/usr/bin/java -ea -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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 04:06:56,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 04:06:56,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 04:06:56,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 04:06:56,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 04:06:56,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 04:06:56,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 04:06:56,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 04:06:56,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 04:06:56,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 04:06:56,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 04:06:56,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 04:06:56,716 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 04:06:56,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 04:06:56,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 04:06:56,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 04:06:56,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 04:06:56,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 04:06:56,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 04:06:56,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 04:06:56,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 04:06:56,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 04:06:56,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 04:06:56,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 04:06:56,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 04:06:56,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 04:06:56,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 04:06:56,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 04:06:56,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 04:06:56,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 04:06:56,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 04:06:56,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 04:06:56,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 04:06:56,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 04:06:56,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 04:06:56,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 04:06:56,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:06:56,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 04:06:56,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 04:06:56,746 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 04:06:56,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 04:06:56,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 04:06:56,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 04:06:56,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 04:06:56,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 04:06:56,974 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 04:06:56,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-08 04:06:57,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8211aec3c/0afe400096fd4786afca1e50758fd1c7/FLAG9e4a8b842 [2022-04-08 04:06:57,402 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 04:06:57,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-08 04:06:57,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8211aec3c/0afe400096fd4786afca1e50758fd1c7/FLAG9e4a8b842 [2022-04-08 04:06:57,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8211aec3c/0afe400096fd4786afca1e50758fd1c7 [2022-04-08 04:06:57,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 04:06:57,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 04:06:57,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 04:06:57,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 04:06:57,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 04:06:57,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:06:57" (1/1) ... [2022-04-08 04:06:57,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbd2fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:57, skipping insertion in model container [2022-04-08 04:06:57,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:06:57" (1/1) ... [2022-04-08 04:06:57,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 04:06:57,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 04:06:58,060 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_1.c[11890,11903] [2022-04-08 04:06:58,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:06:58,071 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 04:06:58,134 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_1.c[11890,11903] [2022-04-08 04:06:58,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:06:58,146 INFO L208 MainTranslator]: Completed translation [2022-04-08 04:06:58,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58 WrapperNode [2022-04-08 04:06:58,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 04:06:58,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 04:06:58,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 04:06:58,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 04:06:58,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 04:06:58,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 04:06:58,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 04:06:58,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 04:06:58,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (1/1) ... [2022-04-08 04:06:58,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:06:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:06:58,278 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) [2022-04-08 04:06:58,284 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 [2022-04-08 04:06:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 04:06:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 