/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/termination-memory-alloca/java_BubbleSort-alloca-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:46:31,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:46:31,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:46:31,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:46:31,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:46:31,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:46:31,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:46:31,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:46:31,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:46:31,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:46:31,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:46:31,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:46:31,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:46:31,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:46:31,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:46:31,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:46:31,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:46:31,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:46:31,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:46:31,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:46:31,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:46:31,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:46:31,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:46:31,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:46:31,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:46:31,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:46:31,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:46:31,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:46:31,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:46:31,198 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:46:31,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:46:31,200 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:46:31,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:46:31,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:46:31,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:46:31,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:46:31,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:46:31,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:46:31,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:46:31,201 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:46:31,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:46:31,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:46:31,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:46:31,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:46:31,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:46:31,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:46:31,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:46:31,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:46:31,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:46:31,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:46:31,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:46:31,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:46:31,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:46:31,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:46:31,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:46:31,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:46:31,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:46:31,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:46:31,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:46:31,654 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:46:31,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2022-10-15 22:46:31,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbb77d2a/6407068cf2444d6d835d3e8b9897af49/FLAGc4a87a35a [2022-10-15 22:46:32,416 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:46:32,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2022-10-15 22:46:32,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbb77d2a/6407068cf2444d6d835d3e8b9897af49/FLAGc4a87a35a [2022-10-15 22:46:32,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbb77d2a/6407068cf2444d6d835d3e8b9897af49 [2022-10-15 22:46:32,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:46:32,726 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:46:32,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:46:32,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:46:32,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:46:32,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:46:32" (1/1) ... [2022-10-15 22:46:32,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74193470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:32, skipping insertion in model container [2022-10-15 22:46:32,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:46:32" (1/1) ... [2022-10-15 22:46:32,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:46:32,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:46:33,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:46:33,186 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:46:33,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:46:33,299 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:46:33,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33 WrapperNode [2022-10-15 22:46:33,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:46:33,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:46:33,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:46:33,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:46:33,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,361 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-10-15 22:46:33,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:46:33,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:46:33,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:46:33,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:46:33,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:46:33,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:46:33,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:46:33,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:46:33,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (1/1) ... [2022-10-15 22:46:33,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:46:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:33,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:46:33,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:46:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 22:46:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 22:46:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 22:46:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 22:46:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:46:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:46:33,646 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:46:33,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:46:33,977 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:46:34,027 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:46:34,027 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-15 22:46:34,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:46:34 BoogieIcfgContainer [2022-10-15 22:46:34,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:46:34,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:46:34,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:46:34,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:46:34,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:46:32" (1/3) ... [2022-10-15 22:46:34,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5ccc20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:46:34, skipping insertion in model container [2022-10-15 22:46:34,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:46:33" (2/3) ... [2022-10-15 22:46:34,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5ccc20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:46:34, skipping insertion in model container [2022-10-15 22:46:34,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:46:34" (3/3) ... [2022-10-15 22:46:34,058 INFO L112 eAbstractionObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i [2022-10-15 22:46:34,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:46:34,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-15 22:46:34,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:46:34,231 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;@700ecbe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:46:34,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-15 22:46:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-15 22:46:34,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:34,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:34,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:34,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:34,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1804971307, now seen corresponding path program 1 times [2022-10-15 22:46:34,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:34,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446890046] [2022-10-15 22:46:34,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:34,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:34,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:34,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446890046] [2022-10-15 22:46:34,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446890046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:34,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:34,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:34,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544857496] [2022-10-15 22:46:34,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:34,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:34,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:34,604 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.7586206896551724) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 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 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:34,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:34,676 INFO L93 Difference]: Finished difference Result 118 states and 135 transitions. [2022-10-15 22:46:34,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:34,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-15 22:46:34,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:34,702 INFO L225 Difference]: With dead ends: 118 [2022-10-15 22:46:34,702 INFO L226 Difference]: Without dead ends: 74 [2022-10-15 22:46:34,706 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 [2022-10-15 22:46:34,711 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 40 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:34,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 125 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:34,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-10-15 22:46:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 44. [2022-10-15 22:46:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-10-15 22:46:34,761 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 7 [2022-10-15 22:46:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:34,762 