/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_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 04:07:16,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 04:07:16,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 04:07:16,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 04:07:16,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 04:07:16,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 04:07:16,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 04:07:16,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 04:07:16,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 04:07:16,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 04:07:16,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 04:07:16,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 04:07:16,391 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 04:07:16,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 04:07:16,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 04:07:16,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 04:07:16,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 04:07:16,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 04:07:16,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 04:07:16,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 04:07:16,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 04:07:16,407 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 04:07:16,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 04:07:16,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 04:07:16,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 04:07:16,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 04:07:16,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 04:07:16,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 04:07:16,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 04:07:16,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 04:07:16,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 04:07:16,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 04:07:16,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:07:16,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 04:07:16,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 04:07:16,417 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 04:07:16,417 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 04:07:16,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 04:07:16,417 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 04:07:16,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 04:07:16,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 04:07:16,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 04:07:16,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 04:07:16,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 04:07:16,634 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 04:07:16,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-04-08 04:07:16,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be786976/d2b4ea6401664f4cba4f2d94e64af864/FLAG2211661d5 [2022-04-08 04:07:17,015 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 04:07:17,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-04-08 04:07:17,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be786976/d2b4ea6401664f4cba4f2d94e64af864/FLAG2211661d5 [2022-04-08 04:07:17,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be786976/d2b4ea6401664f4cba4f2d94e64af864 [2022-04-08 04:07:17,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 04:07:17,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 04:07:17,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 04:07:17,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 04:07:17,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 04:07:17,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e95a697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17, skipping insertion in model container [2022-04-08 04:07:17,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 04:07:17,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 04:07:17,652 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_3.c[11322,11335] [2022-04-08 04:07:17,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:07:17,663 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 04:07:17,711 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_3.c[11322,11335] [2022-04-08 04:07:17,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:07:17,730 INFO L208 MainTranslator]: Completed translation [2022-04-08 04:07:17,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17 WrapperNode [2022-04-08 04:07:17,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 04:07:17,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 04:07:17,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 04:07:17,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 04:07:17,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 04:07:17,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 04:07:17,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 04:07:17,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 04:07:17,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (1/1) ... [2022-04-08 04:07:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:07:17,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:07:17,839 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 04:07:17,859 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 04:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 04:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 04:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 04:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 04:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-08 04:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-08 04:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-08 04:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-08 04:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-08 04:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-08 04:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-08 04:07:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-08 04:07:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 04:07:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-08 04:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 04:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-08 04:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 04:07:18,008 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 04:07:18,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 04:07:18,521 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 