04:06:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 04:06:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 04:06:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-08 04:06:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-04-08 04:06:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-04-08 04:06:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-04-08 04:06:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-04-08 04:06:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-04-08 04:06:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-04-08 04:06:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-04-08 04:06:58,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 04:06:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-04-08 04:06:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-08 04:06:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 04:06:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-08 04:06:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 04:06:58,443 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 04:06:58,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 04:06:58,948 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 04:06:58,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 04:06:58,957 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-08 04:06:58,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:06:58 BoogieIcfgContainer [2022-04-08 04:06:58,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 04:06:58,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 04:06:58,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 04:06:58,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 04:06:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 04:06:57" (1/3) ... [2022-04-08 04:06:58,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2046b608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:06:58, skipping insertion in model container [2022-04-08 04:06:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:06:58" (2/3) ... [2022-04-08 04:06:58,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2046b608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:06:58, skipping insertion in model container [2022-04-08 04:06:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:06:58" (3/3) ... [2022-04-08 04:06:58,964 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-04-08 04:06:58,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 04:06:58,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 04:06:59,013 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 04:06:59,018 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 [2022-04-08 04:06:59,018 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 04:06:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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) [2022-04-08 04:06:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-08 04:06:59,049 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:06:59,050 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] [2022-04-08 04:06:59,050 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:06:59,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:06:59,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2022-04-08 04:06:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:06:59,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1212068876] [2022-04-08 04:06:59,065 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:06:59,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 2 times [2022-04-08 04:06:59,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:06:59,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865272262] [2022-04-08 04:06:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:06:59,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:06:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:06:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:06:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:06:59,405 INFO L290 TraceCheckUtils]: 0: Hoare triple {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {130#true} is VALID [2022-04-08 04:06:59,406 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume true; {130#true} is VALID [2022-04-08 04:06:59,406 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {130#true} {130#true} #386#return; {130#true} is VALID [2022-04-08 04:06:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 04:06:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:06:59,498 INFO L290 TraceCheckUtils]: 0: Hoare triple {146#(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|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {130#true} is VALID [2022-04-08 04:06:59,499 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume !true; {131#false} is VALID [2022-04-08 04:06:59,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#false} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {131#false} is VALID [2022-04-08 04:06:59,503 INFO L290 TraceCheckUtils]: 3: Hoare triple {131#false} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {131#false} is VALID [2022-04-08 04:06:59,503 INFO L290 TraceCheckUtils]: 4: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-08 04:06:59,504 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {131#false} {130#true} #380#return; {131#false} is VALID [2022-04-08 04:06:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-08 04:06:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:06:59,514 INFO L290 TraceCheckUtils]: 0: Hoare triple {130#true} ~y := #in~y; {130#true} is VALID [2022-04-08 04:06:59,515 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume 0 == ~y;assume false; {131#false} is VALID [2022-04-08 04:06:59,515 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-08 04:06:59,515 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {131#false} {131#false} #374#return; {131#false} is VALID [2022-04-08 