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-10-15 22:46:34,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-10-15 22:46:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 22:46:34,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:34,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:34,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:46:34,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 119484279, now seen corresponding path program 1 times [2022-10-15 22:46:34,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:34,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589506215] [2022-10-15 22:46:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:34,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:34,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589506215] [2022-10-15 22:46:34,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589506215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:34,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:34,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:46:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410465262] [2022-10-15 22:46:34,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:34,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:34,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:34,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:34,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:34,951 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:35,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:35,016 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2022-10-15 22:46:35,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:35,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-15 22:46:35,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:35,022 INFO L225 Difference]: With dead ends: 74 [2022-10-15 22:46:35,023 INFO L226 Difference]: Without dead ends: 44 [2022-10-15 22:46:35,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:35,028 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 44 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 75 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 [2022-10-15 22:46:35,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 75 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:35,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-10-15 22:46:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-10-15 22:46:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.6) internal successors, (48), 43 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2022-10-15 22:46:35,037 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 8 [2022-10-15 22:46:35,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:35,037 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2022-10-15 22:46:35,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-10-15 22:46:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 22:46:35,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:35,039 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:35,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:46:35,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:35,040 INFO L85 PathProgramCache]: Analyzing trace with hash 560852455, now seen corresponding path program 1 times [2022-10-15 22:46:35,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:35,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856201656] [2022-10-15 22:46:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:35,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:35,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:35,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856201656] [2022-10-15 22:46:35,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856201656] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:35,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852407597] [2022-10-15 22:46:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:35,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:35,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:35,244 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) [2022-10-15 22:46:35,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 22:46:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:35,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 22:46:35,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:35,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:46:35,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852407597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:35,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:46:35,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-10-15 22:46:35,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691771887] [2022-10-15 22:46:35,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:35,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:46:35,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:46:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:46:35,469 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:35,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:35,533 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2022-10-15 22:46:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:46:35,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-15 22:46:35,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:35,536 INFO L225 Difference]: With dead ends: 116 [2022-10-15 22:46:35,536 INFO L226 Difference]: Without dead ends: 80 [2022-10-15 22:46:35,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:46:35,539 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 70 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:35,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 141 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-10-15 22:46:35,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 50. [2022-10-15 22:46:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.5) 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) [2022-10-15 22:46:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2022-10-15 22:46:35,557 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 11 [2022-10-15 22:46:35,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:35,557 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2022-10-15 22:46:35,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-10-15 22:46:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 22:46:35,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:35,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:35,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:35,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:35,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:35,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:35,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1240910825, now seen corresponding path program 1 times [2022-10-15 22:46:35,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:35,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251893554] [2022-10-15 22:46:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:35,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:35,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251893554] [2022-10-15 22:46:35,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251893554] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558740499] [2022-10-15 22:46:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:35,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:35,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:35,947 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) [2022-10-15 22:46:35,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 22:46:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:36,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 22:46:36,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:36,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:46:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:36,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558740499] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:46:36,107 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:46:36,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-15 22:46:36,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878074502] [2022-10-15 22:46:36,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:46:36,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 22:46:36,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 22:46:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:46:36,110 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:36,247 INFO L93 Difference]: Finished difference Result 156 states and 171 transitions. [2022-10-15 22:46:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:46:36,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-15 22:46:36,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:36,250 INFO L225 Difference]: With dead ends: 156 [2022-10-15 22:46:36,250 INFO L226 Difference]: Without dead ends: 155 [2022-10-15 22:46:36,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-15 22:46:36,252 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 158 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:36,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 247 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:46:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-10-15 22:46:36,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 61. [2022-10-15 22:46:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 60 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2022-10-15 22:46:36,292 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 11 [2022-10-15 22:46:36,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:36,292 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2022-10-15 22:46:36,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-10-15 22:46:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-15 22:46:36,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:36,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:36,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-15 22:46:36,504 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,SelfDestructingSolverStorable3 [2022-10-15 22:46:36,505 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:36,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:36,507 INFO L85 PathProgramCache]: Analyzing trace with hash 206505531, now seen corresponding path program 1 times [2022-10-15 22:46:36,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:36,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787759100] [2022-10-15 22:46:36,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:36,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:36,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:36,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787759100] [2022-10-15 22:46:36,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787759100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:36,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:36,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942045694] [2022-10-15 22:46:36,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:36,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:36,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:36,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:36,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:36,592 