04:07:18,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 04:07:18,531 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-08 04:07:18,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:07:18 BoogieIcfgContainer [2022-04-08 04:07:18,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 04:07:18,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 04:07:18,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 04:07:18,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 04:07:18,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 04:07:17" (1/3) ... [2022-04-08 04:07:18,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5255a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:07:18, skipping insertion in model container [2022-04-08 04:07:18,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:17" (2/3) ... [2022-04-08 04:07:18,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5255a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:07:18, skipping insertion in model container [2022-04-08 04:07:18,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:07:18" (3/3) ... [2022-04-08 04:07:18,542 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2022-04-08 04:07:18,560 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 04:07:18,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 04:07:18,591 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 04:07:18,596 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 04:07:18,596 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 04:07:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-08 04:07:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-08 04:07:18,635 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:18,635 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 04:07:18,636 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:18,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:18,640 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-04-08 04:07:18,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:18,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1068778729] [2022-04-08 04:07:18,666 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:18,667 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 2 times [2022-04-08 04:07:18,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:18,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768232623] [2022-04-08 04:07:18,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:07:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:19,097 INFO L290 TraceCheckUtils]: 0: Hoare triple {146#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #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_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,097 INFO L290 TraceCheckUtils]: 1: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:19,098 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {131#true} {131#true} #387#return; {131#true} is VALID [2022-04-08 04:07:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 04:07:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:19,140 INFO L290 TraceCheckUtils]: 0: Hoare triple {147#(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_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,151 INFO L290 TraceCheckUtils]: 1: Hoare triple {131#true} assume !(~Id_MCDC_132~0 % 256 < 4); {131#true} is VALID [2022-04-08 04:07:19,152 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {131#true} is VALID [2022-04-08 04:07:19,152 INFO L290 TraceCheckUtils]: 3: Hoare triple {131#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {131#true} is VALID [2022-04-08 04:07:19,152 INFO L290 TraceCheckUtils]: 4: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:19,152 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {131#true} {131#true} #367#return; {131#true} is VALID [2022-04-08 04:07:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-08 04:07:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:19,158 INFO L290 TraceCheckUtils]: 0: Hoare triple {131#true} ~y := #in~y; {131#true} is VALID [2022-04-08 04:07:19,159 INFO L290 TraceCheckUtils]: 1: Hoare triple {131#true} assume 0 == ~y;assume false; {132#false} is VALID [2022-04-08 04:07:19,159 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#false} assume true; {132#false} is VALID [2022-04-08 04:07:19,159 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {132#false} {131#true} #361#return; {132#false} is VALID [2022-04-08 04:07:19,161 INFO L272 TraceCheckUtils]: 0: Hoare triple {131#true} call ULTIMATE.init(); {146#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:07:19,162 INFO L290 TraceCheckUtils]: 1: Hoare triple {146#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #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_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,162 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:19,162 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {131#true} {131#true} #387#return; {131#true} is VALID [2022-04-08 04:07:19,162 INFO L272 TraceCheckUtils]: 4: Hoare triple {131#true} call #t~ret62 := main(); {131#true} is VALID [2022-04-08 04:07:19,162 INFO L290 TraceCheckUtils]: 5: Hoare triple {131#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {131#true} is VALID [2022-04-08 04:07:19,163 INFO L290 TraceCheckUtils]: 6: Hoare triple {131#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {131#true} is VALID [2022-04-08 04:07:19,163 INFO L272 TraceCheckUtils]: 7: Hoare triple {131#true} call Id_MCDC_100(); {131#true} is VALID [2022-04-08 04:07:19,163 INFO L290 TraceCheckUtils]: 8: Hoare triple {131#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {131#true} is VALID [2022-04-08 04:07:19,164 INFO L272 TraceCheckUtils]: 9: Hoare triple {131#true} call Id_MCDC_99(); {131#true} is VALID [2022-04-08 04:07:19,165 INFO L290 TraceCheckUtils]: 10: Hoare triple {131#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {131#true} is VALID [2022-04-08 04:07:19,166 INFO L272 TraceCheckUtils]: 11: Hoare triple {131#true} call #t~ret51 := Id_MCDC_97(); {147#(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 04:07:19,166 INFO L290 TraceCheckUtils]: 12: Hoare triple {147#(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_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,167 INFO L290 TraceCheckUtils]: 13: Hoare triple {131#true} assume !