04:06:59,517 INFO L272 TraceCheckUtils]: 0: Hoare triple {130#true} call ULTIMATE.init(); {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:06:59,517 INFO L290 TraceCheckUtils]: 1: Hoare triple {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {130#true} is VALID [2022-04-08 04:06:59,518 INFO L290 TraceCheckUtils]: 2: Hoare triple {130#true} assume true; {130#true} is VALID [2022-04-08 04:06:59,518 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {130#true} {130#true} #386#return; {130#true} is VALID [2022-04-08 04:06:59,518 INFO L272 TraceCheckUtils]: 4: Hoare triple {130#true} call #t~ret62 := main(); {130#true} is VALID [2022-04-08 04:06:59,518 INFO L290 TraceCheckUtils]: 5: Hoare triple {130#true} havoc ~Id_MCDC_161~0.base, ~Id_MCDC_161~0.offset;havoc ~Id_MCDC_162~0.base, ~Id_MCDC_162~0.offset;havoc ~Id_MCDC_163~0.base, ~Id_MCDC_163~0.offset;havoc ~Id_MCDC_164~0.base, ~Id_MCDC_164~0.offset;havoc ~Id_MCDC_165~0.base, ~Id_MCDC_165~0.offset;havoc ~Id_MCDC_166~0.base, ~Id_MCDC_166~0.offset;havoc ~Id_MCDC_167~0;havoc ~Id_MCDC_168~0;havoc ~Id_MCDC_169~0;havoc ~Id_MCDC_170~0;havoc ~Id_MCDC_171~0;havoc ~Id_MCDC_172~0;havoc ~Id_MCDC_173~0;havoc ~Id_MCDC_174~0;havoc ~Id_MCDC_175~0;havoc ~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset;havoc ~Id_MCDC_177~0;havoc ~Id_MCDC_178~0;~Id_MCDC_179~0 := 0;~Id_MCDC_180~0 := 0;havoc ~Id_MCDC_181~0;havoc ~Id_MCDC_182~0;havoc ~Id_MCDC_183~0.Id_MCDC_77.base, ~Id_MCDC_183~0.Id_MCDC_77.offset, ~Id_MCDC_183~0.Id_MCDC_78.base, ~Id_MCDC_183~0.Id_MCDC_78.offset, ~Id_MCDC_183~0.Id_MCDC_79.base, ~Id_MCDC_183~0.Id_MCDC_79.offset, ~Id_MCDC_183~0.Id_MCDC_80.base, ~Id_MCDC_183~0.Id_MCDC_80.offset, ~Id_MCDC_183~0.Id_MCDC_81.base, ~Id_MCDC_183~0.Id_MCDC_81.offset, ~Id_MCDC_183~0.Id_MCDC_82.base, ~Id_MCDC_183~0.Id_MCDC_82.offset, ~Id_MCDC_183~0.Id_MCDC_83.base, ~Id_MCDC_183~0.Id_MCDC_83.offset, ~Id_MCDC_183~0.Id_MCDC_84.base, ~Id_MCDC_183~0.Id_MCDC_84.offset, ~Id_MCDC_183~0.Id_MCDC_85.base, ~Id_MCDC_183~0.Id_MCDC_85.offset;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {130#true} is VALID [2022-04-08 04:06:59,519 INFO L290 TraceCheckUtils]: 6: Hoare triple {130#true} assume !(~Id_MCDC_176~0.base == 0 && ~Id_MCDC_176~0.offset == 0); {130#true} is VALID [2022-04-08 04:06:59,520 INFO L272 TraceCheckUtils]: 7: Hoare triple {130#true} call Id_MCDC_118(); {130#true} is VALID [2022-04-08 04:06:59,520 INFO L290 TraceCheckUtils]: 8: Hoare triple {130#true} havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0.base, ~Id_MCDC_160~0.offset; {130#true} is VALID [2022-04-08 04:06:59,520 INFO L272 TraceCheckUtils]: 9: Hoare triple {130#true} call Id_MCDC_117(); {130#true} is VALID [2022-04-08 04:06:59,520 INFO L290 TraceCheckUtils]: 10: Hoare triple {130#true} call ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 1 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 2 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 3 + ~#Id_MCDC_157~0.offset, 1);~Id_MCDC_158~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {130#true} is VALID [2022-04-08 04:06:59,522 INFO L272 TraceCheckUtils]: 11: Hoare triple {130#true} call #t~ret51 := Id_MCDC_115(); {146#(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|))} is VALID [2022-04-08 04:06:59,522 INFO L290 TraceCheckUtils]: 12: Hoare triple {146#(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|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {130#true} is VALID [2022-04-08 04:06:59,523 INFO L290 TraceCheckUtils]: 13: Hoare triple {130#true} assume !true; {131#false} is VALID [2022-04-08 04:06:59,523 INFO L290 TraceCheckUtils]: 14: Hoare triple {131#false} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {131#false} is VALID [2022-04-08 04:06:59,523 INFO L290 TraceCheckUtils]: 15: Hoare triple {131#false} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {131#false} is VALID [2022-04-08 04:06:59,523 INFO L290 TraceCheckUtils]: 16: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-08 04:06:59,523 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {131#false} {130#true} #380#return; {131#false} is VALID [2022-04-08 04:06:59,523 INFO L290 TraceCheckUtils]: 18: Hoare triple {131#false} havoc #t~ret51;~Id_MCDC_158~0 := 0; {131#false} is VALID [2022-04-08 04:06:59,523 INFO L290 TraceCheckUtils]: 19: Hoare triple {131#false} assume !(~Id_MCDC_158~0 % 4294967296 < 4); {131#false} is VALID [2022-04-08 04:06:59,523 INFO L272 TraceCheckUtils]: 20: Hoare triple {131#false} call #t~ret60 := Id_MCDC_113(4, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset); {131#false} is VALID [2022-04-08 04:06:59,524 INFO L290 TraceCheckUtils]: 21: Hoare triple {131#false} ~Id_MCDC_111 := #in~Id_MCDC_111;~Id_MCDC_112.base, ~Id_MCDC_112.offset := #in~Id_MCDC_112.base, #in~Id_MCDC_112.offset;~Id_MCDC_139~0 := 0;~Id_MCDC_140~0 := 0; {131#false} is VALID [2022-04-08 04:06:59,524 INFO L290 TraceCheckUtils]: 22: Hoare triple {131#false} assume !(~Id_MCDC_111 % 4294967296 < 2); {131#false} is VALID [2022-04-08 04:06:59,524 INFO L290 TraceCheckUtils]: 23: Hoare triple {131#false} assume !(2 != ~Id_MCDC_111 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_112.base, 1 + ~Id_MCDC_112.offset, 1);~Id_MCDC_140~0 := #t~mem19;havoc #t~mem19; {131#false} is VALID [2022-04-08 04:06:59,524 INFO L290 TraceCheckUtils]: 24: Hoare triple {131#false} call #t~mem20 := read~int(~Id_MCDC_112.base, ~Id_MCDC_112.offset, 1); {131#false} is VALID [2022-04-08 04:06:59,524 INFO L272 TraceCheckUtils]: 25: Hoare triple {131#false} call #t~ret21 := Id_MCDC_110(#t~mem20, ~Id_MCDC_140~0); {131#false} is VALID [2022-04-08 04:06:59,525 INFO L290 TraceCheckUtils]: 26: Hoare triple {131#false} ~Id_MCDC_108 := #in~Id_MCDC_108;~Id_MCDC_109 := #in~Id_MCDC_109;~Id_MCDC_135~0 := 0;~Id_MCDC_136~0 := 0;~Id_MCDC_137~0 := 1;~Id_MCDC_138~0 := 0; {131#false} is VALID [2022-04-08 04:06:59,525 INFO L290 TraceCheckUtils]: 27: Hoare triple {131#false} assume ~Id_MCDC_108 % 4294967296 > ~Id_MCDC_109 % 4294967296;~Id_MCDC_135~0 := ~Id_MCDC_108;~Id_MCDC_136~0 := ~Id_MCDC_109; {131#false} is VALID [2022-04-08 04:06:59,525 INFO L290 TraceCheckUtils]: 28: Hoare triple {131#false} assume !!