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:36,627 INFO L93 Difference]: Finished difference Result 92 states and 103 transitions. [2022-10-15 22:46:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:36,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-15 22:46:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:36,630 INFO L225 Difference]: With dead ends: 92 [2022-10-15 22:46:36,630 INFO L226 Difference]: Without dead ends: 55 [2022-10-15 22:46:36,631 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 [2022-10-15 22:46:36,632 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:36,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 108 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:36,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-10-15 22:46:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-10-15 22:46:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 54 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2022-10-15 22:46:36,641 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 12 [2022-10-15 22:46:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:36,642 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2022-10-15 22:46:36,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2022-10-15 22:46:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-15 22:46:36,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:36,643 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:36,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:46:36,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash -186470036, now seen corresponding path program 1 times [2022-10-15 22:46:36,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:36,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553961] [2022-10-15 22:46:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:36,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:36,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:36,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553961] [2022-10-15 22:46:36,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553961] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:36,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036838082] [2022-10-15 22:46:36,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:36,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:36,770 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) [2022-10-15 22:46:36,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 22:46:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:36,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 22:46:36,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:36,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:46:36,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036838082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:36,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:46:36,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-15 22:46:36,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392525428] [2022-10-15 22:46:36,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:36,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:46:36,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:36,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:46:36,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:46:36,866 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:36,907 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2022-10-15 22:46:36,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:46:36,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-15 22:46:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:36,908 INFO L225 Difference]: With dead ends: 55 [2022-10-15 22:46:36,908 INFO L226 Difference]: Without dead ends: 54 [2022-10-15 22:46:36,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:46:36,910 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 40 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:36,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 75 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:36,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-15 22:46:36,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-10-15 22:46:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 53 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) [2022-10-15 22:46:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2022-10-15 22:46:36,919 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 12 [2022-10-15 22:46:36,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:36,919 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2022-10-15 22:46:36,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2022-10-15 22:46:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-15 22:46:36,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:36,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:36,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:37,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:37,136 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:37,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash -186521479, now seen corresponding path program 1 times [2022-10-15 22:46:37,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:37,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586022534] [2022-10-15 22:46:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:37,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:37,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586022534] [2022-10-15 22:46:37,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586022534] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:37,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348120655] [2022-10-15 22:46:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:37,229 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) [2022-10-15 22:46:37,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 22:46:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 22:46:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:37,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:46:37,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348120655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:37,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:46:37,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-10-15 22:46:37,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403775235] [2022-10-15 22:46:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:37,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:37,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:37,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:46:37,335 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:37,376 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2022-10-15 22:46:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-15 22:46:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:37,377 INFO L225 Difference]: With dead ends: 83 [2022-10-15 22:46:37,378 INFO L226 Difference]: Without dead ends: 82 [2022-10-15 22:46:37,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:46:37,379 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 91 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:37,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 59 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:37,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-10-15 22:46:37,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 68. [2022-10-15 22:46:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 67 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-10-15 22:46:37,389 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 12 [2022-10-15 22:46:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:37,389 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-10-15 22:46:37,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-10-15 22:46:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-15 22:46:37,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:37,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:37,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:37,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:37,606 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:37,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1487198481, now seen corresponding path program 1 times [2022-10-15 22:46:37,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:37,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333439300] [2022-10-15 22:46:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:37,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:37,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333439300] [2022-10-15 22:46:37,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333439300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:37,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:37,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:46:37,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786518338] [2022-10-15 22:46:37,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:37,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:46:37,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:37,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:46:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:46:37,641 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:37,654 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-10-15 22:46:37,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:46:37,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-10-15 22:46:37,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:37,656 INFO L225 Difference]: With dead ends: 68 [2022-10-15 22:46:37,656 INFO L226 Difference]: Without dead ends: 67 [2022-10-15 22:46:37,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:46:37,657 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:37,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:37,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-15 22:46:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-10-15 22:46:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.509090909090909) internal successors, (83), 66 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2022-10-15 22:46:37,666 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 13 [2022-10-15 22:46:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:37,666 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2022-10-15 22:46:37,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2022-10-15 22:46:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-15 22:46:37,667 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:37,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:37,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:46:37,668 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:37,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:37,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1026371793, now seen corresponding path program 1 times [2022-10-15 22:46:37,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:37,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516233010] [2022-10-15 22:46:37,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:37,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:37,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516233010] [2022-10-15 