(~Id_MCDC_132~0 % 256 < 4); {131#true} is VALID [2022-04-08 04:07:19,167 INFO L290 TraceCheckUtils]: 14: Hoare triple {131#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {131#true} is VALID [2022-04-08 04:07:19,167 INFO L290 TraceCheckUtils]: 15: Hoare triple {131#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {131#true} is VALID [2022-04-08 04:07:19,168 INFO L290 TraceCheckUtils]: 16: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:19,168 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {131#true} {131#true} #367#return; {131#true} is VALID [2022-04-08 04:07:19,168 INFO L290 TraceCheckUtils]: 18: Hoare triple {131#true} havoc #t~ret51;~Id_MCDC_140~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,168 INFO L290 TraceCheckUtils]: 19: Hoare triple {131#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {131#true} is VALID [2022-04-08 04:07:19,168 INFO L272 TraceCheckUtils]: 20: Hoare triple {131#true} call #t~ret60 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {131#true} is VALID [2022-04-08 04:07:19,169 INFO L290 TraceCheckUtils]: 21: Hoare triple {131#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,169 INFO L290 TraceCheckUtils]: 22: Hoare triple {131#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {131#true} is VALID [2022-04-08 04:07:19,169 INFO L290 TraceCheckUtils]: 23: Hoare triple {131#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {131#true} is VALID [2022-04-08 04:07:19,169 INFO L290 TraceCheckUtils]: 24: Hoare triple {131#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {131#true} is VALID [2022-04-08 04:07:19,169 INFO L272 TraceCheckUtils]: 25: Hoare triple {131#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {131#true} is VALID [2022-04-08 04:07:19,170 INFO L290 TraceCheckUtils]: 26: Hoare triple {131#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {131#true} is VALID [2022-04-08 04:07:19,170 INFO L290 TraceCheckUtils]: 27: Hoare triple {131#true} assume ~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296;~Id_MCDC_117~0 := ~Id_MCDC_90;~Id_MCDC_118~0 := ~Id_MCDC_91; {131#true} is VALID [2022-04-08 04:07:19,170 INFO L290 TraceCheckUtils]: 28: Hoare triple {131#true} assume !!(0 != ~Id_MCDC_119~0 % 4294967296); {131#true} is VALID [2022-04-08 04:07:19,170 INFO L272 TraceCheckUtils]: 29: Hoare triple {131#true} call avoid_zero((if 0 != ~Id_MCDC_118~0 % 4294967296 then 1 else 0)); {131#true} is VALID [2022-04-08 04:07:19,170 INFO L290 TraceCheckUtils]: 30: Hoare triple {131#true} ~y := #in~y; {131#true} is VALID [2022-04-08 04:07:19,171 INFO L290 TraceCheckUtils]: 31: Hoare triple {131#true} assume 0 == ~y;assume false; {132#false} is VALID [2022-04-08 04:07:19,171 INFO L290 TraceCheckUtils]: 32: Hoare triple {132#false} assume true; {132#false} is VALID [2022-04-08 04:07:19,171 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {132#false} {131#true} #361#return; {132#false} is VALID [2022-04-08 04:07:19,172 INFO L290 TraceCheckUtils]: 34: Hoare triple {132#false} ~Id_MCDC_120~0 := (if ~Id_MCDC_117~0 % 4294967296 < 0 && 0 != ~Id_MCDC_117~0 % 4294967296 % (~Id_MCDC_118~0 % 4294967296) then (if ~Id_MCDC_118~0 % 4294967296 < 0 then ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296) - 1 else 1 + ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)) else ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)); {132#false} is VALID [2022-04-08 04:07:19,172 INFO L272 TraceCheckUtils]: 35: Hoare triple {132#false} call __VERIFIER_assert((if ~Id_MCDC_120~0 * ~Id_MCDC_118~0 % 4294967296 >= 0 && ~Id_MCDC_120~0 * ~Id_MCDC_118~0 % 4294967296 <= 4294967295 then 1 else 0)); {132#false} is VALID [2022-04-08 04:07:19,174 INFO L290 TraceCheckUtils]: 36: Hoare triple {132#false} ~Id_MCDC_103 := #in~Id_MCDC_103; {132#false} is VALID [2022-04-08 04:07:19,175 INFO L290 TraceCheckUtils]: 37: Hoare triple {132#false} assume 0 == ~Id_MCDC_103; {132#false} is VALID [2022-04-08 04:07:19,176 INFO L290 TraceCheckUtils]: 38: Hoare triple {132#false} assume !false; {132#false} is VALID [2022-04-08 04:07:19,178 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 04:07:19,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:19,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768232623] [2022-04-08 04:07:19,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768232623] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:19,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:19,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:19,187 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:19,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1068778729] [2022-04-08 04:07:19,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1068778729] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:19,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:19,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:19,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920099143] [2022-04-08 04:07:19,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:19,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-08 04:07:19,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:19,197 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:19,237 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:19,237 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 04:07:19,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:19,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 04:07:19,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 04:07:19,275 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:20,402 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-04-08 04:07:20,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 04:07:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-08 04:07:20,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:20,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 363 transitions. [2022-04-08 04:07:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 363 transitions. [2022-04-08 04:07:20,436 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 363 transitions. [2022-04-08 04:07:20,898 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 363 edges. 