/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/array-multidimensional/init-non-constant-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:13:14,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:13:14,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:13:14,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:13:14,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:13:15,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:13:15,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:13:15,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:13:15,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:13:15,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:13:15,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:13:15,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:13:15,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:13:15,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:13:15,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:13:15,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:13:15,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:13:15,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:13:15,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:13:15,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:13:15,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:13:15,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:13:15,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:13:15,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:13:15,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:13:15,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:13:15,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:13:15,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:13:15,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:13:15,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:13:15,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:13:15,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:13:15,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:13:15,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:13:15,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:13:15,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:13:15,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:13:15,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:13:15,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:13:15,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:13:15,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:13:15,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:13:15,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:13:15,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:13:15,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:13:15,147 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:13:15,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:13:15,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:13:15,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:13:15,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:13:15,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:13:15,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:13:15,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:13:15,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:13:15,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:13:15,150 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:13:15,150 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:13:15,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:13:15,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:13:15,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:13:15,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:13:15,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:13:15,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:13:15,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:13:15,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:13:15,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:13:15,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:13:15,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:13:15,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:13:15,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:13:15,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:13:15,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:13:15,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:13:15,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:13:15,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:13:15,584 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:13:15,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2022-10-16 11:13:15,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fb9ae15/285237ef567049298c9e6572688a23cc/FLAGcccf4c56c [2022-10-16 11:13:16,323 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:13:16,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2022-10-16 11:13:16,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fb9ae15/285237ef567049298c9e6572688a23cc/FLAGcccf4c56c [2022-10-16 11:13:16,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fb9ae15/285237ef567049298c9e6572688a23cc [2022-10-16 11:13:16,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:13:16,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:13:16,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:13:16,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:13:16,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:13:16,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:16,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42e310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16, skipping insertion in model container [2022-10-16 11:13:16,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:16,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:13:16,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:13:16,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2022-10-16 11:13:16,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:13:16,908 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:13:16,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2022-10-16 11:13:16,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:13:16,952 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:13:16,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16 WrapperNode [2022-10-16 11:13:16,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:13:16,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:13:16,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:13:16,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:13:16,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:16,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,004 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-10-16 11:13:17,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:13:17,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:13:17,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:13:17,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:13:17,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:13:17,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:13:17,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:13:17,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:13:17,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (1/1) ... [2022-10-16 11:13:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:13:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:17,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 11:13:17,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 11:13:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:13:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:13:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:13:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:13:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:13:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:13:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:13:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:13:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:13:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:13:17,296 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:13:17,299 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:13:17,630 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:13:17,651 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:13:17,652 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 11:13:17,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:13:17 BoogieIcfgContainer [2022-10-16 11:13:17,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:13:17,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:13:17,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:13:17,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:13:17,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:13:16" (1/3) ... [2022-10-16 11:13:17,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e63e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:13:17, skipping insertion in model container [2022-10-16 11:13:17,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:13:16" (2/3) ... [2022-10-16 11:13:17,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e63e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:13:17, skipping insertion in model container [2022-10-16 11:13:17,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:13:17" (3/3) ... [2022-10-16 11:13:17,685 INFO L112 eAbstractionObserver]: Analyzing ICFG init-non-constant-2-n-u.c [2022-10-16 11:13:17,730 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:13:17,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 11:13:17,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:13:17,817 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;@b30a2b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:13:17,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 11:13:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 41 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:13:17,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:17,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:17,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:17,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash 134155656, now seen corresponding path program 1 times [2022-10-16 11:13:17,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:17,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948630836] [2022-10-16 11:13:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:17,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:18,115 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:18,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292495835] [2022-10-16 11:13:18,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:18,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:18,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:18,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:13:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:18,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-16 11:13:18,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:18,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:13:18,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:18,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948630836] [2022-10-16 11:13:18,274 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:18,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292495835] [2022-10-16 