22:46:37,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516233010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:37,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:37,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:46:37,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060899090] [2022-10-15 22:46:37,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:37,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:46:37,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:46:37,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:46:37,703 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:37,742 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2022-10-15 22:46:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:46:37,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-15 22:46:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:37,744 INFO L225 Difference]: With dead ends: 108 [2022-10-15 22:46:37,744 INFO L226 Difference]: Without dead ends: 102 [2022-10-15 22:46:37,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:46:37,745 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:37,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 54 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:37,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-10-15 22:46:37,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2022-10-15 22:46:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 75 states have (on average 1.44) internal successors, (108), 86 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-10-15 22:46:37,755 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 15 [2022-10-15 22:46:37,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:37,755 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-10-15 22:46:37,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-10-15 22:46:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-15 22:46:37,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:37,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:37,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:46:37,757 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:37,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1752753470, now seen corresponding path program 1 times [2022-10-15 22:46:37,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:37,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874976532] [2022-10-15 22:46:37,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:37,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:37,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874976532] [2022-10-15 22:46:37,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874976532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:37,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:37,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:37,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903560352] [2022-10-15 22:46:37,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:37,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:37,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:37,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:37,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:37,797 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:37,830 INFO L93 Difference]: Finished difference Result 100 states and 113 transitions. [2022-10-15 22:46:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:46:37,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-15 22:46:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:37,831 INFO L225 Difference]: With dead ends: 100 [2022-10-15 22:46:37,831 INFO L226 Difference]: Without dead ends: 99 [2022-10-15 22:46:37,832 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 [2022-10-15 22:46:37,833 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 25 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:37,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 94 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:37,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-15 22:46:37,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 89. [2022-10-15 22:46:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 88 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 110 transitions. [2022-10-15 22:46:37,849 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 110 transitions. Word has length 16 [2022-10-15 22:46:37,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:37,850 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 110 transitions. [2022-10-15 22:46:37,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2022-10-15 22:46:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 22:46:37,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:37,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:37,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:46:37,851 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:37,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:37,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1499217170, now seen corresponding path program 1 times [2022-10-15 22:46:37,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:37,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906639486] [2022-10-15 22:46:37,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:37,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:37,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906639486] [2022-10-15 22:46:37,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906639486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:37,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:37,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:37,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815916703] [2022-10-15 22:46:37,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:37,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:37,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:37,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:37,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:37,903 INFO L87 Difference]: Start difference. First operand 89 states and 110 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) [2022-10-15 22:46:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:37,935 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2022-10-15 22:46:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:37,935 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 [2022-10-15 22:46:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:37,936 INFO L225 Difference]: With dead ends: 99 [2022-10-15 22:46:37,937 INFO L226 Difference]: Without dead ends: 98 [2022-10-15 22:46:37,937 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 [2022-10-15 22:46:37,938 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 22 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:37,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 95 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:37,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-10-15 22:46:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 90. [2022-10-15 22:46:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-10-15 22:46:37,946 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 111 transitions. Word has length 17 [2022-10-15 22:46:37,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:37,946 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-10-15 22:46:37,947 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) [2022-10-15 22:46:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2022-10-15 22:46:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-15 22:46:37,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:37,948 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:37,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:46:37,949 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:37,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:37,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1933654125, now seen corresponding path program 1 times [2022-10-15 22:46:37,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:37,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354440227] [2022-10-15 22:46:37,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:37,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:37,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:37,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354440227] [2022-10-15 22:46:37,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354440227] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:37,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:37,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203903289] [2022-10-15 22:46:37,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:37,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:46:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:46:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:46:37,995 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-10-15 22:46:38,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:38,041 INFO L93 Difference]: Finished difference Result 140 states and 167 transitions. [2022-10-15 22:46:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:46:38,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2022-10-15 22:46:38,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:38,043 INFO L225 Difference]: With dead ends: 140 [2022-10-15 22:46:38,043 INFO L226 Difference]: Without dead ends: 99 [2022-10-15 22:46:38,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:46:38,044 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:38,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 46 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:38,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-15 22:46:38,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 90. [2022-10-15 22:46:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 89 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 109 transitions. [2022-10-15 22:46:38,052 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 109 transitions. Word has length 19 [2022-10-15 22:46:38,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:38,053 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 109 transitions. [2022-10-15 22:46:38,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-10-15 22:46:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2022-10-15 22:46:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-15 22:46:38,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:38,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:38,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:46:38,054 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:38,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1900241088, now seen corresponding path program 1 times [2022-10-15 22:46:38,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:38,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286485099] [2022-10-15 22:46:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:38,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:38,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:38,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286485099] [2022-10-15 