(0 != ~Id_MCDC_137~0 % 4294967296); {131#false} is VALID [2022-04-08 04:06:59,526 INFO L272 TraceCheckUtils]: 29: Hoare triple {131#false} call avoid_zero((if 0 != ~Id_MCDC_136~0 % 4294967296 then 1 else 0)); {130#true} is VALID [2022-04-08 04:06:59,526 INFO L290 TraceCheckUtils]: 30: Hoare triple {130#true} ~y := #in~y; {130#true} is VALID [2022-04-08 04:06:59,527 INFO L290 TraceCheckUtils]: 31: Hoare triple {130#true} assume 0 == ~y;assume false; {131#false} is VALID [2022-04-08 04:06:59,527 INFO L290 TraceCheckUtils]: 32: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-08 04:06:59,527 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {131#false} {131#false} #374#return; {131#false} is VALID [2022-04-08 04:06:59,527 INFO L272 TraceCheckUtils]: 34: Hoare triple {131#false} call __VERIFIER_assert((if (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 >= 0 && (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 <= 4294967295 then 1 else 0)); {131#false} is VALID [2022-04-08 04:06:59,530 INFO L290 TraceCheckUtils]: 35: Hoare triple {131#false} ~Id_MCDC_121 := #in~Id_MCDC_121; {131#false} is VALID [2022-04-08 04:06:59,530 INFO L290 TraceCheckUtils]: 36: Hoare triple {131#false} assume 0 == ~Id_MCDC_121; {131#false} is VALID [2022-04-08 04:06:59,531 INFO L290 TraceCheckUtils]: 37: Hoare triple {131#false} assume !false; {131#false} is VALID [2022-04-08 04:06:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 04:06:59,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:06:59,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865272262] [2022-04-08 04:06:59,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865272262] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:06:59,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:06:59,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:06:59,539 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:06:59,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1212068876] [2022-04-08 04:06:59,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1212068876] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:06:59,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:06:59,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:06:59,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448741512] [2022-04-08 04:06:59,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:06:59,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-04-08 04:06:59,545 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:06:59,547 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 04:06:59,584 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:06:59,584 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 04:06:59,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:06:59,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 04:06:59,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 04:06:59,613 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 04:07:00,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:00,724 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-04-08 04:07:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 04:07:00,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-04-08 04:07:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 04:07:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2022-04-08 04:07:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 04:07:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2022-04-08 04:07:00,742 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 361 transitions. [2022-04-08 04:07:01,213 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 361 edges. 361 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:01,230 INFO L225 Difference]: With dead ends: 241 [2022-04-08 04:07:01,230 INFO L226 Difference]: Without dead ends: 118 [2022-04-08 04:07:01,236 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-08 04:07:01,241 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 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 [2022-04-08 04:07:01,244 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 04:07:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-04-08 04:07:01,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-04-08 04:07:01,334 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:01,335 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-08 04:07:01,336 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-08 04:07:01,337 INFO L87 Difference]: Start difference. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-08 04:07:01,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:01,350 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-08 04:07:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-08 04:07:01,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:01,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:01,359 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) Second operand 118 states. [2022-04-08 04:07:01,360 INFO L87 Difference]: Start difference. First operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) Second operand 118 states. [2022-04-08 04:07:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:01,372 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-08 04:07:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-08 04:07:01,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:01,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:01,373 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:01,373 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:01,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-08 04:07:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-04-08 