11:13:18,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292495835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:13:18,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:13:18,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:13:18,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429851403] [2022-10-16 11:13:18,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:13:18,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 11:13:18,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 11:13:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 11:13:18,325 INFO L87 Difference]: Start difference. First operand has 44 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 41 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:18,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:18,354 INFO L93 Difference]: Finished difference Result 85 states and 106 transitions. [2022-10-16 11:13:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 11:13:18,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-10-16 11:13:18,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:18,368 INFO L225 Difference]: With dead ends: 85 [2022-10-16 11:13:18,368 INFO L226 Difference]: Without dead ends: 39 [2022-10-16 11:13:18,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 11:13:18,377 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:18,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:13:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-16 11:13:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-10-16 11:13:18,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.625) internal successors, (39), 36 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-10-16 11:13:18,429 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 15 [2022-10-16 11:13:18,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:18,431 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-10-16 11:13:18,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-10-16 11:13:18,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:13:18,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:18,434 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:18,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:18,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-16 11:13:18,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:18,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:18,652 INFO L85 PathProgramCache]: Analyzing trace with hash 134155284, now seen corresponding path program 1 times [2022-10-16 11:13:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:18,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632265596] [2022-10-16 11:13:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:18,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:18,681 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:18,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740304146] [2022-10-16 11:13:18,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:18,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:18,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:18,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:18,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 11:13:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:18,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 11:13:18,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:18,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:13:18,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:18,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632265596] [2022-10-16 11:13:18,832 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:18,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740304146] [2022-10-16 11:13:18,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740304146] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:13:18,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:13:18,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:13:18,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869396737] [2022-10-16 11:13:18,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:13:18,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:13:18,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:18,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:13:18,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:13:18,836 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:18,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:18,902 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2022-10-16 11:13:18,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:13:18,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-10-16 11:13:18,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:18,905 INFO L225 Difference]: With dead ends: 68 [2022-10-16 11:13:18,905 INFO L226 Difference]: Without dead ends: 66 [2022-10-16 11:13:18,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:13:18,908 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 27 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:18,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 44 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:13:18,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-10-16 11:13:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2022-10-16 11:13:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.65) internal successors, (66), 51 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2022-10-16 11:13:18,921 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 15 [2022-10-16 11:13:18,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:18,921 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2022-10-16 11:13:18,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-10-16 11:13:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:13:18,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:18,923 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:18,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:19,136 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,SelfDestructingSolverStorable1 [2022-10-16 11:13:19,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 134155335, now seen corresponding path program 1 times [2022-10-16 11:13:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:19,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2398185] [2022-10-16 11:13:19,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:19,155 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:19,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902510198] [2022-10-16 11:13:19,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:19,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:19,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:19,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:19,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 11:13:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:19,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:13:19,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:19,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:13:19,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:19,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2398185] [2022-10-16 11:13:19,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902510198] [2022-10-16 11:13:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902510198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:13:19,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:13:19,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:13:19,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301788853] [2022-10-16 11:13:19,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:13:19,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:13:19,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:19,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:13:19,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:13:19,255 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:19,372 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2022-10-16 11:13:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:13:19,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-10-16 11:13:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:19,374 INFO L225 Difference]: With dead ends: 90 [2022-10-16 11:13:19,375 INFO L226 Difference]: Without dead ends: 86 [2022-10-16 11:13:19,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:13:19,377 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 65 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:19,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 41 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:13:19,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-10-16 11:13:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 65. [2022-10-16 11:13:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.6) internal successors, (80), 61 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2022-10-16 11:13:19,391 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 15 [2022-10-16 11:13:19,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:19,392 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2022-10-16 11:13:19,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-10-16 11:13:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:13:19,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:19,393 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:19,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:19,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:19,608 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:19,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:19,609 INFO L85 PathProgramCache]: Analyzing trace with hash -136153425, now seen corresponding path program 1 times [2022-10-16 11:13:19,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:19,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135862812] [2022-10-16 11:13:19,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:19,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:19,625 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:19,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565540658] [2022-10-16 11:13:19,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:19,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:19,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:19,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:19,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 11:13:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:19,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 11:13:19,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:19,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:13:19,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:19,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135862812] [2022-10-16 11:13:19,708 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:19,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565540658] [2022-10-16 11:13:19,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565540658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:13:19,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:13:19,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:13:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524591096] [2022-10-16 11:13:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:13:19,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:13:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:13:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:13:19,711 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:19,750 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2022-10-16 11:13:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:13:19,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-10-16 