22:46:38,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286485099] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:38,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:38,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:38,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092546437] [2022-10-15 22:46:38,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:38,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:38,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:38,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:38,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:38,104 INFO L87 Difference]: Start difference. First operand 90 states and 109 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2022-10-15 22:46:38,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:38,167 INFO L93 Difference]: Finished difference Result 99 states and 119 transitions. [2022-10-15 22:46:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:38,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 [2022-10-15 22:46:38,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:38,169 INFO L225 Difference]: With dead ends: 99 [2022-10-15 22:46:38,169 INFO L226 Difference]: Without dead ends: 97 [2022-10-15 22:46:38,170 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 [2022-10-15 22:46:38,170 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 9 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:38,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 79 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:38,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-10-15 22:46:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2022-10-15 22:46:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2022-10-15 22:46:38,177 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 19 [2022-10-15 22:46:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:38,178 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2022-10-15 22:46:38,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2022-10-15 22:46:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2022-10-15 22:46:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-15 22:46:38,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:38,179 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1] [2022-10-15 22:46:38,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:46:38,180 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash -868473059, now seen corresponding path program 2 times [2022-10-15 22:46:38,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:38,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279586226] [2022-10-15 22:46:38,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:46:38,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:38,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279586226] [2022-10-15 22:46:38,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279586226] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:38,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080774244] [2022-10-15 22:46:38,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 22:46:38,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:38,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:38,325 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) [2022-10-15 22:46:38,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 22:46:38,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 22:46:38,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 22:46:38,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:46:38,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-15 22:46:38,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:46:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-15 22:46:38,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080774244] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:46:38,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:46:38,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-15 22:46:38,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678759809] [2022-10-15 22:46:38,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:46:38,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-15 22:46:38,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:38,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-15 22:46:38,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:46:38,485 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:38,687 INFO L93 Difference]: Finished difference Result 462 states and 559 transitions. [2022-10-15 22:46:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:46:38,687 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-10-15 22:46:38,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:38,690 INFO L225 Difference]: With dead ends: 462 [2022-10-15 22:46:38,690 INFO L226 Difference]: Without dead ends: 461 [2022-10-15 22:46:38,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-15 22:46:38,691 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 615 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:38,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 276 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:46:38,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-10-15 22:46:38,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 81. [2022-10-15 22:46:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2022-10-15 22:46:38,701 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 23 [2022-10-15 22:46:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:38,702 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2022-10-15 22:46:38,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2022-10-15 22:46:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-15 22:46:38,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:38,703 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:38,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-15 22:46:38,917 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,SelfDestructingSolverStorable13 [2022-10-15 22:46:38,918 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:38,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:38,919 INFO L85 PathProgramCache]: Analyzing trace with hash 203882760, now seen corresponding path program 1 times [2022-10-15 22:46:38,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:38,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307046449] [2022-10-15 22:46:38,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:38,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:38,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 22:46:38,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:38,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307046449] [2022-10-15 22:46:38,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307046449] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:38,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021841445] [2022-10-15 22:46:38,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:38,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:38,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:38,979 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) [2022-10-15 22:46:38,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 22:46:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:39,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-15 22:46:39,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 22:46:39,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:46:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 22:46:39,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021841445] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:46:39,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:46:39,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 11 [2022-10-15 22:46:39,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678951476] [2022-10-15 22:46:39,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:46:39,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 22:46:39,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:39,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 22:46:39,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-10-15 22:46:39,144 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 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) [2022-10-15 22:46:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:39,300 INFO L93 Difference]: Finished difference Result 199 states and 248 transitions. [2022-10-15 22:46:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:46:39,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-15 22:46:39,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:39,302 INFO L225 Difference]: With dead ends: 199 [2022-10-15 22:46:39,302 INFO L226 Difference]: Without dead ends: 127 [2022-10-15 22:46:39,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:46:39,304 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:39,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 140 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:46:39,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-10-15 22:46:39,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 103. [2022-10-15 22:46:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.391304347826087) internal successors, (128), 102 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2022-10-15 22:46:39,313 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 24 [2022-10-15 22:46:39,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:39,314 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2022-10-15 22:46:39,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 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) [2022-10-15 22:46:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2022-10-15 22:46:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 22:46:39,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:39,315 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] [2022-10-15 22:46:39,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:39,530 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 [2022-10-15 22:46:39,531 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:39,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:39,532 INFO L85 PathProgramCache]: Analyzing trace with hash -396355323, now seen corresponding path program 1 times [2022-10-15 22:46:39,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:39,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133015053] [2022-10-15 22:46:39,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:39,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 22:46:39,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:39,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133015053] [2022-10-15 22:46:39,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133015053] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:39,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753235989] [2022-10-15 22:46:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:39,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:39,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:39,594 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) [2022-10-15 22:46:39,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 22:46:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:39,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 22:46:39,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 