/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/loops/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 14:21:13,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 14:21:13,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 14:21:13,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 14:21:13,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 14:21:13,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 14:21:13,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 14:21:13,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 14:21:13,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 14:21:13,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 14:21:13,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 14:21:13,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 14:21:13,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 14:21:13,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 14:21:13,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 14:21:13,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 14:21:13,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 14:21:13,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 14:21:13,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 14:21:13,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 14:21:13,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 14:21:13,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 14:21:13,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 14:21:13,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 14:21:13,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 14:21:13,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 14:21:13,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 14:21:13,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 14:21:13,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 14:21:13,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 14:21:13,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 14:21:13,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 14:21:13,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 14:21:13,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 14:21:13,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 14:21:13,948 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 14:21:13,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 14:21:13,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 14:21:13,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 14:21:13,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 14:21:13,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 14:21:13,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 14:21:13,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 14:21:13,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:21:13,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 14:21:13,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 14:21:13,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 14:21:13,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 14:21:13,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 14:21:13,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 14:21:13,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 14:21:13,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 14:21:13,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 14:21:13,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 14:21:13,955 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 14:21:13,956 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 14:21:14,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 14:21:14,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 14:21:14,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 14:21:14,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 14:21:14,179 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 14:21:14,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2022-01-10 14:21:14,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9a3cd40/0113fe5d4d6343b58b8472f7b72ff6b6/FLAG998292ec3 [2022-01-10 14:21:14,634 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 14:21:14,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2022-01-10 14:21:14,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9a3cd40/0113fe5d4d6343b58b8472f7b72ff6b6/FLAG998292ec3 [2022-01-10 14:21:14,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9a3cd40/0113fe5d4d6343b58b8472f7b72ff6b6 [2022-01-10 14:21:14,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 14:21:14,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 14:21:14,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 14:21:14,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 14:21:14,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 14:21:14,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70746df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14, skipping insertion in model container [2022-01-10 14:21:14,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 14:21:14,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 14:21:14,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i[807,820] [2022-01-10 14:21:14,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:21:14,892 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 14:21:14,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i[807,820] [2022-01-10 14:21:14,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:21:14,924 INFO L208 MainTranslator]: Completed translation [2022-01-10 14:21:14,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14 WrapperNode [2022-01-10 14:21:14,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 14:21:14,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 14:21:14,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 14:21:14,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 14:21:14,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,949 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2022-01-10 14:21:14,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 14:21:14,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 14:21:14,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 14:21:14,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 14:21:14,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 14:21:14,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 14:21:14,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 14:21:14,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 14:21:14,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (1/1) ... [2022-01-10 14:21:14,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:21:14,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:21:15,009 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) [2022-01-10 14:21:15,034 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 [2022-01-10 14:21:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 14:21:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 14:21:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 14:21:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 14:21:15,111 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 14:21:15,112 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 14:21:15,233 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 14:21:15,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 14:21:15,238 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 14:21:15,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:21:15 BoogieIcfgContainer [2022-01-10 14:21:15,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 14:21:15,240 