,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:13:33,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:13:33,882 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:34,124 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2022-10-16 14:13:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 14:13:34,125 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 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 29 [2022-10-16 14:13:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:34,126 INFO L225 Difference]: With dead ends: 78 [2022-10-16 14:13:34,126 INFO L226 Difference]: Without dead ends: 72 [2022-10-16 14:13:34,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2022-10-16 14:13:34,128 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 107 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:34,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:13:34,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-10-16 14:13:34,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 67. [2022-10-16 14:13:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2022-10-16 14:13:34,142 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 29 [2022-10-16 14:13:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:34,143 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2022-10-16 14:13:34,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-10-16 14:13:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 14:13:34,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:34,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:34,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:13:34,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 14:13:34,362 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:34,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:34,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1926508530, now seen corresponding path program 1 times [2022-10-16 14:13:34,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:34,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189235251] [2022-10-16 14:13:34,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:34,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 14:13:34,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:34,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189235251] [2022-10-16 14:13:34,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189235251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:34,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:34,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:13:34,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285767979] [2022-10-16 14:13:34,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:34,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:13:34,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:34,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:13:34,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:13:34,504 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:34,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:34,510 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2022-10-16 14:13:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:13:34,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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 30 [2022-10-16 14:13:34,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:34,512 INFO L225 Difference]: With dead ends: 67 [2022-10-16 14:13:34,512 INFO L226 Difference]: Without dead ends: 50 [2022-10-16 14:13:34,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:13:34,513 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:34,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-10-16 14:13:34,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-10-16 14:13:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2022-10-16 14:13:34,518 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 30 [2022-10-16 14:13:34,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:34,518 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2022-10-16 14:13:34,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-10-16 14:13:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 14:13:34,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:34,520 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2022-10-16 14:13:34,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:13:34,521 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:34,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:34,521 INFO L85 PathProgramCache]: Analyzing trace with hash -163609488, now seen corresponding path program 2 times [2022-10-16 14:13:34,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:34,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465231327] [2022-10-16 14:13:34,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:34,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:34,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:34,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465231327] [2022-10-16 14:13:34,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465231327] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:34,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89181527] [2022-10-16 14:13:34,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:13:34,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:34,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:34,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:34,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:13:35,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:13:35,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:13:35,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:13:35,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:35,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:13:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:35,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89181527] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:13:35,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:13:35,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2022-10-16 14:13:35,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36478896] [2022-10-16 14:13:35,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:13:35,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:13:35,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:35,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:13:35,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:13:35,399 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:35,563 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2022-10-16 14:13:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:13:35,564 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 14:13:35,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:35,565 INFO L225 Difference]: With dead ends: 112 [2022-10-16 14:13:35,565 INFO L226 Difference]: Without dead ends: 111 [2022-10-16 14:13:35,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:13:35,567 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 81 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:35,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 