11:13:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:19,752 INFO L225 Difference]: With dead ends: 65 [2022-10-16 11:13:19,752 INFO L226 Difference]: Without dead ends: 63 [2022-10-16 11:13:19,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:13:19,754 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 26 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:19,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 29 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:13:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-10-16 11:13:19,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-10-16 11:13:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.56) internal successors, (78), 59 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2022-10-16 11:13:19,768 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 16 [2022-10-16 11:13:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:19,769 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2022-10-16 11:13:19,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-10-16 11:13:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:13:19,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:19,771 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:19,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:19,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:19,985 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash -136151855, now seen corresponding path program 1 times [2022-10-16 11:13:19,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:19,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102134156] [2022-10-16 11:13:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:20,005 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:20,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423964589] [2022-10-16 11:13:20,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:20,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:20,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:20,010 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:20,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 11:13:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:20,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:13:20,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:20,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:13:20,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:20,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102134156] [2022-10-16 11:13:20,104 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:20,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423964589] [2022-10-16 11:13:20,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423964589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:13:20,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:13:20,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:13:20,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835980280] [2022-10-16 11:13:20,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:13:20,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:13:20,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:20,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:13:20,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:13:20,110 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:20,186 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2022-10-16 11:13:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:13:20,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-10-16 11:13:20,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:20,188 INFO L225 Difference]: With dead ends: 63 [2022-10-16 11:13:20,188 INFO L226 Difference]: Without dead ends: 59 [2022-10-16 11:13:20,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:13:20,192 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:20,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 24 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:13:20,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-10-16 11:13:20,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-10-16 11:13:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 50 states have (on average 1.36) internal successors, (68), 55 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2022-10-16 11:13:20,214 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 16 [2022-10-16 11:13:20,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:20,214 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2022-10-16 11:13:20,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2022-10-16 11:13:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 11:13:20,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:20,217 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:20,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:20,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:20,433 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:20,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:20,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1697513813, now seen corresponding path program 1 times [2022-10-16 11:13:20,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:20,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564162130] [2022-10-16 11:13:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:20,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:20,451 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:20,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1351693476] [2022-10-16 11:13:20,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:20,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:20,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:20,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:20,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 11:13:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:20,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:13:20,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:20,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:20,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:20,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564162130] [2022-10-16 11:13:20,631 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:20,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351693476] [2022-10-16 11:13:20,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351693476] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:20,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:20,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-10-16 11:13:20,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537975019] [2022-10-16 11:13:20,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:20,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:13:20,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:20,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:13:20,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:13:20,638 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:20,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:20,820 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2022-10-16 11:13:20,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:13:20,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 19 [2022-10-16 11:13:20,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:20,826 INFO L225 Difference]: With dead ends: 135 [2022-10-16 11:13:20,829 INFO L226 Difference]: Without dead ends: 133 [2022-10-16 11:13:20,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:13:20,831 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 194 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:20,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 75 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:13:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-10-16 11:13:20,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 113. [2022-10-16 11:13:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 104 states have (on average 1.375) internal successors, (143), 109 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 147 transitions. [2022-10-16 11:13:20,857 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 147 transitions. Word has length 19 [2022-10-16 11:13:20,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:20,858 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 147 transitions. [2022-10-16 11:13:20,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2022-10-16 11:13:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 11:13:20,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:20,860 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:20,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 11:13:21,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:21,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:21,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1697513762, now seen corresponding path program 1 times [2022-10-16 11:13:21,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:21,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758358686] [2022-10-16 11:13:21,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:21,083 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:21,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [473594675] [2022-10-16 11:13:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:21,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:21,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:21,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:21,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 11:13:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:21,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:13:21,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:21,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:21,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:21,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758358686] [2022-10-16 11:13:21,202 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:21,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473594675] [2022-10-16 11:13:21,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473594675] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:21,203 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:21,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-10-16 11:13:21,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548878154] [2022-10-16 11:13:21,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:21,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:13:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:21,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:13:21,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:13:21,206 INFO L87 Difference]: Start difference. First operand 113 states and 147 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:21,354 INFO L93 Difference]: Finished difference Result 323 states and 422 transitions. [2022-10-16 11:13:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:13:21,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-10-16 11:13:21,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:21,362 INFO L225 Difference]: With dead ends: 323 [2022-10-16 11:13:21,362 INFO L226 Difference]: Without dead ends: 231 [2022-10-16 11:13:21,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:13:21,370 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 58 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:21,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 94 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:13:21,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-16 