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 14:21:15,240 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 14:21:15,242 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 14:21:15,245 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:21:15" (1/1) ... [2022-01-10 14:21:15,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:21:15 BasicIcfg [2022-01-10 14:21:15,335 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 14:21:15,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 14:21:15,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 14:21:15,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 14:21:15,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:21:14" (1/4) ... [2022-01-10 14:21:15,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43df6387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:21:15, skipping insertion in model container [2022-01-10 14:21:15,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:21:14" (2/4) ... [2022-01-10 14:21:15,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43df6387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:21:15, skipping insertion in model container [2022-01-10 14:21:15,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:21:15" (3/4) ... [2022-01-10 14:21:15,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43df6387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:21:15, skipping insertion in model container [2022-01-10 14:21:15,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:21:15" (4/4) ... [2022-01-10 14:21:15,343 INFO L111 eAbstractionObserver]: Analyzing ICFG sum03-2.iTransformedIcfg [2022-01-10 14:21:15,352 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 14:21:15,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 14:21:15,400 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 14:21:15,411 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 14:21:15,411 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 14:21:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:21:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-01-10 14:21:15,429 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:21:15,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-01-10 14:21:15,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:21:15,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:21:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash 55383521, now seen corresponding path program 1 times [2022-01-10 14:21:15,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:21:15,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583044735] [2022-01-10 14:21:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:21:15,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:21:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:21:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 14:21:15,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:21:15,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583044735] [2022-01-10 14:21:15,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583044735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 14:21:15,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 14:21:15,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 14:21:15,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571171685] [2022-01-10 14:21:15,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 14:21:15,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 14:21:15,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:21:15,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 14:21:15,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 14:21:15,793 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:21:15,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:21:15,838 INFO L93 Difference]: Finished difference Result 17 states and 25 transitions. [2022-01-10 14:21:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 14:21:15,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-01-10 14:21:15,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:21:15,846 INFO L225 Difference]: With dead ends: 17 [2022-01-10 14:21:15,847 INFO L226 Difference]: Without dead ends: 9 [2022-01-10 14:21:15,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 14:21:15,856 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 14:21:15,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 14:21:15,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-01-10 14:21:15,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-01-10 14:21:15,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:21:15,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-01-10 14:21:15,885 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-01-10 14:21:15,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:21:15,886 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-01-10 14:21:15,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:21:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-01-10 14:21:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-01-10 14:21:15,887 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:21:15,887 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-01-10 14:21:15,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 14:21:15,887 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:21:15,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:21:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 664047393, now seen corresponding path program 1 times [2022-01-10 14:21:15,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:21:15,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676666976] [2022-01-10 14:21:15,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:21:15,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:21:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:21:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 14:21:16,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:21:16,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676666976] [2022-01-10 14:21:16,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676666976] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 14:21:16,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795528010] [2022-01-10 14:21:16,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:21:16,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 14:21:16,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:21:16,047 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) [2022-01-10 14:21:16,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 14:21:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:21:16,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-10 14:21:16,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 14:21:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 14:21:16,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 14:21:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 14:21:16,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795528010] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 14:21:16,872 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 14:21:16,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2022-01-10 14:21:16,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075756728] [2022-01-10 14:21:16,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 14:21:16,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-10 14:21:16,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:21:16,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-10 14:21:16,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-01-10 14:21:16,874 