125 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:13:35,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-10-16 14:13:35,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2022-10-16 14:13:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.1009174311926606) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2022-10-16 14:13:35,575 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 49 [2022-10-16 14:13:35,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:35,575 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2022-10-16 14:13:35,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:13:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2022-10-16 14:13:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 14:13:35,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:35,577 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2022-10-16 14:13:35,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:13:35,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:13:35,792 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:13:35,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1004450596, now seen corresponding path program 3 times [2022-10-16 14:13:35,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:35,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626997696] [2022-10-16 14:13:35,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:35,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:13:37,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:37,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626997696] [2022-10-16 14:13:37,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626997696] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:37,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153726152] [2022-10-16 14:13:37,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:13:37,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:37,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:37,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:37,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:14:00,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-10-16 14:14:00,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:14:00,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-16 14:14:00,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:14:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:14:00,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:14:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:14:01,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153726152] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:14:01,039 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:14:01,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2022-10-16 14:14:01,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124902758] [2022-10-16 14:14:01,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:14:01,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-10-16 14:14:01,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:14:01,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-10-16 14:14:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:14:01,043 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand has 48 states, 47 states have (on average 4.808510638297872) internal successors, (226), 48 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:14:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:14:01,547 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2022-10-16 14:14:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-16 14:14:01,548 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.808510638297872) internal successors, (226), 48 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 14:14:01,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:14:01,550 INFO L225 Difference]: With dead ends: 232 [2022-10-16 14:14:01,550 INFO L226 Difference]: Without dead ends: 231 [2022-10-16 14:14:01,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2022-10-16 14:14:01,553 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 283 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:14:01,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 228 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:14:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-16 14:14:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 230. [2022-10-16 14:14:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.1004366812227073) internal successors, (252), 229 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:14:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 252 transitions. [2022-10-16 14:14:01,566 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 252 transitions. Word has length 109 [2022-10-16 14:14:01,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:14:01,566 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 252 transitions. [2022-10-16 14:14:01,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.808510638297872) internal successors, (226), 48 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:14:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 252 transitions. [2022-10-16 14:14:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 14:14:01,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:14:01,569 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2022-10-16 14:14:01,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:14:01,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:14:01,770 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:14:01,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:14:01,773 INFO L85 PathProgramCache]: Analyzing trace with hash 720820, now seen corresponding path program 4 times [2022-10-16 14:14:01,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:14:01,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655510615] [2022-10-16 14:14:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:14:01,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:14:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:14:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2464 backedges. 0 proven. 2464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:14:06,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:14:06,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655510615] [2022-10-16 14:14:06,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655510615] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:14:06,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551583615] [2022-10-16 14:14:06,072 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 14:14:06,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:14:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:14:06,078 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:14:06,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:16:01,344 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 14:16:01,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:01,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-16 14:16:01,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2464 backedges. 