11:13:21,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 190. [2022-10-16 11:13:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 186 states have internal predecessors, (242), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 246 transitions. [2022-10-16 11:13:21,444 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 246 transitions. Word has length 19 [2022-10-16 11:13:21,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:21,444 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 246 transitions. [2022-10-16 11:13:21,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 246 transitions. [2022-10-16 11:13:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 11:13:21,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:21,446 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:21,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:21,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:21,650 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:21,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:21,652 INFO L85 PathProgramCache]: Analyzing trace with hash 367063445, now seen corresponding path program 1 times [2022-10-16 11:13:21,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:21,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720242564] [2022-10-16 11:13:21,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:21,665 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:21,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527670533] [2022-10-16 11:13:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:21,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:21,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:21,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 11:13:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:21,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:13:21,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:21,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:21,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:21,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720242564] [2022-10-16 11:13:21,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:21,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527670533] [2022-10-16 11:13:21,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527670533] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:21,884 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:21,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-10-16 11:13:21,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15590000] [2022-10-16 11:13:21,884 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:21,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 11:13:21,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:21,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 11:13:21,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:13:21,892 INFO L87 Difference]: Start difference. First operand 190 states and 246 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:22,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:22,217 INFO L93 Difference]: Finished difference Result 250 states and 316 transitions. [2022-10-16 11:13:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 11:13:22,218 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2022-10-16 11:13:22,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:22,220 INFO L225 Difference]: With dead ends: 250 [2022-10-16 11:13:22,220 INFO L226 Difference]: Without dead ends: 246 [2022-10-16 11:13:22,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:13:22,222 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 195 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:22,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 51 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:13:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-10-16 11:13:22,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 208. [2022-10-16 11:13:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 199 states have (on average 1.306532663316583) internal successors, (260), 204 states have internal predecessors, (260), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 264 transitions. [2022-10-16 11:13:22,247 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 264 transitions. Word has length 20 [2022-10-16 11:13:22,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:22,247 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 264 transitions. [2022-10-16 11:13:22,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 264 transitions. [2022-10-16 11:13:22,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 11:13:22,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:22,249 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:22,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:22,464 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,SelfDestructingSolverStorable7 [2022-10-16 11:13:22,465 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:22,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:22,466 INFO L85 PathProgramCache]: Analyzing trace with hash -131527095, now seen corresponding path program 1 times [2022-10-16 11:13:22,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:22,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99830213] [2022-10-16 11:13:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:22,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:22,485 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:22,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014641326] [2022-10-16 11:13:22,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:22,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:22,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:22,490 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) [2022-10-16 11:13:22,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 11:13:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:22,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:13:22,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:22,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:13:22,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:22,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99830213] [2022-10-16 11:13:22,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:22,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014641326] [2022-10-16 11:13:22,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014641326] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:22,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:22,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-10-16 11:13:22,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439576214] [2022-10-16 11:13:22,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:22,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 11:13:22,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:22,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 11:13:22,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:13:22,651 INFO L87 Difference]: Start difference. First operand 208 states and 264 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:22,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:22,850 INFO L93 Difference]: Finished difference Result 652 states and 844 transitions. [2022-10-16 11:13:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 11:13:22,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-10-16 11:13:22,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:22,856 INFO L225 Difference]: With dead ends: 652 [2022-10-16 11:13:22,856 INFO L226 Difference]: Without dead ends: 650 [2022-10-16 11:13:22,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:13:22,860 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 162 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:22,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 95 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:13:22,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-10-16 11:13:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 490. [2022-10-16 11:13:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 481 states have (on average 1.3014553014553014) internal successors, (626), 486 states have internal predecessors, (626), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 630 transitions. [2022-10-16 11:13:22,922 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 630 transitions. Word has length 27 [2022-10-16 11:13:22,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:22,922 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 630 transitions. [2022-10-16 11:13:22,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 630 transitions. [2022-10-16 11:13:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 11:13:22,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:22,925 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:22,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-10-16 11:13:23,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:23,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:23,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:23,137 INFO L85 PathProgramCache]: Analyzing trace with hash 143327600, now seen corresponding path program 2 times [2022-10-16 11:13:23,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:23,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400267293] [2022-10-16 11:13:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:23,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:23,150 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:23,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273922766] [2022-10-16 11:13:23,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:13:23,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:23,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:23,152 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) [2022-10-16 11:13:23,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 11:13:23,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:13:23,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:13:23,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:13:23,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:23,233 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-16 11:13:23,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-16 11:13:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:23,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400267293] [2022-10-16 11:13:23,269 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:23,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273922766] [2022-10-16 11:13:23,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273922766] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:23,270 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:23,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-10-16 11:13:23,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441405711] [2022-10-16 11:13:23,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:23,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:13:23,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:23,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:13:23,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:13:23,272 INFO L87 Difference]: Start difference. First operand 490 states and 630 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:23,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:23,340 INFO L93 Difference]: Finished difference Result 491 states and 631 transitions. [2022-10-16 11:13:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:13:23,340 