22:46:39,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:46:39,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753235989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:39,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:46:39,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 22:46:39,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761217340] [2022-10-15 22:46:39,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:39,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:46:39,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:39,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:46:39,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:46:39,676 INFO L87 Difference]: Start difference. First operand 103 states and 128 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:39,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:39,711 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2022-10-15 22:46:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:46:39,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 [2022-10-15 22:46:39,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:39,712 INFO L225 Difference]: With dead ends: 103 [2022-10-15 22:46:39,713 INFO L226 Difference]: Without dead ends: 100 [2022-10-15 22:46:39,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:46:39,714 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:39,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 34 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:39,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-10-15 22:46:39,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-10-15 22:46:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 99 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions. [2022-10-15 22:46:39,723 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 29 [2022-10-15 22:46:39,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:39,723 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 118 transitions. [2022-10-15 22:46:39,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2022-10-15 22:46:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 22:46:39,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:39,724 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:39,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:39,938 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 [2022-10-15 22:46:39,939 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:39,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:39,940 INFO L85 PathProgramCache]: Analyzing trace with hash -989650418, now seen corresponding path program 1 times [2022-10-15 22:46:39,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:39,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118923209] [2022-10-15 22:46:39,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:39,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 22:46:40,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:40,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118923209] [2022-10-15 22:46:40,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118923209] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:40,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752910313] [2022-10-15 22:46:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:40,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:40,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:40,094 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) [2022-10-15 22:46:40,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 22:46:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:40,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 22:46:40,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 22:46:40,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:46:40,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752910313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:40,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:46:40,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2022-10-15 22:46:40,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723207927] [2022-10-15 22:46:40,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:40,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:46:40,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:46:40,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:46:40,288 INFO L87 Difference]: Start difference. First operand 100 states and 118 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:40,378 INFO L93 Difference]: Finished difference Result 105 states and 118 transitions. [2022-10-15 22:46:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:46:40,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 32 [2022-10-15 22:46:40,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:40,379 INFO L225 Difference]: With dead ends: 105 [2022-10-15 22:46:40,379 INFO L226 Difference]: Without dead ends: 103 [2022-10-15 22:46:40,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-10-15 22:46:40,380 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 62 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:40,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 96 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-10-15 22:46:40,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2022-10-15 22:46:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 96 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2022-10-15 22:46:40,392 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 32 [2022-10-15 22:46:40,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:40,392 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2022-10-15 22:46:40,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2022-10-15 22:46:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 22:46:40,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:40,394 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:40,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:40,610 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 [2022-10-15 22:46:40,611 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:40,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:40,612 INFO L85 PathProgramCache]: Analyzing trace with hash -956237381, now seen corresponding path program 1 times [2022-10-15 22:46:40,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:40,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77373162] [2022-10-15 22:46:40,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:40,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 22:46:40,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:40,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77373162] [2022-10-15 22:46:40,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77373162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:40,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:40,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:40,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975844084] [2022-10-15 22:46:40,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:40,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:40,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:40,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:40,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:40,673 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:40,720 INFO L93 Difference]: Finished difference Result 97 states and 113 transitions. [2022-10-15 22:46:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 32 [2022-10-15 22:46:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:40,721 INFO L225 Difference]: With dead ends: 97 [2022-10-15 22:46:40,721 INFO L226 Difference]: Without dead ends: 94 [2022-10-15 22:46:40,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:46:40,722 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:40,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 54 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:40,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-10-15 22:46:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2022-10-15 22:46:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 83 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2022-10-15 22:46:40,732 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 32 [2022-10-15 22:46:40,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:40,732 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2022-10-15 22:46:40,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2022-10-15 22:46:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 22:46:40,733 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:40,733 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:40,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:46:40,733 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:40,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:40,734 INFO L85 PathProgramCache]: Analyzing trace with hash 421412361, now seen corresponding path program 1 times [2022-10-15 22:46:40,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:40,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098434458] [2022-10-15 22:46:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-15 22:46:40,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:40,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098434458] [2022-10-15 22:46:40,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098434458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:40,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:46:40,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:46:40,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935688813] [2022-10-15 22:46:40,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:40,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:40,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:40,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:40,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:46:40,778 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:40,807 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2022-10-15 22:46:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:46:40,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-10-15 22:46:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:40,808 INFO L225 Difference]: With dead ends: 84 [2022-10-15 22:46:40,808 INFO L226 Difference]: Without dead ends: 83 [2022-10-15 22:46:40,809 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 [2022-10-15 22:46:40,809 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:40,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 46 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:40,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-10-15 22:46:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-10-15 22:46:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 81 states have (on average 1.1481481481481481) internal successors, (93), 82 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2022-10-15 22:46:40,818 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 33 [2022-10-15 22:46:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:40,819 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2022-10-15 22:46:40,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2022-10-15 22:46:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:46:40,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:40,819 