2440 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:16:03,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:03,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551583615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:03,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:03,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [47] total 89 [2022-10-16 14:16:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068796827] [2022-10-16 14:16:03,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:03,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 14:16:03,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:03,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 14:16:03,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=6751, Unknown=0, NotChecked=0, Total=7832 [2022-10-16 14:16:03,115 INFO L87 Difference]: Start difference. First operand 230 states and 252 transitions. Second operand has 43 states, 43 states have (on average 4.953488372093023) internal successors, (213), 42 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:04,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:04,202 INFO L93 Difference]: Finished difference Result 230 states and 252 transitions. [2022-10-16 14:16:04,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 14:16:04,203 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 4.953488372093023) internal successors, (213), 42 states have internal predecessors, (213), 0 states have call successors, (0), 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 229 [2022-10-16 14:16:04,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:04,203 INFO L225 Difference]: With dead ends: 230 [2022-10-16 14:16:04,203 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:16:04,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3029 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1731, Invalid=10041, Unknown=0, NotChecked=0, Total=11772 [2022-10-16 14:16:04,209 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 68 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:04,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 1345 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:16:04,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:16:04,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:16:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:16:04,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2022-10-16 14:16:04,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:04,211 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:16:04,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.953488372093023) internal successors, (213), 42 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:16:04,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:16:04,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-10-16 14:16:04,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-10-16 14:16:04,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-10-16 14:16:04,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-10-16 14:16:04,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-10-16 14:16:04,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-10-16 14:16:04,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-10-16 14:16:04,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-10-16 14:16:04,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:04,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 14:16:04,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:16:04,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 545) no Hoare annotation was computed. [2022-10-16 14:16:04,969 INFO L899 garLoopResultBuilder]: For program point L543-1(lines 543 546) no Hoare annotation was computed. [2022-10-16 14:16:04,969 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 543 546) no Hoare annotation was computed. [2022-10-16 14:16:04,970 INFO L895 garLoopResultBuilder]: At program point L543-4(lines 543 546) the Hoare annotation is: (let ((.cse0 (<= ~c~0 19)) (.cse1 (<= 1 ~c~0)) (.cse2 (<= 1 |ULTIMATE.start_main_~length~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~length~0#1| 4) (<= 4 ~c~0) .cse2) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~length~0#1| 7) (<= 7 ~c~0)) (and .cse0 (< |ULTIMATE.start_main_~length~0#1| 2147483642) (<= 16 ~c~0) .cse1 .cse2) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#list~0#1.base|) |ULTIMATE.start_main_~#list~0#1.offset|) 0) (= ~c~0 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#list~0#1.base|) |ULTIMATE.start_main_~#list~0#1.offset|) 0) (= |ULTIMATE.start_main_~length~0#1| 0)) (and .cse0 (<= 14 ~c~0) .cse1 .cse2 (< |ULTIMATE.start_main_~length~0#1| 2147483640)) (and .cse0 (<= 6 ~c~0) (<= |ULTIMATE.start_main_~length~0#1| 6) .cse1 .cse2) (and .cse0 (< |ULTIMATE.start_main_~length~0#1| 2147483638) .cse1 .cse2 (<= 12 ~c~0)) (and .cse0 (<= 11 ~c~0) (< |ULTIMATE.start_main_~length~0#1| 2147483637) .cse1 .cse2) (and .cse0 (<= |ULTIMATE.start_main_~length~0#1| 3) (<= 3 ~c~0) .cse1 .cse2) (and .cse0 (<= 18 ~c~0) .cse1 (< |ULTIMATE.start_main_~length~0#1| 2147483644) .cse2) (and .cse0 (<= 19 ~c~0) (< |ULTIMATE.start_main_~length~0#1| 2147483645) .cse1 .cse2) (and .cse0 (<= |ULTIMATE.start_main_~length~0#1| 1) .cse1 .cse2) (and .cse0 (<= 17 ~c~0) .cse1 (< |ULTIMATE.start_main_~length~0#1| 2147483643) .cse2) (and .cse0 (< |ULTIMATE.start_main_~length~0#1| 2147483641) (<= 15 ~c~0) .cse1 .cse2) (and .cse0 (<= 8 ~c~0) (<= |ULTIMATE.start_main_~length~0#1| 8) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~length~0#1| 2) (<= 2 ~c~0)) (and .cse0 (<= |ULTIMATE.start_main_~length~0#1| 9) .cse1 .cse2 (<= 9 ~c~0)) (and .cse0 (<= 5 ~c~0) .cse1 .cse2 (<= |ULTIMATE.start_main_~length~0#1| 5)) (and .cse0 (<= 10 ~c~0) .cse1 .cse2 (<= |ULTIMATE.start_main_~length~0#1| 10)) (and .cse0 (< |ULTIMATE.start_main_~length~0#1| 2147483639) .cse1 (<= 13 ~c~0) .cse2))) [2022-10-16 14:16:04,970 INFO L899 garLoopResultBuilder]: For program point L543-5(lines 540 563) no Hoare annotation was computed. [2022-10-16 14:16:04,970 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-10-16 14:16:04,970 INFO L899 garLoopResultBuilder]: For program point L531-1(line 531) no Hoare annotation was computed. [2022-10-16 14:16:04,970 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-10-16 14:16:04,971 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2022-10-16 14:16:04,971 INFO L895 garLoopResultBuilder]: At program point L556-1(lines 540 563) the Hoare annotation is: (and (<= 1 ~c~0) (< |ULTIMATE.start_main_~length~0#1| 2147483649)) [2022-10-16 14:16:04,971 INFO L899 garLoopResultBuilder]: For program point L556-2(lines 556 561) no Hoare annotation was computed. [2022-10-16 14:16:04,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 560) no Hoare annotation was computed. [2022-10-16 14:16:04,971 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 550) no Hoare annotation was computed. [2022-10-16 14:16:04,971 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 550) no Hoare annotation was computed. [2022-10-16 14:16:04,971 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 531) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 531) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 14:16:04,972 INFO L899 garLoopResultBuilder]: For program point L545-1(line 545) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L902 garLoopResultBuilder]: At program point L562(lines 539 563) the Hoare annotation is: true [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 538) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point L554-1(line 554) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 545) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 536) no Hoare annotation was computed. [2022-10-16 14:16:04,973 INFO L899 garLoopResultBuilder]: For program point L534-2(lines 534 536) no Hoare annotation was computed. [2022-10-16 14:16:04,974 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 560) no Hoare annotation was computed. [2022-10-16 14:16:04,978 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:04,981 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:16:05,001 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-10-16 14:16:05,003 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-10-16 14:16:05,007 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-10-16 14:16:05,007 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-10-16 14:16:05,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:16:05 BoogieIcfgContainer [2022-10-16 14:16:05,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:16:05,011 INFO L158 Benchmark]: Toolchain (without parser) took 158296.53ms. Allocated memory was 154.1MB in the beginning and 274.7MB in the end (delta: 120.6MB). Free memory was 127.6MB in the beginning and 132.7MB in the end (delta: -5.1MB). Peak memory consumption was 116.5MB. Max. memory is 8.0GB. [2022-10-16 14:16:05,011 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 154.1MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:16:05,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.91ms. Allocated memory is still 154.1MB. Free memory was 127.4MB in the beginning and 111.2MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 14:16:05,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.03ms. Allocated memory is still 154.1MB. Free memory was 111.2MB in the beginning and 109.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:16:05,012 INFO L158 Benchmark]: Boogie Preprocessor took 34.29ms. Allocated memory is still 154.1MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 14:16:05,013 INFO L158 Benchmark]: RCFGBuilder took 631.17ms. Allocated memory is still 154.1MB. Free memory was 107.7MB in the beginning and 126.6MB in the end (delta: -18.9MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-10-16 14:16:05,013 INFO L158 Benchmark]: TraceAbstraction took 157059.39ms. Allocated memory was 154.1MB in the beginning and 274.7MB in the end (delta: 120.6MB). Free memory was 126.1MB in the beginning and 132.7MB in the end (delta: -6.7MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. [2022-10-16 14:16:05,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 154.1MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 500.91ms. Allocated memory is still 154.1MB. Free memory was 127.4MB in the beginning and 111.2MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.03ms. Allocated memory is still 154.1MB. Free memory was 111.2MB in the beginning and 109.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.29ms. Allocated memory is still 154.1MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 631.17ms. Allocated memory is still 154.1MB. Free memory was 107.7MB in the beginning and 126.6MB in the end (delta: -18.9MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * TraceAbstraction took 157059.39ms. Allocated memory was 154.1MB in the beginning and 274.7MB in the end (delta: 120.6MB). Free memory was 126.1MB in the beginning and 132.7MB in the end (delta: -6.7MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 531]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 531]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 156.9s, OverallIterations: 17, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 831 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 831 mSDsluCounter, 2953 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2465 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1372 IncrementalHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 488 mSDtfsCounter, 1372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 955 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4625 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=16, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 78 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 331 HoareAnnotationTreeSize, 3 FomulaSimplifications, 907 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 671 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 138.6s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1327 ConstructedInterpolants, 0 QuantifiedInterpolants, 3809 SizeOfPredicates, 49 NumberOfNonLiveVariables, 4898 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 30 InterpolantComputations, 12 PerfectInterpolantSequences, 2487/6867 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 <= c && length < 2147483649 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant [2022-10-16 14:16:05,025 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-10-16 14:16:05,025 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-10-16 14:16:05,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-10-16 14:16:05,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((((((c <= 19 && 1 <= c) && length <= 4) && 4 <= c) && 1 <= length) || ((((c <= 19 && 1 <= c) && 1 <= length) && length <= 7) && 7 <= c)) || ((((c <= 19 && length < 2147483642) && 16 <= c) && 1 <= c) && 1 <= length)) || (((#memory_$Pointer$[list][list] == 0 && c == 0) && #memory_$Pointer$[list][list] == 0) && length == 0)) || ((((c <= 19 && 14 <= c) && 1 <= c) && 1 <= length) && length < 2147483640)) || ((((c <= 19 && 6 <= c) && length <= 6) && 1 <= c) && 1 <= length)) || ((((c <= 19 && length < 2147483638) && 1 <= c) && 1 <= length) && 12 <= c)) || ((((c <= 19 && 11 <= c) && length < 2147483637) && 1 <= c) && 1 <= length)) || ((((c <= 19 && length <= 3) && 3 <= c) && 1 <= c) && 1 <= length)) || ((((c <= 19 && 18 <= c) && 1 <= c) && length < 2147483644) && 1 <= length)) || ((((c <= 19 && 19 <= c) && length < 2147483645) && 1 <= c) && 1 <= length)) || (((c <= 19 && length <= 1) && 1 <= c) && 1 <= length)) || ((((c <= 19 && 17 <= c) && 1 <= c) && length < 2147483643) && 1 <= length)) || ((((c <= 19 && length < 2147483641) && 15 <= c) && 1 <= c) && 1 <= length)) || ((((c <= 19 && 8 <= c) && length <= 8) && 1 <= c) && 1 <= length)) || ((((c <= 19 && 1 <= c) && 1 <= length) && length <= 2) && 2 <= c)) || ((((c <= 19 && length <= 9) && 1 <= c) && 1 <= length) && 9 <= c)) || ((((c <= 19 && 5 <= c) && 1 <= c) && 1 <= length) && length <= 5)) || ((((c <= 19 && 10 <= c) && 1 <= c) && 1 <= length) && length <= 10)) || ((((c <= 19 && length < 2147483639) && 1 <= c) && 13 <= c) && 1 <= length) RESULT: Ultimate proved your program to be correct! [2022-10-16 14:16:05,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...