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-10-16 11:13:23,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:23,344 INFO L225 Difference]: With dead ends: 491 [2022-10-16 11:13:23,344 INFO L226 Difference]: Without dead ends: 452 [2022-10-16 11:13:23,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:13:23,346 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 45 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:23,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 31 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:13:23,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-10-16 11:13:23,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 207. [2022-10-16 11:13:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.235) internal successors, (247), 203 states have internal predecessors, (247), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2022-10-16 11:13:23,371 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 31 [2022-10-16 11:13:23,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:23,372 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2022-10-16 11:13:23,372 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2022-10-16 11:13:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 11:13:23,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:23,374 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:23,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:23,589 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,SelfDestructingSolverStorable9 [2022-10-16 11:13:23,590 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:23,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:23,591 INFO L85 PathProgramCache]: Analyzing trace with hash -337560089, now seen corresponding path program 1 times [2022-10-16 11:13:23,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:23,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234003591] [2022-10-16 11:13:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:23,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:23,603 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:23,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017194866] [2022-10-16 11:13:23,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:23,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:23,605 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) [2022-10-16 11:13:23,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 11:13:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:23,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:13:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:13:23,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:13:23,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:23,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234003591] [2022-10-16 11:13:23,771 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:23,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017194866] [2022-10-16 11:13:23,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017194866] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:23,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:23,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2022-10-16 11:13:23,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197781909] [2022-10-16 11:13:23,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:23,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 11:13:23,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:23,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 11:13:23,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:13:23,774 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:24,142 INFO L93 Difference]: Finished difference Result 566 states and 709 transitions. [2022-10-16 11:13:24,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 11:13:24,143 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2022-10-16 11:13:24,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:24,147 INFO L225 Difference]: With dead ends: 566 [2022-10-16 11:13:24,147 INFO L226 Difference]: Without dead ends: 564 [2022-10-16 11:13:24,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=180, Unknown=0, NotChecked=0, Total=306 [2022-10-16 11:13:24,148 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 375 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:24,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 54 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:13:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-10-16 11:13:24,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 295. [2022-10-16 11:13:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 288 states have (on average 1.2430555555555556) internal successors, (358), 291 states have internal predecessors, (358), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:24,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 362 transitions. [2022-10-16 11:13:24,183 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 362 transitions. Word has length 33 [2022-10-16 11:13:24,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:24,184 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 362 transitions. [2022-10-16 11:13:24,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 362 transitions. [2022-10-16 11:13:24,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 11:13:24,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:24,186 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:24,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:24,401 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,SelfDestructingSolverStorable10 [2022-10-16 11:13:24,402 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:24,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash -424045652, now seen corresponding path program 2 times [2022-10-16 11:13:24,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:24,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471040342] [2022-10-16 11:13:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:24,415 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:24,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551272292] [2022-10-16 11:13:24,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:13:24,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:24,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:24,417 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:24,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 11:13:24,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 11:13:24,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:13:24,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 11:13:24,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 11:13:24,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 11:13:24,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:24,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471040342] [2022-10-16 11:13:24,690 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:24,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551272292] [2022-10-16 11:13:24,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551272292] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:24,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:24,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2022-10-16 11:13:24,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300718784] [2022-10-16 11:13:24,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:24,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 11:13:24,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:24,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 11:13:24,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-10-16 11:13:24,692 INFO L87 Difference]: Start difference. First operand 295 states and 362 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:25,397 INFO L93 Difference]: Finished difference Result 816 states and 998 transitions. [2022-10-16 11:13:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 11:13:25,398 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2022-10-16 11:13:25,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:25,403 INFO L225 Difference]: With dead ends: 816 [2022-10-16 11:13:25,403 INFO L226 Difference]: Without dead ends: 559 [2022-10-16 11:13:25,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=362, Invalid=828, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 11:13:25,408 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 422 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:25,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 67 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 11:13:25,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-10-16 11:13:25,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 274. [2022-10-16 11:13:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 267 states have (on average 1.1835205992509363) internal successors, (316), 270 states have internal predecessors, (316), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 320 transitions. [2022-10-16 11:13:25,453 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 320 transitions. Word has length 34 [2022-10-16 11:13:25,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:25,453 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 320 transitions. [2022-10-16 11:13:25,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 320 transitions. [2022-10-16 11:13:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 11:13:25,454 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:25,455 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:25,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:25,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 11:13:25,686 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:25,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1312474388, now seen corresponding path program 3 times [2022-10-16 11:13:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:25,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422023797] [2022-10-16 11:13:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:25,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:25,700 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:25,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352017565] [2022-10-16 11:13:25,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 11:13:25,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:25,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:25,702 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:25,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 11:13:25,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 11:13:25,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:13:25,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:13:25,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 11:13:25,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 11:13:25,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:25,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422023797] [2022-10-16 11:13:25,968 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:25,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352017565] [2022-10-16 11:13:25,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352017565] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:25,969 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:25,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-10-16 11:13:25,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967641597] [2022-10-16 11:13:25,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:25,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 