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:21:17,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:21:17,017 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2022-01-10 14:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 14:21:17,018 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-01-10 14:21:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:21:17,018 INFO L225 Difference]: With dead ends: 11 [2022-01-10 14:21:17,018 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 14:21:17,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-01-10 14:21:17,020 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 14:21:17,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 14 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 14:21:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 14:21:17,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 14:21:17,022 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) [2022-01-10 14:21:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 14:21:17,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-01-10 14:21:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:21:17,022 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 14:21:17,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:21:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 14:21:17,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 14:21:17,024 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 14:21:17,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 14:21:17,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 14:21:17,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 14:21:17,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 14:21:17,281 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 14:21:17,282 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 28) the Hoare annotation is: (or (and (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~sn~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start_main_~sn~0#1Int| 0)) (and (<= (+ (* 2 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) (* 4294967296 (div (+ 4294967295 (* (- 2) |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) |ULTIMATE.start_ULTIMATE.start_main_~sn~0#1Int|) 4294967296))) |ULTIMATE.start_ULTIMATE.start_main_~sn~0#1Int|) (= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|))) [2022-01-10 14:21:17,282 INFO L858 garLoopResultBuilder]: For program point L20(lines 20 29) no Hoare annotation was computed. [2022-01-10 14:21:17,282 INFO L858 garLoopResultBuilder]: For program point L14(lines 14 16) no Hoare annotation was computed. [2022-01-10 14:21:17,282 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 14:21:17,282 INFO L858 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-01-10 14:21:17,282 INFO L854 garLoopResultBuilder]: At program point L14-2(lines 13 18) the Hoare annotation is: (and (<= (+ (* 2 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) (* 4294967296 (div (+ 4294967295 (* (- 2) |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) |ULTIMATE.start_ULTIMATE.start_main_~sn~0#1Int|) 4294967296))) |ULTIMATE.start_ULTIMATE.start_main_~sn~0#1Int|) (= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) [2022-01-10 14:21:17,282 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 14:21:17,283 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2022-01-10 14:21:17,285 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 14:21:17,286 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 14:21:17,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:21:17 BasicIcfg [2022-01-10 14:21:17,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 14:21:17,321 INFO L158 Benchmark]: Toolchain (without parser) took 2656.35ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 122.7MB in the beginning and 92.3MB in the end (delta: 30.4MB). Peak memory consumption was 103.0MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,321 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 14:21:17,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.11ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 122.5MB in the beginning and 224.4MB in the end (delta: -101.9MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.38ms. Allocated memory is still 249.6MB. Free memory was 224.4MB in the beginning and 222.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,328 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 249.6MB. Free memory was 222.9MB in the beginning and 221.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,328 INFO L158 Benchmark]: RCFGBuilder took 259.45ms. Allocated memory is still 249.6MB. Free memory was 221.8MB in the beginning and 212.3MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,328 INFO L158 Benchmark]: IcfgTransformer took 94.47ms. Allocated memory is still 249.6MB. Free memory was 212.3MB in the beginning and 209.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,328 INFO L158 Benchmark]: TraceAbstraction took 1984.26ms. Allocated memory is still 249.6MB. Free memory was 209.2MB in the beginning and 92.3MB in the end (delta: 116.9MB). Peak memory consumption was 116.4MB. Max. memory is 8.0GB. [2022-01-10 14:21:17,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.11ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 122.5MB in the beginning and 224.4MB in the end (delta: -101.9MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.38ms. Allocated memory is still 249.6MB. Free memory was 224.4MB in the beginning and 222.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 249.6MB. Free memory was 222.9MB in the beginning and 221.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 259.45ms. Allocated memory is still 249.6MB. Free memory was 221.8MB in the beginning and 212.3MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 94.47ms. Allocated memory is still 249.6MB. Free memory was 212.3MB in the beginning and 209.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1984.26ms. Allocated memory is still 249.6MB. Free memory was 209.2MB in the beginning and 92.3MB in the end (delta: 116.9MB). Peak memory consumption was 116.4MB. 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: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 9 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 51 HoareAnnotationTreeSize, 2 FomulaSimplifications, 15 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 62 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 5 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 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 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((~bvule32(sn, 0bv32) && ~bvule32(0bv32, sn)) && x == 0bv32) || (cond == 1bv32 && ~bvsle66(~bvadd16(~zero_extendFrom33To66(~bvmul32(2bv33, ~zero_extendFrom32To33(x))), ~sign_extendFrom8To32(~bvmul32(4294967296bv65, ~sign_extendFrom8To32(~bvadd16(~bvadd16(4294967295bv65, ~sign_extendFrom8To32(~bvmul32(~zero_extendFrom32To64(x), 18446744073709551614bv64))), ~zero_extendFrom32To65(sn))[64:32])))), ~zero_extendFrom32To66(sn))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: cond == 1bv32 && ~bvsle66(~bvadd16(~zero_extendFrom33To66(~bvmul32(2bv33, ~zero_extendFrom32To33(x))), ~sign_extendFrom8To32(~bvmul32(4294967296bv65, ~sign_extendFrom8To32(~bvadd16(~bvadd16(4294967295bv65, ~sign_extendFrom8To32(~bvmul32(~zero_extendFrom32To64(x), 18446744073709551614bv64))), ~zero_extendFrom32To65(sn))[64:32])))), ~zero_extendFrom32To66(sn)) RESULT: Ultimate proved your program to be correct! [2022-01-10 14:21:17,357 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...