04:07:01,380 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-04-08 04:07:01,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:01,380 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-04-08 04:07:01,381 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 04:07:01,381 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 164 transitions. [2022-04-08 04:07:01,672 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-08 04:07:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-08 04:07:01,674 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:01,674 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] [2022-04-08 04:07:01,674 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 04:07:01,675 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:01,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2022-04-08 04:07:01,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:01,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1985879900] [2022-04-08 04:07:01,677 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:01,677 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 2 times [2022-04-08 04:07:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:01,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226983881] [2022-04-08 04:07:01,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:01,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:07:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:01,816 INFO L290 TraceCheckUtils]: 0: Hoare triple {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,816 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-08 04:07:01,816 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1106#true} {1106#true} #386#return; {1106#true} is VALID [2022-04-08 04:07:01,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 04:07:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:01,837 INFO L290 TraceCheckUtils]: 0: Hoare triple {1124#(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|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,837 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume !(~Id_MCDC_150~0 % 256 < 4); {1106#true} is VALID [2022-04-08 04:07:01,837 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {1106#true} is VALID [2022-04-08 04:07:01,837 INFO L290 TraceCheckUtils]: 3: Hoare triple {1106#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {1106#true} is VALID [2022-04-08 04:07:01,838 INFO L290 TraceCheckUtils]: 4: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-08 04:07:01,838 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1106#true} {1106#true} #380#return; {1106#true} is VALID [2022-04-08 04:07:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-08 04:07:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:01,841 INFO L290 TraceCheckUtils]: 0: Hoare triple {1106#true} ~y := #in~y; {1106#true} is VALID [2022-04-08 04:07:01,842 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume !(0 == ~y); {1106#true} is VALID [2022-04-08 04:07:01,842 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-08 04:07:01,842 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1106#true} {1106#true} #374#return; {1106#true} is VALID [2022-04-08 04:07:01,843 INFO L272 TraceCheckUtils]: 0: Hoare triple {1106#true} call ULTIMATE.init(); {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:07:01,843 INFO L290 TraceCheckUtils]: 1: Hoare triple {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,843 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1106#true} {1106#true} #386#return; {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L272 TraceCheckUtils]: 4: Hoare triple {1106#true} call #t~ret62 := main(); {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L290 TraceCheckUtils]: 5: Hoare triple {1106#true} havoc ~Id_MCDC_161~0.base, ~Id_MCDC_161~0.offset;havoc ~Id_MCDC_162~0.base, ~Id_MCDC_162~0.offset;havoc ~Id_MCDC_163~0.base, ~Id_MCDC_163~0.offset;havoc ~Id_MCDC_164~0.base, ~Id_MCDC_164~0.offset;havoc ~Id_MCDC_165~0.base, ~Id_MCDC_165~0.offset;havoc ~Id_MCDC_166~0.base, ~Id_MCDC_166~0.offset;havoc ~Id_MCDC_167~0;havoc ~Id_MCDC_168~0;havoc ~Id_MCDC_169~0;havoc ~Id_MCDC_170~0;havoc ~Id_MCDC_171~0;havoc ~Id_MCDC_172~0;havoc ~Id_MCDC_173~0;havoc ~Id_MCDC_174~0;havoc ~Id_MCDC_175~0;havoc ~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset;havoc ~Id_MCDC_177~0;havoc ~Id_MCDC_178~0;~Id_MCDC_179~0 := 0;~Id_MCDC_180~0 := 0;havoc ~Id_MCDC_181~0;havoc ~Id_MCDC_182~0;havoc ~Id_MCDC_183~0.Id_MCDC_77.base, ~Id_MCDC_183~0.Id_MCDC_77.offset, ~Id_MCDC_183~0.Id_MCDC_78.base, ~Id_MCDC_183~0.Id_MCDC_78.offset, ~Id_MCDC_183~0.Id_MCDC_79.base, ~Id_MCDC_183~0.Id_MCDC_79.offset, ~Id_MCDC_183~0.Id_MCDC_80.base, ~Id_MCDC_183~0.Id_MCDC_80.offset, ~Id_MCDC_183~0.Id_MCDC_81.base, ~Id_MCDC_183~0.Id_MCDC_81.offset, ~Id_MCDC_183~0.Id_MCDC_82.base, ~Id_MCDC_183~0.Id_MCDC_82.offset, ~Id_MCDC_183~0.Id_MCDC_83.base, ~Id_MCDC_183~0.Id_MCDC_83.offset, ~Id_MCDC_183~0.Id_MCDC_84.base, ~Id_MCDC_183~0.Id_MCDC_84.offset, ~Id_MCDC_183~0.Id_MCDC_85.base, ~Id_MCDC_183~0.Id_MCDC_85.offset;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L290 TraceCheckUtils]: 6: Hoare triple {1106#true} assume !(~Id_MCDC_176~0.base == 0 && ~Id_MCDC_176~0.offset == 0); {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L272 TraceCheckUtils]: 7: Hoare triple {1106#true} call Id_MCDC_118(); {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L290 TraceCheckUtils]: 8: Hoare triple {1106#true} havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0.base, ~Id_MCDC_160~0.offset; {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L272 TraceCheckUtils]: 9: Hoare triple {1106#true} call Id_MCDC_117(); {1106#true} is VALID [2022-04-08 04:07:01,844 INFO L290 TraceCheckUtils]: 10: Hoare triple {1106#true} call ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 1 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 2 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 3 + ~#Id_MCDC_157~0.offset, 1);~Id_MCDC_158~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {1106#true} is VALID [2022-04-08 04:07:01,845 INFO L272 TraceCheckUtils]: 11: Hoare triple {1106#true} call #t~ret51 := Id_MCDC_115(); {1124#(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|))} is VALID [2022-04-08 04:07:01,845 INFO L290 TraceCheckUtils]: 12: Hoare triple {1124#(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|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,845 INFO L290 TraceCheckUtils]: 13: Hoare triple {1106#true} assume !