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:40,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:46:40,820 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:40,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:40,820 INFO L85 PathProgramCache]: Analyzing trace with hash -999359635, now seen corresponding path program 2 times [2022-10-15 22:46:40,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:40,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090579386] [2022-10-15 22:46:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:40,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 22:46:40,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:40,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090579386] [2022-10-15 22:46:40,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090579386] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:40,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590354279] [2022-10-15 22:46:40,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 22:46:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:40,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:40,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:46:40,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-15 22:46:41,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 22:46:41,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 22:46:41,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 22:46:41,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-15 22:46:41,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:46:41,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590354279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:46:41,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:46:41,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2022-10-15 22:46:41,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46747341] [2022-10-15 22:46:41,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:46:41,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:46:41,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:41,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:46:41,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:46:41,051 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:41,086 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2022-10-15 22:46:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:46:41,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-15 22:46:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:41,087 INFO L225 Difference]: With dead ends: 83 [2022-10-15 22:46:41,087 INFO L226 Difference]: Without dead ends: 82 [2022-10-15 22:46:41,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:46:41,089 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:41,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 39 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:46:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-10-15 22:46:41,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 54. [2022-10-15 22:46:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2022-10-15 22:46:41,104 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 37 [2022-10-15 22:46:41,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:41,104 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2022-10-15 22:46:41,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-10-15 22:46:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:46:41,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:41,106 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:41,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:41,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:41,321 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:41,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2117262450, now seen corresponding path program 1 times [2022-10-15 22:46:41,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:41,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689974392] [2022-10-15 22:46:41,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:41,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 22:46:41,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:41,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689974392] [2022-10-15 22:46:41,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689974392] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:41,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501486882] [2022-10-15 22:46:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:41,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:41,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:41,494 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:46:41,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-15 22:46:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:41,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-15 22:46:41,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 22:46:41,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:46:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 22:46:41,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501486882] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:46:41,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:46:41,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 18 [2022-10-15 22:46:41,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838252664] [2022-10-15 22:46:41,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:46:41,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-15 22:46:41,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:41,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-15 22:46:41,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2022-10-15 22:46:41,787 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:41,970 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions. [2022-10-15 22:46:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:46:41,970 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-15 22:46:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:41,971 INFO L225 Difference]: With dead ends: 104 [2022-10-15 22:46:41,971 INFO L226 Difference]: Without dead ends: 61 [2022-10-15 22:46:41,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 76 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2022-10-15 22:46:41,972 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 57 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:41,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 243 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:46:41,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-10-15 22:46:41,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2022-10-15 22:46:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2022-10-15 22:46:41,980 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 45 [2022-10-15 22:46:41,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:41,981 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2022-10-15 22:46:41,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2022-10-15 22:46:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:46:41,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:46:41,982 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:42,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:42,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-15 22:46:42,197 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 22:46:42,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:46:42,198 INFO L85 PathProgramCache]: Analyzing trace with hash 218242862, now seen corresponding path program 2 times [2022-10-15 22:46:42,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:46:42,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041538108] [2022-10-15 22:46:42,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:46:42,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:46:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:46:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 22:46:42,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:46:42,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041538108] [2022-10-15 22:46:42,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041538108] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:46:42,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830164150] [2022-10-15 22:46:42,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 22:46:42,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:46:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:46:42,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:46:42,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-15 22:46:42,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 22:46:42,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 22:46:42,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:46:42,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:46:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 22:46:42,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:46:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 22:46:42,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830164150] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:46:42,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:46:42,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2022-10-15 22:46:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111877035] [2022-10-15 22:46:42,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:46:42,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-15 22:46:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:46:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-15 22:46:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-10-15 22:46:42,713 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:46:43,124 INFO L93 Difference]: Finished difference Result 94 states and 104 transitions. [2022-10-15 22:46:43,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-15 22:46:43,128 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-15 22:46:43,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:46:43,128 INFO L225 Difference]: With dead ends: 94 [2022-10-15 22:46:43,128 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 22:46:43,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 92 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=727, Unknown=0, NotChecked=0, Total=930 [2022-10-15 22:46:43,130 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 259 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:46:43,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 36 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:46:43,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 22:46:43,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 22:46:43,131 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) [2022-10-15 22:46:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 22:46:43,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-10-15 22:46:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:46:43,132 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 22:46:43,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:46:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 22:46:43,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 22:46:43,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-15 