11:13:25,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:25,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 11:13:25,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:13:25,971 INFO L87 Difference]: Start difference. First operand 274 states and 320 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:26,207 INFO L93 Difference]: Finished difference Result 571 states and 661 transitions. [2022-10-16 11:13:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 11:13:26,207 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-10-16 11:13:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:26,211 INFO L225 Difference]: With dead ends: 571 [2022-10-16 11:13:26,212 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 11:13:26,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:13:26,213 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 82 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:26,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:13:26,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 11:13:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 373. [2022-10-16 11:13:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 366 states have (on average 1.1530054644808743) internal successors, (422), 369 states have internal predecessors, (422), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2022-10-16 11:13:26,274 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 44 [2022-10-16 11:13:26,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:26,275 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2022-10-16 11:13:26,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2022-10-16 11:13:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 11:13:26,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:26,276 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:26,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:26,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 11:13:26,490 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:26,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:26,491 INFO L85 PathProgramCache]: Analyzing trace with hash -888680217, now seen corresponding path program 4 times [2022-10-16 11:13:26,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:26,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168460179] [2022-10-16 11:13:26,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:26,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:26,505 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:26,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58160892] [2022-10-16 11:13:26,506 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 11:13:26,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:26,507 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:26,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 11:13:26,575 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 11:13:26,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:13:26,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 11:13:26,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 11:13:26,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 11:13:26,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:26,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168460179] [2022-10-16 11:13:26,829 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:26,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58160892] [2022-10-16 11:13:26,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58160892] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:26,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:26,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2022-10-16 11:13:26,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534775982] [2022-10-16 11:13:26,831 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:26,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 11:13:26,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:26,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 11:13:26,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-10-16 11:13:26,833 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:27,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:27,938 INFO L93 Difference]: Finished difference Result 1538 states and 1780 transitions. [2022-10-16 11:13:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 11:13:27,939 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2022-10-16 11:13:27,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:27,947 INFO L225 Difference]: With dead ends: 1538 [2022-10-16 11:13:27,948 INFO L226 Difference]: Without dead ends: 1536 [2022-10-16 11:13:27,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=532, Invalid=874, Unknown=0, NotChecked=0, Total=1406 [2022-10-16 11:13:27,950 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1191 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:27,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 61 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 11:13:27,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2022-10-16 11:13:28,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 722. [2022-10-16 11:13:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 715 states have (on average 1.172027972027972) internal successors, (838), 718 states have internal predecessors, (838), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 842 transitions. [2022-10-16 11:13:28,059 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 842 transitions. Word has length 63 [2022-10-16 11:13:28,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:28,061 INFO L495 AbstractCegarLoop]: Abstraction has 722 states and 842 transitions. [2022-10-16 11:13:28,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 842 transitions. [2022-10-16 11:13:28,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 11:13:28,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:28,065 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:28,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:28,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:28,278 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:28,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:28,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1380788791, now seen corresponding path program 1 times [2022-10-16 11:13:28,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:28,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803340027] [2022-10-16 11:13:28,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:28,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:28,305 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:28,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687626060] [2022-10-16 11:13:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:28,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:28,307 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:28,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 11:13:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:13:28,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:13:28,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 184 proven. 57 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-16 11:13:28,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 159 proven. 82 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-16 11:13:28,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:28,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803340027] [2022-10-16 11:13:28,612 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:28,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687626060] [2022-10-16 11:13:28,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687626060] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:28,612 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:28,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-10-16 11:13:28,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209579605] [2022-10-16 11:13:28,613 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:28,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 11:13:28,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:28,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 11:13:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:13:28,615 INFO L87 Difference]: Start difference. First operand 722 states and 842 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:28,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:28,980 INFO L93 Difference]: Finished difference Result 932 states and 1065 transitions. [2022-10-16 11:13:28,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 11:13:28,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75 [2022-10-16 11:13:28,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:28,985 INFO L225 Difference]: With dead ends: 932 [2022-10-16 11:13:28,985 INFO L226 Difference]: Without dead ends: 718 [2022-10-16 11:13:28,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 134 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-10-16 11:13:28,987 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 87 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:28,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 177 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:13:28,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-10-16 11:13:29,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 684. [2022-10-16 11:13:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 677 states have (on average 1.1432791728212703) internal successors, (774), 680 states have internal predecessors, (774), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 778 transitions. [2022-10-16 11:13:29,078 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 778 transitions. Word has length 75 [2022-10-16 11:13:29,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:29,078 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 778 transitions. [2022-10-16 11:13:29,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 11:13:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 778 transitions. [2022-10-16 11:13:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 11:13:29,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:29,080 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:29,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-10-16 11:13:29,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 11:13:29,296 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:29,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:29,297 INFO L85 PathProgramCache]: Analyzing trace with hash 641176167, now seen corresponding path program 5 times [2022-10-16 11:13:29,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:29,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774662202] [2022-10-16 11:13:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:29,313 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:29,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130662274] [2022-10-16 11:13:29,314 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 11:13:29,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:29,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:29,315 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:29,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 11:13:30,314 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-10-16 11:13:30,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:13:30,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 11:13:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 96 proven. 271 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 11:13:30,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 126 proven. 