(~Id_MCDC_150~0 % 256 < 4); {1106#true} is VALID [2022-04-08 04:07:01,845 INFO L290 TraceCheckUtils]: 14: Hoare triple {1106#true} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {1106#true} is VALID [2022-04-08 04:07:01,845 INFO L290 TraceCheckUtils]: 15: Hoare triple {1106#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 16: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1106#true} {1106#true} #380#return; {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 18: Hoare triple {1106#true} havoc #t~ret51;~Id_MCDC_158~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 19: Hoare triple {1106#true} assume !(~Id_MCDC_158~0 % 4294967296 < 4); {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L272 TraceCheckUtils]: 20: Hoare triple {1106#true} call #t~ret60 := Id_MCDC_113(4, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset); {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 21: Hoare triple {1106#true} ~Id_MCDC_111 := #in~Id_MCDC_111;~Id_MCDC_112.base, ~Id_MCDC_112.offset := #in~Id_MCDC_112.base, #in~Id_MCDC_112.offset;~Id_MCDC_139~0 := 0;~Id_MCDC_140~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 22: Hoare triple {1106#true} assume !(~Id_MCDC_111 % 4294967296 < 2); {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 23: Hoare triple {1106#true} assume !(2 != ~Id_MCDC_111 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_112.base, 1 + ~Id_MCDC_112.offset, 1);~Id_MCDC_140~0 := #t~mem19;havoc #t~mem19; {1106#true} is VALID [2022-04-08 04:07:01,846 INFO L290 TraceCheckUtils]: 24: Hoare triple {1106#true} call #t~mem20 := read~int(~Id_MCDC_112.base, ~Id_MCDC_112.offset, 1); {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L272 TraceCheckUtils]: 25: Hoare triple {1106#true} call #t~ret21 := Id_MCDC_110(#t~mem20, ~Id_MCDC_140~0); {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L290 TraceCheckUtils]: 26: Hoare triple {1106#true} ~Id_MCDC_108 := #in~Id_MCDC_108;~Id_MCDC_109 := #in~Id_MCDC_109;~Id_MCDC_135~0 := 0;~Id_MCDC_136~0 := 0;~Id_MCDC_137~0 := 1;~Id_MCDC_138~0 := 0; {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L290 TraceCheckUtils]: 27: Hoare triple {1106#true} assume ~Id_MCDC_108 % 4294967296 > ~Id_MCDC_109 % 4294967296;~Id_MCDC_135~0 := ~Id_MCDC_108;~Id_MCDC_136~0 := ~Id_MCDC_109; {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L290 TraceCheckUtils]: 28: Hoare triple {1106#true} assume !!(0 != ~Id_MCDC_137~0 % 4294967296); {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L272 TraceCheckUtils]: 29: Hoare triple {1106#true} call avoid_zero((if 0 != ~Id_MCDC_136~0 % 4294967296 then 1 else 0)); {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L290 TraceCheckUtils]: 30: Hoare triple {1106#true} ~y := #in~y; {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L290 TraceCheckUtils]: 31: Hoare triple {1106#true} assume !(0 == ~y); {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L290 TraceCheckUtils]: 32: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-08 04:07:01,847 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1106#true} {1106#true} #374#return; {1106#true} is VALID [2022-04-08 04:07:01,850 INFO L272 TraceCheckUtils]: 34: Hoare triple {1106#true} call __VERIFIER_assert((if (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 >= 0 && (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 <= 4294967295 then 1 else 0)); {1121#(= |__VERIFIER_assert_#in~Id_MCDC_121| 1)} is VALID [2022-04-08 04:07:01,851 INFO L290 TraceCheckUtils]: 35: Hoare triple {1121#(= |__VERIFIER_assert_#in~Id_MCDC_121| 1)} ~Id_MCDC_121 := #in~Id_MCDC_121; {1122#(= __VERIFIER_assert_~Id_MCDC_121 1)} is VALID [2022-04-08 04:07:01,851 INFO L290 TraceCheckUtils]: 36: Hoare triple {1122#(= __VERIFIER_assert_~Id_MCDC_121 1)} assume 0 == ~Id_MCDC_121; {1107#false} is VALID [2022-04-08 04:07:01,851 INFO L290 TraceCheckUtils]: 37: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2022-04-08 04:07:01,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 04:07:01,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:01,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226983881] [2022-04-08 04:07:01,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226983881] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:01,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:01,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 04:07:01,853 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:01,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1985879900] [2022-04-08 04:07:01,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1985879900] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:01,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:01,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 04:07:01,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025673070] [2022-04-08 04:07:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:01,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 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 38 [2022-04-08 04:07:01,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:01,855 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:01,880 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:01,880 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 