22:46:43,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-15 22:46:43,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-15 22:46:43,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-15 22:46:43,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-15 22:46:43,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-15 22:46:43,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-15 22:46:43,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-15 22:46:43,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-15 22:46:43,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-15 22:46:43,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-15 22:46:43,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-15 22:46:43,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-15 22:46:43,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-15 22:46:43,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-15 22:46:43,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-15 22:46:43,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-15 22:46:44,441 INFO L899 garLoopResultBuilder]: For program point L551-6(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,442 INFO L895 garLoopResultBuilder]: At program point L551-7(lines 551 554) the Hoare annotation is: (let ((.cse5 (<= 1 |ULTIMATE.start_main_~i~1#1|)) (.cse7 (= |ULTIMATE.start_sort_~pass~0#1| 1)) (.cse8 (<= 1 |ULTIMATE.start_main_~array_size~0#1|)) (.cse0 (<= 0 (+ |ULTIMATE.start_sort_~i~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~array_size~0#1| 2147483647)) (.cse2 (<= 2 |ULTIMATE.start_main_~i~1#1|)) (.cse3 (<= 3 |ULTIMATE.start_main_~array_size~0#1|)) (.cse4 (<= (+ |ULTIMATE.start_sort_~pass~0#1| 1) |ULTIMATE.start_sort_~n#1|)) (.cse6 (<= |ULTIMATE.start_sort_~n#1| 2147483647))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 3 |ULTIMATE.start_sort_~n#1|) .cse5 .cse6 .cse7 .cse8) (and (<= |ULTIMATE.start_main_~array_size~0#1| 2) .cse0 (<= |ULTIMATE.start_main_~i~1#1| 2) .cse1 (<= |ULTIMATE.start_sort_~n#1| 2) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_sort_~pass~0#1|) .cse4 .cse6))) [2022-10-15 22:46:44,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,445 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point L552-1(line 552) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point L552-2(lines 552 554) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 562) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-15 22:46:44,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point L553-1(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point L553-2(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,447 INFO L899 garLoopResultBuilder]: For program point L553-3(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 562) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point L562-2(lines 562 565) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point L562-3(line 562) no Hoare annotation was computed. [2022-10-15 22:46:44,448 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 560) no Hoare annotation was computed. [2022-10-15 22:46:44,449 INFO L899 garLoopResultBuilder]: For program point L562-4(line 562) no Hoare annotation was computed. [2022-10-15 22:46:44,451 INFO L895 garLoopResultBuilder]: At program point L562-5(lines 562 565) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~array_size~0#1| 2147483647)) (.cse2 (<= 1 |ULTIMATE.start_main_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_main_~array_size~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~i~1#1| 0) .cse1) (and (<= |ULTIMATE.start_main_~i~1#1| 2) .cse0 .cse2 .cse1) (and .cse0 (<= 3 |ULTIMATE.start_main_~array_size~0#1|) .cse2 .cse1))) [2022-10-15 22:46:44,451 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 560) no Hoare annotation was computed. [2022-10-15 22:46:44,451 INFO L899 garLoopResultBuilder]: For program point L562-6(lines 562 565) no Hoare annotation was computed. [2022-10-15 22:46:44,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,453 INFO L899 garLoopResultBuilder]: For program point L550-2(lines 550 554) no Hoare annotation was computed. [2022-10-15 22:46:44,453 INFO L899 garLoopResultBuilder]: For program point L550-3(line 550) no Hoare annotation was computed. [2022-10-15 22:46:44,453 INFO L899 garLoopResultBuilder]: For program point L550-4(line 550) no Hoare annotation was computed. [2022-10-15 22:46:44,453 INFO L895 garLoopResultBuilder]: At program point L550-5(lines 550 554) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~array_size~0#1| 2)) (.cse2 (<= |ULTIMATE.start_main_~i~1#1| 2)) (.cse4 (<= |ULTIMATE.start_sort_~n#1| 2)) (.cse1 (<= 0 (+ |ULTIMATE.start_sort_~i~0#1| 2147483648))) (.cse3 (<= 2 |ULTIMATE.start_sort_~pass~0#1|)) (.cse8 (<= |ULTIMATE.start_main_~array_size~0#1| 2147483647)) (.cse10 (<= 2 |ULTIMATE.start_main_~i~1#1|)) (.cse11 (<= 3 |ULTIMATE.start_main_~array_size~0#1|)) (.cse5 (<= 1 |ULTIMATE.start_main_~i~1#1|)) (.cse9 (<= |ULTIMATE.start_sort_~n#1| 2147483647)) (.cse7 (= |ULTIMATE.start_sort_~pass~0#1| 1)) (.cse6 (<= 1 |ULTIMATE.start_main_~array_size~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= |ULTIMATE.start_sort_~n#1| 1) (<= |ULTIMATE.start_main_~array_size~0#1| 1) .cse7 .cse6) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse9 .cse7 .cse6) (and .cse1 .cse8 .cse10 .cse11 .cse3 .cse9) (and .cse8 .cse10 .cse11 (<= 3 |ULTIMATE.start_sort_~n#1|) .cse5 .cse9 .cse7 .cse6))) [2022-10-15 22:46:44,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,453 INFO L902 garLoopResultBuilder]: At program point L567(lines 556 568) the Hoare annotation is: true [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 553) no Hoare annotation was computed. [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point L551-1(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point L551-2(lines 551 554) no Hoare annotation was computed. [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point L551-4(lines 551 554) no Hoare annotation was computed. [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed. [2022-10-15 22:46:44,454 INFO L899 garLoopResultBuilder]: For program point L551-5(line 551) no Hoare annotation was computed. [2022-10-15 22:46:44,460 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:46:44,464 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 22:46:44,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:46:44 BoogieIcfgContainer [2022-10-15 22:46:44,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 22:46:44,504 INFO L158 Benchmark]: Toolchain (without parser) took 11781.53ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 124.8MB in the beginning and 101.2MB in the end (delta: 23.6MB). Peak memory consumption was 136.2MB. Max. memory is 8.0GB. [2022-10-15 22:46:44,504 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 22:46:44,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.22ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 109.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-10-15 22:46:44,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.45ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 107.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 22:46:44,505 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 106.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 22:46:44,507 INFO L158 Benchmark]: RCFGBuilder took 636.64ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 132.4MB in the end (delta: -26.5MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2022-10-15 22:46:44,507 INFO L158 Benchmark]: TraceAbstraction took 10459.80ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 131.4MB in the beginning and 101.2MB in the end (delta: 30.1MB). Peak memory consumption was 141.8MB. Max. memory is 8.0GB. [2022-10-15 22:46:44,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 572.22ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 109.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.45ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 107.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 106.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 636.64ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 132.4MB in the end (delta: -26.5MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * TraceAbstraction took 10459.80ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 131.4MB in the beginning and 101.2MB in the end (delta: 30.1MB). Peak memory consumption was 141.8MB. Max. memory is 8.0GB. * 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: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: 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, 44 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 22, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1677 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1677 mSDsluCounter, 2207 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1563 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1237 IncrementalHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 644 mSDtfsCounter, 1237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 395 SyntacticMatches, 16 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=15, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 662 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 25 NumberOfFragments, 244 HoareAnnotationTreeSize, 4 FomulaSimplifications, 9187 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3044 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 761 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 2453 SizeOfPredicates, 38 NumberOfNonLiveVariables, 779 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 38 InterpolantComputations, 17 PerfectInterpolantSequences, 332/503 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 14 specifications checked. All of them hold - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((((((((0 <= i + 2147483648 && array_size <= 2147483647) && 2 <= i) && 3 <= array_size) && pass + 1 <= n) && 3 <= n) && 1 <= i) && n <= 2147483647) && pass == 1) && 1 <= array_size) || (((((((((array_size <= 2 && 0 <= i + 2147483648) && i <= 2) && array_size <= 2147483647) && n <= 2) && pass + 1 <= n) && 1 <= i) && n <= 2147483647) && pass == 1) && 1 <= array_size)) || ((((((0 <= i + 2147483648 && array_size <= 2147483647) && 2 <= i) && 3 <= array_size) && 2 <= pass) && pass + 1 <= n) && n <= 2147483647) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((array_size <= 2 && 0 <= i + 2147483648) && i <= 2) && 2 <= pass) && n <= 2) && 1 <= i) && 1 <= array_size) || (((n <= 1 && array_size <= 1) && pass == 1) && 1 <= array_size)) || (((((((array_size <= 2 && i <= 2) && array_size <= 2147483647) && n <= 2) && 1 <= i) && n <= 2147483647) && pass == 1) && 1 <= array_size)) || (((((0 <= i + 2147483648 && array_size <= 2147483647) && 2 <= i) && 3 <= array_size) && 2 <= pass) && n <= 2147483647)) || (((((((array_size <= 2147483647 && 2 <= i) && 3 <= array_size) && 3 <= n) && 1 <= i) && n <= 2147483647) && pass == 1) && 1 <= array_size) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((array_size <= 2147483647 && i == 0) && 1 <= array_size) || (((i <= 2 && array_size <= 2147483647) && 1 <= i) && 1 <= array_size)) || (((array_size <= 2147483647 && 3 <= array_size) && 1 <= i) && 1 <= array_size) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-15 22:46:44,566 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...