238 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 11:13:30,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:30,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774662202] [2022-10-16 11:13:30,885 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:30,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130662274] [2022-10-16 11:13:30,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130662274] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:30,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:30,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13] total 28 [2022-10-16 11:13:30,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275431807] [2022-10-16 11:13:30,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:30,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 11:13:30,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:30,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 11:13:30,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2022-10-16 11:13:30,887 INFO L87 Difference]: Start difference. First operand 684 states and 778 transitions. Second operand has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:32,801 INFO L93 Difference]: Finished difference Result 2351 states and 2620 transitions. [2022-10-16 11:13:32,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-16 11:13:32,802 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2022-10-16 11:13:32,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:32,809 INFO L225 Difference]: With dead ends: 2351 [2022-10-16 11:13:32,810 INFO L226 Difference]: Without dead ends: 1594 [2022-10-16 11:13:32,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1654 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1023, Invalid=4233, Unknown=0, NotChecked=0, Total=5256 [2022-10-16 11:13:32,815 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 817 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:32,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 261 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:13:32,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2022-10-16 11:13:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1381. [2022-10-16 11:13:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1374 states have (on average 1.1098981077147017) internal successors, (1525), 1377 states have internal predecessors, (1525), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:13:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1529 transitions. [2022-10-16 11:13:33,023 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1529 transitions. Word has length 83 [2022-10-16 11:13:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:33,024 INFO L495 AbstractCegarLoop]: Abstraction has 1381 states and 1529 transitions. [2022-10-16 11:13:33,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 11:13:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1529 transitions. [2022-10-16 11:13:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 11:13:33,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:13:33,027 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:13:33,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:33,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 11:13:33,234 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 11:13:33,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:13:33,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1974571714, now seen corresponding path program 6 times [2022-10-16 11:13:33,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:13:33,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504344261] [2022-10-16 11:13:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:13:33,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:13:33,253 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:13:33,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508831551] [2022-10-16 11:13:33,254 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 11:13:33,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:13:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:13:33,255 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:13:33,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 11:13:33,317 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-10-16 11:13:33,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:13:33,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 11:13:33,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:13:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-10-16 11:13:33,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:13:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-10-16 11:13:33,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:13:33,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504344261] [2022-10-16 11:13:33,917 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:13:33,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508831551] [2022-10-16 11:13:33,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508831551] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:13:33,918 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:13:33,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-10-16 11:13:33,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235414190] [2022-10-16 11:13:33,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:13:33,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 11:13:33,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:13:33,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 11:13:33,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-10-16 11:13:33,920 INFO L87 Difference]: Start difference. First operand 1381 states and 1529 transitions. Second operand has 15 states, 10 states have (on average 4.2) internal successors, (42), 13 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 11:13:34,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:13:34,293 INFO L93 Difference]: Finished difference Result 1381 states and 1529 transitions. [2022-10-16 11:13:34,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:13:34,294 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 10 states have (on average 4.2) internal successors, (42), 13 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 92 [2022-10-16 11:13:34,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:13:34,294 INFO L225 Difference]: With dead ends: 1381 [2022-10-16 11:13:34,294 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 11:13:34,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2022-10-16 11:13:34,297 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 111 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:13:34,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 46 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:13:34,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 11:13:34,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 11:13:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:13:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 11:13:34,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2022-10-16 11:13:34,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:13:34,299 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 11:13:34,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 10 states have (on average 4.2) internal successors, (42), 13 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 11:13:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 11:13:34,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 11:13:34,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-10-16 11:13:34,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-10-16 11:13:34,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-10-16 11:13:34,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-10-16 11:13:34,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-10-16 11:13:34,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-10-16 11:13:34,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-10-16 11:13:34,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-10-16 11:13:34,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-10-16 11:13:34,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-10-16 11:13:34,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-10-16 11:13:34,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-10-16 11:13:34,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 11:13:34,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 11:13:34,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 11:14:06,874 WARN L233 SmtUtils]: Spent 32.34s on a formula simplification. DAG size of input: 581 DAG size of output: 524 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 11:14:40,187 WARN L233 SmtUtils]: Spent 28.66s on a formula simplification. DAG size of input: 242 DAG size of output: 242 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 11:15:29,320 WARN L233 SmtUtils]: Spent 49.13s on a formula simplification. DAG size of input: 569 DAG size of output: 547 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 11:15:34,619 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 370 DAG size of output: 348 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 11:15:45,348 INFO L895 garLoopResultBuilder]: At program point L31(line 31) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~s~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647) (<= |ULTIMATE.start_main_~j~0#1| 0)) [2022-10-16 11:15:45,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:15:45,348 INFO L895 garLoopResultBuilder]: At program point L31-1(line 31) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~q~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~s~0#1| 2147483647) (<= |ULTIMATE.start_main_~j~0#1| 0)) [2022-10-16 11:15:45,349 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-10-16 11:15:45,349 INFO L895 garLoopResultBuilder]: At program point L48-2(lines 48 51) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 2147483646)) (.cse1 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~s~0#1| 1499) (<= |ULTIMATE.start_main_~q~0#1| 999) .cse0 (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1|) 2147483647) .cse1 .cse2 (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~i~0#1| 998)) (and (< |ULTIMATE.start_main_~j~0#1| 6) (< (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483650) (< (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483649) (< |ULTIMATE.start_main_~s~0#1| 6) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~q~0#1| 2147483647) (< (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~q~0#1|) 2147483650)))) [2022-10-16 11:15:45,349 INFO L899 garLoopResultBuilder]: For program point L48-3(lines 48 51) no Hoare annotation was computed. [2022-10-16 11:15:45,349 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-10-16 11:15:45,349 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-10-16 11:15:45,350 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-10-16 11:15:45,350 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 39) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= |ULTIMATE.start_main_~s~0#1| 2) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) .cse0 .cse1 (<= |ULTIMATE.start_main_~j~0#1| 2) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) (and (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~s~0#1| 1499) (<= |ULTIMATE.start_main_~q~0#1| 999) (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1|) 2147483647) .cse0 .cse1 (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~i~0#1| 998)))) [2022-10-16 11:15:45,350 INFO L899 garLoopResultBuilder]: For program point L36-3(lines 36 39) no Hoare annotation was computed. [2022-10-16 11:15:45,350 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 11:15:45,350 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-10-16 11:15:45,350 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-10-16 11:15:45,351 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-10-16 11:15:45,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-10-16 11:15:45,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 11:15:45,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:15:45,352 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-10-16 11:15:45,352 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-10-16 11:15:45,353 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 53) the Hoare annotation is: (let ((.cse10 (< |ULTIMATE.start_main_~i~0#1| 2147483648)) (.cse2 (not (< |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~s~0#1|))) (.cse7 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse8 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse9 (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) (.cse1 (<= |ULTIMATE.start_main_~j~0#1| 0))) (let ((.cse0 (or (and .cse7 .cse10 .cse8 .cse2 .cse9 (< (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~q~0#1|) 2147483650)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) (< (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483650) .cse7 .cse8 .cse9 .cse1))) (.cse3 (<= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse4 (<= |ULTIMATE.start_main_~s~0#1| 1499)) (.cse5 (<= |ULTIMATE.start_main_~q~0#1| 999)) (.cse6 (<= |ULTIMATE.start_main_~n~0#1| 1500))) (or (and .cse0 (<= |ULTIMATE.start_main_~s~0#1| 2) .cse1) (and (< |ULTIMATE.start_main_~j~0#1| 6) .cse0 .cse2) (and .cse3 .cse4 .cse0 .cse5 .cse6 .cse1) (and (<= |ULTIMATE.start_main_~s~0#1| 0) .cse7 .cse8 .cse9 .cse1) (and .cse3 .cse4 (< (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483649) .cse5 .cse7 .cse10 .cse8 .cse6 .cse2)))) [2022-10-16 11:15:45,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-10-16 11:15:45,353 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 53) no Hoare annotation was computed. [2022-10-16 11:15:45,353 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-10-16 11:15:45,353 INFO L895 garLoopResultBuilder]: At program point L9-2(lines 8 13) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (< (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483650) (< (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483649) (< |ULTIMATE.start_main_~s~0#1| 6) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1|) 2147483647) .cse0 (< |ULTIMATE.start_main_~j~0#1| 5) .cse1 (< (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~q~0#1|) 2147483649) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) (and (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~s~0#1| 1499) (<= |ULTIMATE.start_main_~q~0#1| 999) .cse0 .cse1 (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~i~0#1| 998) (<= |ULTIMATE.start_main_~j~0#1| 1498)))) [2022-10-16 11:15:45,353 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-10-16 11:15:45,354 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-10-16 11:15:45,354 INFO L895 garLoopResultBuilder]: At program point L34-1(lines 32 41) the Hoare annotation is: (let ((.cse5 (<= |ULTIMATE.start_main_~j~0#1| 0)) (.cse0 (<= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (<= |ULTIMATE.start_main_~s~0#1| 1499)) (.cse2 (<= |ULTIMATE.start_main_~q~0#1| 999)) (.cse4 (<= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse3 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse8 (< |ULTIMATE.start_main_~i~0#1| 2147483648)) (.cse6 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse9 (not (< |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~s~0#1|))) (.cse7 (<= |ULTIMATE.start_main_~q~0#1| 2147483647))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 .cse4 .cse5) (and (<= |ULTIMATE.start_main_~s~0#1| 0) .cse3 .cse6 .cse7 .cse5) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~s~0#1|) 2147483649) .cse2 .cse3 .cse8 .cse6 .cse4 .cse9) (and .cse3 .cse8 .cse6 (<= |ULTIMATE.start_main_~j~0#1| 2) .cse9 .cse7))) [2022-10-16 11:15:45,354 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 41) no Hoare annotation was computed. [2022-10-16 11:15:45,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:15:45,354 INFO L902 garLoopResultBuilder]: At program point L55(lines 17 57) the Hoare annotation is: true [2022-10-16 11:15:45,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-10-16 11:15:45,355 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-10-16 11:15:45,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-10-16 11:15:45,355 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-10-16 11:15:45,355 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-10-16 11:15:45,355 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-10-16 11:15:45,355 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-10-16 11:15:45,360 INFO L444 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:15:45,362 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 11:15:45,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:15:45 BoogieIcfgContainer [2022-10-16 11:15:45,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 11:15:45,388 INFO L158 Benchmark]: Toolchain (without parser) took 148720.01ms. Allocated memory was 153.1MB in the beginning and 393.2MB in the end (delta: 240.1MB). Free memory was 127.7MB in the beginning and 212.6MB in the end (delta: -84.9MB). Peak memory consumption was 241.6MB. Max. memory is 8.0GB. [2022-10-16 11:15:45,388 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:15:45,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.22ms. Allocated memory is still 153.1MB. Free memory was 127.6MB in the beginning and 117.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-16 11:15:45,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.64ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 115.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 11:15:45,390 INFO L158 Benchmark]: Boogie Preprocessor took 33.85ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 114.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 11:15:45,390 INFO L158 Benchmark]: RCFGBuilder took 619.79ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 102.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-16 11:15:45,390 INFO L158 Benchmark]: TraceAbstraction took 147721.12ms. Allocated memory was 153.1MB in the beginning and 393.2MB in the end (delta: 240.1MB). Free memory was 101.8MB in the beginning and 212.6MB in the end (delta: -110.8MB). Peak memory consumption was 215.4MB. Max. memory is 8.0GB. [2022-10-16 11:15:45,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.22ms. Allocated memory is still 153.1MB. Free memory was 127.6MB in the beginning and 117.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.64ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 115.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.85ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 114.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 619.79ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 102.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 147721.12ms. Allocated memory was 153.1MB in the beginning and 393.2MB in the end (delta: 240.1MB). Free memory was 101.8MB in the beginning and 212.6MB in the end (delta: -110.8MB). Peak memory consumption was 215.4MB. 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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: 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 2 procedures, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 147.6s, OverallIterations: 17, TraceHistogramMax: 14, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 130.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3892 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3878 mSDsluCounter, 1245 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 855 mSDsCounter, 1353 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3095 IncrementalHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1353 mSolverCounterUnsat, 390 mSDtfsCounter, 3095 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1246 GetRequests, 1006 SyntacticMatches, 7 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2564 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred in iteration=16, InterpolantAutomatonStates: 209, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 2345 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 11 PreInvPairs, 571 NumberOfFragments, 524 HoareAnnotationTreeSize, 11 FomulaSimplifications, 164633 FormulaSimplificationTreeSizeReduction, 120.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1561584 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 617 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1128 ConstructedInterpolants, 0 QuantifiedInterpolants, 4101 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1784 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 29 InterpolantComputations, 5 PerfectInterpolantSequences, 1601/3120 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 12 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((((((((m <= 1000 && s <= 1499) && q <= 999) && i <= 2147483646) && i + j <= 2147483647) && 0 <= j) && 0 <= i) && n <= 1500) && i <= 998) || ((((((((j < 6 && q + s < 2147483650) && i + s < 2147483649) && s < 6) && i <= 2147483646) && 0 <= j) && 0 <= i) && q <= 2147483647) && j + q < 2147483650) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((m <= 1000 && s <= 1499) && i == 0) && q <= 999) && 0 <= j) && n <= 1500) && j <= 0) || ((((s <= 0 && 0 <= j) && 0 <= i) && q <= 2147483647) && j <= 0)) || ((((((((m <= 1000 && s <= 1499) && i + s < 2147483649) && q <= 999) && 0 <= j) && i < 2147483648) && 0 <= i) && n <= 1500) && !(j < s))) || (((((0 <= j && i < 2147483648) && 0 <= i) && j <= 2) && !(j < s)) && q <= 2147483647) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((((0 <= j && i < 2147483648) && 0 <= i) && !(j < s)) && q <= 2147483647) && j + q < 2147483650) || (((((i <= 0 && q + s < 2147483650) && 0 <= j) && 0 <= i) && q <= 2147483647) && j <= 0)) && s <= 2) && j <= 0) || ((j < 6 && ((((((0 <= j && i < 2147483648) && 0 <= i) && !(j < s)) && q <= 2147483647) && j + q < 2147483650) || (((((i <= 0 && q + s < 2147483650) && 0 <= j) && 0 <= i) && q <= 2147483647) && j <= 0))) && !(j < s))) || (((((m <= 1000 && s <= 1499) && ((((((0 <= j && i < 2147483648) && 0 <= i) && !(j < s)) && q <= 2147483647) && j + q < 2147483650) || (((((i <= 0 && q + s < 2147483650) && 0 <= j) && 0 <= i) && q <= 2147483647) && j <= 0))) && q <= 999) && n <= 1500) && j <= 0)) || ((((s <= 0 && 0 <= j) && 0 <= i) && q <= 2147483647) && j <= 0)) || ((((((((m <= 1000 && s <= 1499) && i + s < 2147483649) && q <= 999) && 0 <= j) && i < 2147483648) && 0 <= i) && n <= 1500) && !(j < s)) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: (((((((((q + s < 2147483650 && i + s < 2147483649) && s < 6) && i <= 2147483646) && i + j <= 2147483647) && 0 <= j) && j < 5) && 0 <= i) && j + q < 2147483649) && q <= 2147483647) || (((((((m <= 1000 && s <= 1499) && q <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && i <= 998) && j <= 1498) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((s <= 2 && i <= 2147483646) && 0 <= j) && 0 <= i) && j <= 2) && q <= 2147483647) || (((((((m <= 1000 && s <= 1499) && q <= 999) && i + j <= 2147483647) && 0 <= j) && 0 <= i) && n <= 1500) && i <= 998) RESULT: Ultimate proved your program to be correct! [2022-10-16 11:15:45,456 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...