04:07:01,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:01,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 04:07:01,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-08 04:07:01,881 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:03,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:03,595 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-08 04:07:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-08 04:07:03,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 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 38 [2022-04-08 04:07:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2022-04-08 04:07:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2022-04-08 04:07:03,600 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 164 transitions. [2022-04-08 04:07:03,842 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:03,842 INFO L225 Difference]: With dead ends: 118 [2022-04-08 04:07:03,842 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 04:07:03,843 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-04-08 04:07:03,844 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-08 04:07:03,844 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-08 04:07:03,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 04:07:03,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 04:07:03,845 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:03,845 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-04-08 04:07:03,845 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-04-08 04:07:03,845 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-04-08 04:07:03,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:03,845 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:03,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:03,846 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:03,846 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-04-08 04:07:03,846 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-04-08 04:07:03,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:03,846 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:03,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:03,846 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:03,846 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:03,846 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:03,846 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) [2022-04-08 04:07:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 04:07:03,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-04-08 04:07:03,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:03,847 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 04:07:03,847 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:03,847 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-08 04:07:03,847 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:03,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:03,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 04:07:03,851 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-08 04:07:03,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 04:07:04,319 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-08 04:07:04,319 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-08 04:07:04,319 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-08 04:07:04,319 INFO L885 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-04-08 04:07:04,319 INFO L885 garLoopResultBuilder]: At program point L322-1(line 322) the Hoare annotation is: true [2022-04-08 04:07:04,319 INFO L885 garLoopResultBuilder]: At program point L321-1(line 321) the Hoare annotation is: true [2022-04-08 04:07:04,319 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L315-1(line 315) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L313(lines 313 320) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L309(lines 309 312) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_115ENTRY(lines 356 424) 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|)) [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-04-08 04:07:04,320 INFO L885 garLoopResultBuilder]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L413-1(line 413) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L414(lines 414 417) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L381(lines 381 422) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-04-08 04:07:04,321 INFO L885 garLoopResultBuilder]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L343(lines 343 348) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L341-2(line 341) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L341-3(line 341) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L329(lines 329 332) the Hoare annotation is: true [2022-04-08 04:07:04,322 INFO L885 garLoopResultBuilder]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L336(lines 336 339) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L286(lines 286 294) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L280(lines 280 294) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L885 garLoopResultBuilder]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2022-04-08 04:07:04,323 INFO L878 garLoopResultBuilder]: At program point L478(lines 478 481) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:04,324 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 452 484) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:04,324 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2022-04-08 04:07:04,324 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2022-04-08 04:07:04,327 INFO L878 garLoopResultBuilder]: At program point L483(line 483) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:04,327 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_117ENTRY(lines 425 444) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:04,327 INFO L878 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,327 