/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 13:17:35,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 13:17:35,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 13:17:35,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 13:17:35,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 13:17:35,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 13:17:35,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 13:17:35,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 13:17:35,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 13:17:35,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 13:17:35,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 13:17:35,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 13:17:35,713 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 13:17:35,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 13:17:35,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 13:17:35,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 13:17:35,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 13:17:35,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 13:17:35,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 13:17:35,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 13:17:35,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 13:17:35,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-20 13:17:35,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 13:17:35,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 13:17:35,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 13:17:35,758 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 13:17:35,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 13:17:35,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 13:17:35,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 13:17:35,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 13:17:35,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 13:17:35,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 13:17:35,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:17:35,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 13:17:35,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 13:17:35,761 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 13:17:35,761 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 13:17:35,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 13:17:35,761 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 13:17:35,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 13:17:35,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 13:17:36,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 13:17:36,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 13:17:36,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 13:17:36,004 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 13:17:36,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-03-20 13:17:36,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23a870e4/c7abd1d8b8684ad787a5efd964e1a922/FLAG1889a2990 [2022-03-20 13:17:36,461 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 13:17:36,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-03-20 13:17:36,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23a870e4/c7abd1d8b8684ad787a5efd964e1a922/FLAG1889a2990 [2022-03-20 13:17:36,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23a870e4/c7abd1d8b8684ad787a5efd964e1a922 [2022-03-20 13:17:36,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 13:17:36,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 13:17:36,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 13:17:36,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 13:17:36,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 13:17:36,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fa3c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36, skipping insertion in model container [2022-03-20 13:17:36,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 13:17:36,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 13:17:36,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-03-20 13:17:36,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:17:36,765 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 13:17:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-03-20 13:17:36,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:17:36,833 INFO L208 MainTranslator]: Completed translation [2022-03-20 13:17:36,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36 WrapperNode [2022-03-20 13:17:36,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 13:17:36,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 13:17:36,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 13:17:36,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 13:17:36,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 13:17:36,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 13:17:36,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 13:17:36,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 13:17:36,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (1/1) ... [2022-03-20 13:17:36,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:17:36,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 13:17:36,947 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) [2022-03-20 13:17:36,951 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 [2022-03-20 13:17:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 13:17:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 13:17:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 13:17:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 13:17:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 13:17:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-03-20 13:17:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 13:17:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 13:17:37,075 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 13:17:37,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 13:17:37,535 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 13:17:37,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 13:17:37,547 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-20 13:17:37,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:17:37 BoogieIcfgContainer [2022-03-20 13:17:37,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 13:17:37,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 13:17:37,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 13:17:37,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 13:17:37,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 01:17:36" (1/3) ... [2022-03-20 13:17:37,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4945a5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:17:37, skipping insertion in model container [2022-03-20 13:17:37,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:36" (2/3) ... [2022-03-20 13:17:37,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4945a5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:17:37, skipping insertion in model container [2022-03-20 13:17:37,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:17:37" (3/3) ... [2022-03-20 13:17:37,557 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-03-20 13:17:37,563 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 13:17:37,564 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 13:17:37,602 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 13:17:37,607 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 [2022-03-20 13:17:37,607 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 13:17:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-03-20 13:17:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-20 13:17:37,635 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:17:37,636 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:17:37,636 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:17:37,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:17:37,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2022-03-20 13:17:37,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:37,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1845283812] [2022-03-20 13:17:37,654 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:17:37,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 2 times [2022-03-20 13:17:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:17:37,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006680923] [2022-03-20 