/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 20:24:38,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 20:24:38,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 20:24:38,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 20:24:38,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 20:24:38,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 20:24:38,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 20:24:38,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 20:24:38,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 20:24:38,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 20:24:38,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 20:24:38,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 20:24:38,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 20:24:38,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 20:24:38,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 20:24:38,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 20:24:38,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 20:24:38,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 20:24:38,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 20:24:38,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 20:24:38,989 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 20:24:38,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 20:24:38,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 20:24:38,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 20:24:38,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 20:24:38,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 20:24:39,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 20:24:39,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 20:24:39,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 20:24:39,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-06 20:24:39,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 20:24:39,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 20:24:39,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 20:24:39,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 20:24:39,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 20:24:39,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 20:24:39,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 20:24:39,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 20:24:39,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 20:24:39,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 20:24:39,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 20:24:39,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 20:24:39,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 20:24:39,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 20:24:39,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 20:24:39,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 20:24:39,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 20:24:39,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-06 20:24:39,026 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-06 20:24:39,026 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-06 20:24:39,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 20:24:39,027 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-06 20:24:39,027 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 20:24:39,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 20:24:39,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 20:24:39,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 20:24:39,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 20:24:39,311 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 20:24:39,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-04-06 20:24:39,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a255e34/a9d3abe1cbea4649bfb7bb764c72d079/FLAGe9c2e2ddc [2022-04-06 20:24:39,796 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 20:24:39,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-04-06 20:24:39,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a255e34/a9d3abe1cbea4649bfb7bb764c72d079/FLAGe9c2e2ddc [2022-04-06 20:24:39,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a255e34/a9d3abe1cbea4649bfb7bb764c72d079 [2022-04-06 20:24:39,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 20:24:39,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-06 20:24:39,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 20:24:39,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 20:24:39,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 20:24:39,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:24:39" (1/1) ... [2022-04-06 20:24:39,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396fa766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:39, skipping insertion in model container [2022-04-06 20:24:39,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:24:39" (1/1) ... [2022-04-06 20:24:39,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 20:24:39,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 20:24:40,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-04-06 20:24:40,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 20:24:40,107 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 20:24:40,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-04-06 20:24:40,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 20:24:40,169 INFO L208 MainTranslator]: Completed translation [2022-04-06 20:24:40,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40 WrapperNode [2022-04-06 20:24:40,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 20:24:40,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 20:24:40,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 20:24:40,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 20:24:40,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 20:24:40,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 20:24:40,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 20:24:40,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 20:24:40,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (1/1) ... [2022-04-06 20:24:40,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 20:24:40,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 20:24:40,289 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) [2022-04-06 20:24:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 20:24:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 20:24:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 20:24:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-06 20:24:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-06 20:24:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-06 20:24:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-06 20:24:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-06 20:24:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-06 20:24:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-06 20:24:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-06 20:24:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-06 20:24:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 20:24:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-06 20:24:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 20:24:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 20:24:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 20:24:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-06 20:24:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-06 20:24:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 20:24:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-06 20:24:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 20:24:40,311 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 [2022-04-06 20:24:40,498 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 20:24:40,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 20:24:40,880 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 20:24:40,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 20:24:40,887 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-06 20:24:40,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:24:40 BoogieIcfgContainer [2022-04-06 20:24:40,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 20:24:40,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 20:24:40,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 20:24:40,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 20:24:40,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:24:39" (1/3) ... [2022-04-06 20:24:40,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c23ae7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:24:40, skipping insertion in model container [2022-04-06 20:24:40,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:40" (2/3) ... [2022-04-06 20:24:40,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c23ae7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:24:40, skipping insertion in model container [2022-04-06 20:24:40,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:24:40" (3/3) ... [2022-04-06 20:24:40,896 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-04-06 20:24:40,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-06 20:24:40,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 20:24:40,931 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 20:24:40,936 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-04-06 20:24:40,936 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 20:24:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-06 20:24:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-06 20:24:40,960 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 20:24:40,961 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 20:24:40,961 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 20:24:40,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 20:24:40,966 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-04-06 20:24:40,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:40,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1334120352] [2022-04-06 20:24:40,982 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-06 20:24:40,982 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 2 times [2022-04-06 20:24:40,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 20:24:40,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926390954] [2022-04-06 20:24:40,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 20:24:40,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 20:24:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 20:24:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-06 20:24:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:41,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 20:24:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 20:24:41,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 20:24:41,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926390954] [2022-04-06 20:24:41,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926390954] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:41,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:41,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 20:24:41,470 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-06 20:24:41,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1334120352] [2022-04-06 20:24:41,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1334120352] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:41,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:41,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 20:24:41,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831890615] [2022-04-06 20:24:41,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 20:24:41,475 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 20:24:41,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:41,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 20:24:41,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 20:24:41,499 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-06 20:24:41,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 20:24:41,943 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-04-06 20:24:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 