363 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:20,907 INFO L225 Difference]: With dead ends: 243 [2022-04-08 04:07:20,907 INFO L226 Difference]: Without dead ends: 119 [2022-04-08 04:07:20,911 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-08 04:07:20,913 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 04:07:20,913 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 04:07:20,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-04-08 04:07:20,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-04-08 04:07:20,951 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:20,952 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:20,953 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:20,954 INFO L87 Difference]: Start difference. First operand 119 states. Second operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:20,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:20,959 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-08 04:07:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-08 04:07:20,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:20,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:20,962 INFO L74 IsIncluded]: Start isIncluded. First operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 119 states. [2022-04-08 04:07:20,962 INFO L87 Difference]: Start difference. First operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 119 states. [2022-04-08 04:07:20,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:20,966 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-08 04:07:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-08 04:07:20,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:20,968 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:20,968 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:20,968 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-04-08 04:07:20,973 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-04-08 04:07:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:20,973 INFO L478 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-04-08 04:07:20,974 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:20,974 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 119 states and 165 transitions. [2022-04-08 04:07:21,232 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-08 04:07:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-08 04:07:21,235 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:21,235 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 04:07:21,235 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 04:07:21,236 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:21,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:21,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-04-08 04:07:21,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:21,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2078125714] [2022-04-08 04:07:21,238 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 2 times [2022-04-08 04:07:21,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:21,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638812287] [2022-04-08 04:07:21,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:21,294 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 04:07:21,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722538962] [2022-04-08 04:07:21,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 04:07:21,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 04:07:21,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:07:21,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 04:07:21,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 04:07:21,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-08 04:07:21,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 04:07:21,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-08 04:07:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:21,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 04:07:21,610 INFO L272 TraceCheckUtils]: 0: Hoare triple {1115#true} call ULTIMATE.init(); {1115#true} is VALID [2022-04-08 04:07:21,610 INFO L290 TraceCheckUtils]: 1: Hoare triple {1115#true} #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_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {1115#true} is VALID [2022-04-08 04:07:21,610 INFO L290 TraceCheckUtils]: 2: Hoare triple {1115#true} assume true; {1115#true} is VALID [2022-04-08 04:07:21,610 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1115#true} {1115#true} #387#return; {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L272 TraceCheckUtils]: 4: Hoare triple {1115#true} call #t~ret62 := main(); {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L290 TraceCheckUtils]: 5: Hoare triple {1115#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L290 TraceCheckUtils]: 6: Hoare triple {1115#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L272 TraceCheckUtils]: 7: Hoare triple {1115#true} call Id_MCDC_100(); {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L290 TraceCheckUtils]: 8: Hoare triple {1115#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L272 TraceCheckUtils]: 9: Hoare triple {1115#true} call Id_MCDC_99(); {1115#true} is VALID [2022-04-08 04:07:21,611 INFO L290 TraceCheckUtils]: 10: Hoare triple {1115#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L272 TraceCheckUtils]: 11: Hoare triple {1115#true} call #t~ret51 := Id_MCDC_97(); {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L290 TraceCheckUtils]: 12: Hoare triple {1115#true} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L290 TraceCheckUtils]: 13: Hoare triple {1115#true} assume !(~Id_MCDC_132~0 % 256 < 4); {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L290 TraceCheckUtils]: 14: Hoare triple {1115#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L290 TraceCheckUtils]: 15: Hoare triple {1115#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L290 TraceCheckUtils]: 16: Hoare triple {1115#true} assume true; {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1115#true} {1115#true} #367#return; {1115#true} is VALID [2022-04-08 04:07:21,612 INFO L290 TraceCheckUtils]: 18: Hoare triple {1115#true} havoc #t~ret51;~Id_MCDC_140~0 := 0; {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L290 TraceCheckUtils]: 19: Hoare triple {1115#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L272 TraceCheckUtils]: 20: Hoare triple {1115#true} call #t~ret60 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L290 TraceCheckUtils]: 21: Hoare triple {1115#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L290 TraceCheckUtils]: 22: Hoare triple {1115#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L290 TraceCheckUtils]: 23: Hoare triple {1115#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L290 TraceCheckUtils]: 24: Hoare triple {1115#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L272 TraceCheckUtils]: 25: Hoare triple {1115#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {1115#true} is VALID [2022-04-08 04:07:21,613 INFO L290 TraceCheckUtils]: 26: Hoare triple {1115#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L290 TraceCheckUtils]: 27: Hoare triple {1115#true} assume ~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296;~Id_MCDC_117~0 := ~Id_MCDC_90;~Id_MCDC_118~0 := ~Id_MCDC_91; {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L290 TraceCheckUtils]: 28: Hoare triple {1115#true} assume !!