13:17:37,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:17:37,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:17:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:17:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 13:17:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 13:17:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:17:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:17:38,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006680923] [2022-03-20 13:17:38,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006680923] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:38,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:38,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 13:17:38,034 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:17:38,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1845283812] [2022-03-20 13:17:38,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1845283812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:38,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:38,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 13:17:38,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170381011] [2022-03-20 13:17:38,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:17:38,039 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 13:17:38,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:38,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 13:17:38,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 13:17:38,057 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 13:17:38,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:17:38,489 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-03-20 13:17:38,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 13:17:38,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-03-20 13:17:38,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:17:38,496 INFO L225 Difference]: With dead ends: 241 [2022-03-20 13:17:38,497 INFO L226 Difference]: Without dead ends: 118 [2022-03-20 13:17:38,499 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 13:17:38,501 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 13:17:38,502 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 13:17:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-03-20 13:17:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-03-20 13:17:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-03-20 13:17:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-03-20 13:17:38,561 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-03-20 13:17:38,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:17:38,561 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-03-20 13:17:38,561 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 13:17:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-03-20 13:17:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-20 13:17:38,563 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:17:38,564 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:17:38,564 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 13:17:38,564 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:17:38,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:17:38,564 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2022-03-20 13:17:38,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:38,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [873418980] [2022-03-20 13:17:38,565 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:17:38,565 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 2 times [2022-03-20 13:17:38,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:17:38,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578707034] [2022-03-20 13:17:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:17:38,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:17:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:17:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 13:17:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 13:17:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:17:38,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:17:38,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578707034] [2022-03-20 13:17:38,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578707034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:38,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:38,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 13:17:38,720 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:17:38,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [873418980] [2022-03-20 13:17:38,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [873418980] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:38,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:38,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 13:17:38,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60300509] [2022-03-20 13:17:38,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:17:38,722 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 13:17:38,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:38,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 13:17:38,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 13:17:38,724 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-20 13:17:39,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:17:39,222 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-03-20 13:17:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 13:17:39,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-03-20 13:17:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:17:39,223 INFO L225 Difference]: With dead ends: 118 [2022-03-20 13:17:39,223 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 13:17:39,224 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-03-20 13:17:39,225 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 13:17:39,225 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 13:17:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 13:17:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 13:17:39,226 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) [2022-03-20 13:17:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 13:17:39,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-03-20 13:17:39,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:17:39,226 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 13:17:39,226 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-20 13:17:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 13:17:39,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 13:17:39,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 13:17:39,229 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 13:17:39,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 13:17:39,555 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-03-20 13:17:39,557 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-03-20 13:17:39,557 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-03-20 13:17:39,557 INFO L885 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-03-20 13:17:39,557 INFO L885 garLoopResultBuilder]: At program point L322-1(line 322) the Hoare annotation is: true [2022-03-20 13:17:39,559 INFO L885 garLoopResultBuilder]: At program point L321-1(line 321) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L315-1(line 315) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L313(lines 313 320) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L309(lines 309 312) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-03-20 13:17:39,560 INFO L885 garLoopResultBuilder]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2022-03-20 13:17:39,561 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_115ENTRY(lines 356 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,561 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2022-03-20 13:17:39,562 INFO L885 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-03-20 13:17:39,563 INFO L885 garLoopResultBuilder]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2022-03-20 13:17:39,563 INFO L885 garLoopResultBuilder]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2022-03-20 13:17:39,563 INFO L885 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-03-20 13:17:39,563 INFO L885 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-03-20 13:17:39,563 INFO L885 garLoopResultBuilder]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L413-1(line 413) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L414(lines 414 417) the Hoare annotation is: true [2022-03-20 13:17:39,564 INFO L885 garLoopResultBuilder]: At program point L381(lines 381 422) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-03-20 13:17:39,565 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L343(lines 343 348) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L341-2(line 341) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L341-3(line 341) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L329(lines 329 332) the Hoare annotation is: true [2022-03-20 13:17:39,566 INFO L885 garLoopResultBuilder]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2022-03-20 13:17:39,567 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-03-20 13:17:39,567 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2022-03-20 13:17:39,567 INFO L885 garLoopResultBuilder]: At program point L336(lines 336 339) the Hoare annotation is: true [2022-03-20 13:17:39,567 INFO L885 garLoopResultBuilder]: At program point L286(lines 286 294) the Hoare annotation is: true [2022-03-20 13:17:39,568 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2022-03-20 13:17:39,568 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2022-03-20 13:17:39,568 INFO L885 garLoopResultBuilder]: At program point L280(lines 280 294) the Hoare annotation is: true [2022-03-20 13:17:39,568 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-03-20 13:17:39,568 INFO L885 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-03-20 13:17:39,568 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-20 13:17:39,569 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-03-20 13:17:39,569 INFO L885 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-03-20 13:17:39,570 INFO L885 garLoopResultBuilder]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2022-03-20 13:17:39,570 INFO L878 garLoopResultBuilder]: At program point L478(lines 478 481) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,570 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 452 484) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,570 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2022-03-20 13:17:39,571 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2022-03-20 13:17:39,571 INFO L878 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,571 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_117ENTRY(lines 425 444) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,571 INFO L878 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,571 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2022-03-20 13:17:39,573 INFO L878 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,573 INFO L878 garLoopResultBuilder]: At program point L430-1(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,576 INFO L878 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,576 INFO L878 garLoopResultBuilder]: At program point L433-2(lines 433 440) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,576 INFO L878 garLoopResultBuilder]: At program point L431-2(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,576 INFO L878 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,576 INFO L878 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-03-20 13:17:39,576 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2022-03-20 13:17:39,577 INFO L878 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,577 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_118ENTRY(lines 445 451) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-03-20 13:17:39,579 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2022-03-20 13:17:39,580 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2022-03-20 13:17:39,582 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-03-20 13:17:39,582 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-03-20 13:17:39,582 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-03-20 13:17:39,582 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-03-20 13:17:39,582 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-03-20 13:17:39,582 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 13:17:39,582 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-03-20 13:17:39,583 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-03-20 13:17:39,583 INFO L878 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-03-20 13:17:39,583 INFO L878 garLoopResultBuilder]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-03-20 13:17:39,583 INFO L878 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-03-20 13:17:39,583 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-03-20 13:17:39,583 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L254(lines 254 257) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L242-2(line 242) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L259-2(line 259) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L259-3(line 259) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: true [2022-03-20 13:17:39,584 INFO L885 garLoopResultBuilder]: At program point L239-2(line 239) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L227(lines 227 233) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L223(lines 223 226) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L236-2(line 236) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 266) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L245-2(line 245) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-03-20 13:17:39,585 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2022-03-20 13:17:39,588 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-03-20 13:17:39,589 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 13:17:39,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 01:17:39 BoogieIcfgContainer [2022-03-20 13:17:39,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 13:17:39,605 INFO L158 Benchmark]: Toolchain (without parser) took 3120.59ms. Allocated memory was 206.6MB in the beginning and 276.8MB in the end (delta: 70.3MB). Free memory was 152.9MB in the beginning and 187.1MB in the end (delta: -34.2MB). Peak memory consumption was 92.9MB. Max. memory is 8.0GB. [2022-03-20 13:17:39,606 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 170.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 13:17:39,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.88ms. Allocated memory is still 206.6MB. Free memory was 152.8MB in the beginning and 171.2MB in the end (delta: -18.4MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2022-03-20 13:17:39,606 INFO L158 Benchmark]: Boogie Preprocessor took 58.19ms. Allocated memory is still 206.6MB. Free memory was 171.2MB in the beginning and 167.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 13:17:39,607 INFO L158 Benchmark]: RCFGBuilder took 655.68ms. Allocated memory is still 206.6MB. Free memory was 167.9MB in the beginning and 136.0MB in the end (delta: 31.9MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-03-20 13:17:39,607 INFO L158 Benchmark]: TraceAbstraction took 2053.45ms. Allocated memory was 206.6MB in the beginning and 276.8MB in the end (delta: 70.3MB). Free memory was 135.6MB in the beginning and 187.1MB in the end (delta: -51.5MB). Peak memory consumption was 74.7MB. Max. memory is 8.0GB. [2022-03-20 13:17:39,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 170.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.88ms. Allocated memory is still 206.6MB. Free memory was 152.8MB in the beginning and 171.2MB in the end (delta: -18.4MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.19ms. Allocated memory is still 206.6MB. Free memory was 171.2MB in the beginning and 167.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 655.68ms. Allocated memory is still 206.6MB. Free memory was 167.9MB in the beginning and 136.0MB in the end (delta: 31.9MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2053.45ms. Allocated memory was 206.6MB in the beginning and 276.8MB in the end (delta: 70.3MB). Free memory was 135.6MB in the beginning and 187.1MB in the end (delta: -51.5MB). Peak memory consumption was 74.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 353 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 127 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: \old(Id_MCDC_132) == Id_MCDC_132 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! [2022-03-20 13:17:39,650 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...