20:24:41,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-06 20:24:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 20:24:41,961 INFO L225 Difference]: With dead ends: 243 [2022-04-06 20:24:41,961 INFO L226 Difference]: Without dead ends: 119 [2022-04-06 20:24:41,969 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 20:24:41,971 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 20:24:41,972 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 20:24:41,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-04-06 20:24:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-04-06 20:24:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-06 20:24:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-04-06 20:24:42,052 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-04-06 20:24:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 20:24:42,053 INFO L478 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-04-06 20:24:42,053 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-06 20:24:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-06 20:24:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-06 20:24:42,055 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 20:24:42,055 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 20:24:42,056 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 20:24:42,056 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 20:24:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 20:24:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-04-06 20:24:42,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:42,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [938689327] [2022-04-06 20:24:42,057 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-06 20:24:42,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 2 times [2022-04-06 20:24:42,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 20:24:42,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942873930] [2022-04-06 20:24:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 20:24:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 20:24:42,096 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-06 20:24:42,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737183776] [2022-04-06 20:24:42,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-06 20:24:42,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 20:24:42,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 20:24:42,099 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) [2022-04-06 20:24:42,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 20:24:42,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-06 20:24:42,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 20:24:42,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 20:24:42,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 20:24:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 20:24:42,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 20:24:42,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 20:24:42,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942873930] [2022-04-06 20:24:42,416 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-06 20:24:42,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737183776] [2022-04-06 20:24:42,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737183776] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:42,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:42,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 20:24:42,418 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-06 20:24:42,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [938689327] [2022-04-06 20:24:42,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [938689327] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:42,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:42,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 20:24:42,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101067079] [2022-04-06 20:24:42,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 20:24:42,420 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 20:24:42,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:42,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 20:24:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 20:24:42,422 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-06 20:24:42,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 20:24:42,481 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-06 20:24:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 20:24:42,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-06 20:24:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 20:24:42,482 INFO L225 Difference]: With dead ends: 119 [2022-04-06 20:24:42,482 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 20:24:42,484 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 20:24:42,485 INFO L913 BasicCegarLoop]: 160 mSDtfsCounter, 5 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 20:24:42,489 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 477 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 20:24:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 20:24:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 20:24:42,491 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) [2022-04-06 20:24:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 20:24:42,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-04-06 20:24:42,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 20:24:42,492 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 20:24:42,492 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-06 20:24:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 20:24:42,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 20:24:42,495 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 20:24:42,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-06 20:24:42,715 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 20:24:42,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-06 20:24:43,182 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-06 20:24:43,183 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-06 20:24:43,183 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-06 20:24:43,183 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-04-06 20:24:43,183 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-04-06 20:24:43,183 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-04-06 20:24:43,183 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-04-06 20:24:43,183 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-04-06 20:24:43,184 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-04-06 20:24:43,185 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-06 20:24:43,186 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,187 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-04-06 20:24:43,187 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,187 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-04-06 20:24:43,187 INFO L878 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,187 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-04-06 20:24:43,187 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-04-06 20:24:43,187 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-04-06 20:24:43,187 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point L274-1(line 274) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-04-06 20:24:43,188 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,189 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-04-06 20:24:43,189 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,190 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,190 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,190 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,190 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:43,190 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-04-06 20:24:43,190 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-06 20:24:43,190 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-06 20:24:43,190 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-06 20:24:43,190 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-04-06 20:24:43,191 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-04-06 20:24:43,191 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-04-06 20:24:43,192 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-04-06 20:24:43,193 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-04-06 20:24:43,194 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-04-06 20:24:43,195 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-06 20:24:43,196 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-04-06 20:24:43,197 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-04-06 20:24:43,197 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-06 20:24:43,198 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-06 20:24:43,198 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-06 20:24:43,198 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-04-06 20:24:43,201 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-06 20:24:43,202 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 20:24:43,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:24:43 BoogieIcfgContainer [2022-04-06 20:24:43,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 20:24:43,216 INFO L158 Benchmark]: Toolchain (without parser) took 3387.37ms. Allocated memory was 179.3MB in the beginning and 217.1MB in the end (delta: 37.7MB). Free memory was 132.2MB in the beginning and 183.6MB in the end (delta: -51.5MB). Peak memory consumption was 93.2MB. Max. memory is 8.0GB. [2022-04-06 20:24:43,217 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory was 149.4MB in the beginning and 149.4MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 20:24:43,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.15ms. Allocated memory is still 179.3MB. Free memory was 132.0MB in the beginning and 150.3MB in the end (delta: -18.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-06 20:24:43,217 INFO L158 Benchmark]: Boogie Preprocessor took 77.06ms. Allocated memory is still 179.3MB. Free memory was 150.3MB in the beginning and 146.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 20:24:43,218 INFO L158 Benchmark]: RCFGBuilder took 641.06ms. Allocated memory is still 179.3MB. Free memory was 146.7MB in the beginning and 116.9MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-04-06 20:24:43,218 INFO L158 Benchmark]: TraceAbstraction took 2324.92ms. Allocated memory was 179.3MB in the beginning and 217.1MB in the end (delta: 37.7MB). Free memory was 116.3MB in the beginning and 183.6MB in the end (delta: -67.3MB). Peak memory consumption was 78.3MB. Max. memory is 8.0GB. [2022-04-06 20:24:43,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory was 149.4MB in the beginning and 149.4MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.15ms. Allocated memory is still 179.3MB. Free memory was 132.0MB in the beginning and 150.3MB in the end (delta: -18.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.06ms. Allocated memory is still 179.3MB. Free memory was 150.3MB in the beginning and 146.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 641.06ms. Allocated memory is still 179.3MB. Free memory was 146.7MB in the beginning and 116.9MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2324.92ms. Allocated memory was 179.3MB in the beginning and 217.1MB in the end (delta: 37.7MB). Free memory was 116.3MB in the beginning and 183.6MB in the end (delta: -67.3MB). Peak memory consumption was 78.3MB. 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: 463]: 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 14 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 615 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 293 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 128 LocationsWithAnnotation, 424 PreInvPairs, 536 NumberOfFragments, 354 HoareAnnotationTreeSize, 424 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 128 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 <= Id_MCDC_103 || !(1 <= \old(Id_MCDC_103)) RESULT: Ultimate proved your program to be correct! [2022-04-06 20:24:43,250 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...