(0 != ~Id_MCDC_119~0 % 4294967296); {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L272 TraceCheckUtils]: 29: Hoare triple {1115#true} call avoid_zero((if 0 != ~Id_MCDC_118~0 % 4294967296 then 1 else 0)); {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L290 TraceCheckUtils]: 30: Hoare triple {1115#true} ~y := #in~y; {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L290 TraceCheckUtils]: 31: Hoare triple {1115#true} assume !(0 == ~y); {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L290 TraceCheckUtils]: 32: Hoare triple {1115#true} assume true; {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1115#true} {1115#true} #361#return; {1115#true} is VALID [2022-04-08 04:07:21,614 INFO L290 TraceCheckUtils]: 34: Hoare triple {1115#true} ~Id_MCDC_120~0 := (if ~Id_MCDC_117~0 % 4294967296 < 0 && 0 != ~Id_MCDC_117~0 % 4294967296 % (~Id_MCDC_118~0 % 4294967296) then (if ~Id_MCDC_118~0 % 4294967296 < 0 then ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296) - 1 else 1 + ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)) else ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)); {1115#true} is VALID [2022-04-08 04:07:21,618 INFO L272 TraceCheckUtils]: 35: Hoare triple {1115#true} call __VERIFIER_assert((if ~Id_MCDC_120~0 * ~Id_MCDC_118~0 % 4294967296 >= 0 && ~Id_MCDC_120~0 * ~Id_MCDC_118~0 % 4294967296 <= 4294967295 then 1 else 0)); {1225#(<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)} is VALID [2022-04-08 04:07:21,618 INFO L290 TraceCheckUtils]: 36: Hoare triple {1225#(<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)} ~Id_MCDC_103 := #in~Id_MCDC_103; {1229#(<= 1 __VERIFIER_assert_~Id_MCDC_103)} is VALID [2022-04-08 04:07:21,619 INFO L290 TraceCheckUtils]: 37: Hoare triple {1229#(<= 1 __VERIFIER_assert_~Id_MCDC_103)} assume 0 == ~Id_MCDC_103; {1116#false} is VALID [2022-04-08 04:07:21,619 INFO L290 TraceCheckUtils]: 38: Hoare triple {1116#false} assume !false; {1116#false} is VALID [2022-04-08 04:07:21,619 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 04:07:21,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 04:07:21,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:21,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638812287] [2022-04-08 04:07:21,620 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 04:07:21,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722538962] [2022-04-08 04:07:21,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722538962] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:21,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:21,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:21,621 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:21,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2078125714] [2022-04-08 04:07:21,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2078125714] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:21,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:21,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:21,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142966455] [2022-04-08 04:07:21,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:21,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-08 04:07:21,622 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:21,622 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:21,649 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:21,649 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 04:07:21,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:21,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 04:07:21,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 04:07:21,651 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:21,973 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-08 04:07:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 04:07:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-08 04:07:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2022-04-08 04:07:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2022-04-08 04:07:21,978 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 165 transitions. [2022-04-08 04:07:22,106 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:22,107 INFO L225 Difference]: With dead ends: 119 [2022-04-08 04:07:22,107 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 04:07:22,108 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-08 04:07:22,108 INFO L913 BasicCegarLoop]: 160 mSDtfsCounter, 5 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 04:07:22,109 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 477 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 04:07:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 04:07:22,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 04:07:22,109 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:22,110 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 04:07:22,110 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 04:07:22,110 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 04:07:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:22,110 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:22,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:22,110 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:22,110 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 04:07:22,110 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 04:07:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:22,110 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:22,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:22,111 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:22,111 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:22,111 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:22,111 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 04:07:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 04:07:22,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-04-08 04:07:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:22,111 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 04:07:22,111 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:22,112 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-08 04:07:22,112 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 04:07:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:22,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:22,114 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 04:07:22,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-08 04:07:22,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 04:07:22,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 04:07:22,816 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-08 04:07:22,817 