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2022-04-08 04:07:04,327 INFO L878 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L430-1(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L433-2(lines 433 440) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L431-2(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-08 04:07:04,328 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point L449(line 449) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:04,328 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_118ENTRY(lines 445 451) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:04,328 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2022-04-08 04:07:04,328 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2022-04-08 04:07:04,328 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:04,328 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-08 04:07:04,328 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:04,328 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-04-08 04:07:04,329 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-08 04:07:04,329 INFO L878 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-04-08 04:07:04,329 INFO L878 garLoopResultBuilder]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-08 04:07:04,329 INFO L878 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-08 04:07:04,330 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L254(lines 254 257) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L242-2(line 242) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L259-2(line 259) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L259-3(line 259) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2022-04-08 04:07:04,330 INFO L885 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L239-2(line 239) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L227(lines 227 233) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L223(lines 223 226) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L236-2(line 236) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 266) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L245-2(line 245) the Hoare annotation is: true [2022-04-08 04:07:04,331 INFO L885 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: true [2022-04-08 04:07:04,332 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-08 04:07:04,332 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2022-04-08 04:07:04,334 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 04:07:04,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 04:07:04,337 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 04:07:04,337 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 04:07:04,340 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 04:07:04,340 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:04,340 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:04,342 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-08 04:07:04,346 INFO L163 areAnnotationChecker]: CFG has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 04:07:04,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 04:07:04 BoogieIcfgContainer [2022-04-08 04:07:04,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 04:07:04,356 INFO L158 Benchmark]: Toolchain (without parser) took 6556.82ms. Allocated memory was 177.2MB in the beginning and 255.9MB in the end (delta: 78.6MB). Free memory was 125.8MB in the beginning and 123.3MB in the end (delta: 2.5MB). Peak memory consumption was 121.3MB. Max. memory is 8.0GB. [2022-04-08 04:07:04,356 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 177.2MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 04:07:04,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.99ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 125.7MB in the beginning and 181.6MB in the end (delta: -55.9MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2022-04-08 04:07:04,356 INFO L158 Benchmark]: Boogie Preprocessor took 93.03ms. Allocated memory is still 212.9MB. Free memory was 181.6MB in the beginning and 176.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-04-08 04:07:04,357 INFO L158 Benchmark]: RCFGBuilder took 716.22ms. Allocated memory is still 212.9MB. Free memory was 176.9MB in the beginning and 138.6MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-04-08 04:07:04,357 INFO L158 Benchmark]: TraceAbstraction took 5394.83ms. Allocated memory was 212.9MB in the beginning and 255.9MB in the end (delta: 43.0MB). Free memory was 138.1MB in the beginning and 123.3MB in the end (delta: 14.8MB). Peak memory consumption was 97.6MB. Max. memory is 8.0GB. [2022-04-08 04:07:04,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 177.2MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.99ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 125.7MB in the beginning and 181.6MB in the end (delta: -55.9MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.03ms. Allocated memory is still 212.9MB. Free memory was 181.6MB in the beginning and 176.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 716.22ms. Allocated memory is still 212.9MB. Free memory was 176.9MB in the beginning and 138.6MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5394.83ms. Allocated memory was 212.9MB in the beginning and 255.9MB in the end (delta: 43.0MB). Free memory was 138.1MB in the beginning and 123.3MB in the end (delta: 14.8MB). Peak memory consumption was 97.6MB. 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: 489]: 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, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 353 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 127 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: \old(Id_MCDC_132) == Id_MCDC_132 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! [2022-04-08 04:07:04,384 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...