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-08 04:07:22,817 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-08 04:07:22,817 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-04-08 04:07:22,817 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-04-08 04:07:22,817 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-04-08 04:07:22,817 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-04-08 04:07:22,817 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:22,817 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-04-08 04:07:22,818 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-04-08 04:07:22,819 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-04-08 04:07:22,820 INFO L878 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,820 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L274-1(line 274) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-04-08 04:07:22,821 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-04-08 04:07:22,822 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-04-08 04:07:22,822 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-04-08 04:07:22,822 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,822 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,822 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,822 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,822 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,822 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,822 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-04-08 04:07:22,823 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,823 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,823 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,823 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,823 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:22,823 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-04-08 04:07:22,823 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:22,823 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-08 04:07:22,839 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:22,839 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-04-08 04:07:22,840 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-04-08 04:07:22,841 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-08 04:07:22,842 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-04-08 04:07:22,843 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:22,844 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:22,845 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:22,846 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-04-08 04:07:22,846 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-04-08 04:07:22,846 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-08 04:07:22,846 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-08 04:07:22,846 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-08 04:07:22,846 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-04-08 04:07:22,849 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 04:07:22,851 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 04:07:22,854 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 04:07:22,868 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 04:07:22,870 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 04:07:22,872 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:22,872 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:22,875 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-08 04:07:22,880 INFO L163 areAnnotationChecker]: CFG has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 04:07:22,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 04:07:22 BoogieIcfgContainer [2022-04-08 04:07:22,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 04:07:22,902 INFO L158 Benchmark]: Toolchain (without parser) took 5475.28ms. Allocated memory was 204.5MB in the beginning and 249.6MB in the end (delta: 45.1MB). Free memory was 156.1MB in the beginning and 92.7MB in the end (delta: 63.3MB). Peak memory consumption was 109.7MB. Max. memory is 8.0GB. [2022-04-08 04:07:22,903 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 173.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 04:07:22,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 204.5MB. Free memory was 155.9MB in the beginning and 174.6MB in the end (delta: -18.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-08 04:07:22,903 INFO L158 Benchmark]: Boogie Preprocessor took 75.10ms. Allocated memory is still 204.5MB. Free memory was 174.2MB in the beginning and 170.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-08 04:07:22,904 INFO L158 Benchmark]: RCFGBuilder took 725.66ms. Allocated memory is still 204.5MB. Free memory was 169.6MB in the beginning and 132.7MB in the end (delta: 36.9MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-04-08 04:07:22,904 INFO L158 Benchmark]: TraceAbstraction took 4366.10ms. Allocated memory was 204.5MB in the beginning and 249.6MB in the end (delta: 45.1MB). Free memory was 131.9MB in the beginning and 92.7MB in the end (delta: 39.2MB). Peak memory consumption was 85.6MB. Max. memory is 8.0GB. [2022-04-08 04:07:22,905 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 0.12ms. Allocated memory is still 204.5MB. Free memory is still 173.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 204.5MB. Free memory was 155.9MB in the beginning and 174.6MB in the end (delta: -18.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.10ms. Allocated memory is still 204.5MB. Free memory was 174.2MB in the beginning and 170.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 725.66ms. Allocated memory is still 204.5MB. Free memory was 169.6MB in the beginning and 132.7MB in the end (delta: 36.9MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4366.10ms. Allocated memory was 204.5MB in the beginning and 249.6MB in the end (delta: 45.1MB). Free memory was 131.9MB in the beginning and 92.7MB in the end (delta: 39.2MB). Peak memory consumption was 85.6MB. 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: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 615 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 293 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 128 LocationsWithAnnotation, 424 PreInvPairs, 536 NumberOfFragments, 354 HoareAnnotationTreeSize, 424 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 128 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 <= Id_MCDC_103 || !(1 <= \old(Id_MCDC_103)) RESULT: Ultimate proved your program to be correct! [2022-04-08 04:07:22,944 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...