/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_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 13:17:42,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 13:17:42,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 13:17:42,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 13:17:42,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 13:17:42,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 13:17:42,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 13:17:42,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 13:17:42,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 13:17:42,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 13:17:42,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 13:17:42,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 13:17:42,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 13:17:42,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 13:17:42,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 13:17:42,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 13:17:42,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 13:17:42,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 13:17:42,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 13:17:42,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 13:17:42,428 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 13:17:42,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 13:17:42,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 13:17:42,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 13:17:42,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 13:17:42,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 13:17:42,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 13:17:42,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 13:17:42,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 13:17:42,442 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 13:17:42,450 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 13:17:42,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 13:17:42,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 13:17:42,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 13:17:42,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 13:17:42,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 13:17:42,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 13:17:42,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 13:17:42,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 13:17:42,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 13:17:42,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 13:17:42,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:17:42,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 13:17:42,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 13:17:42,455 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 13:17:42,455 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 13:17:42,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 13:17:42,455 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 13:17:42,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 13:17:42,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 13:17:42,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 13:17:42,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 13:17:42,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 13:17:42,692 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 13:17:42,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-03-20 13:17:42,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5989c9ab/956ad300271e4da69ccc80305b219378/FLAG77a653ebe [2022-03-20 13:17:43,126 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 13:17:43,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-03-20 13:17:43,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5989c9ab/956ad300271e4da69ccc80305b219378/FLAG77a653ebe [2022-03-20 13:17:43,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5989c9ab/956ad300271e4da69ccc80305b219378 [2022-03-20 13:17:43,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 13:17:43,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 13:17:43,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 13:17:43,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 13:17:43,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 13:17:43,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d16b467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43, skipping insertion in model container [2022-03-20 13:17:43,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 13:17:43,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 13:17:43,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-03-20 13:17:43,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:17:43,800 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 13:17:43,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-03-20 13:17:43,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:17:43,868 INFO L208 MainTranslator]: Completed translation [2022-03-20 13:17:43,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43 WrapperNode [2022-03-20 13:17:43,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 13:17:43,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 13:17:43,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 13:17:43,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 13:17:43,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 13:17:43,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 13:17:43,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 13:17:43,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 13:17:43,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (1/1) ... [2022-03-20 13:17:43,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:17:43,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 13:17:43,997 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 13:17:44,002 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 13:17:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 13:17:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 13:17:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 13:17:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 13:17:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-20 13:17:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-20 13:17:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-20 13:17:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-20 13:17:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-20 13:17:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-20 13:17:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-20 13:17:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-20 13:17:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 13:17:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 13:17:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 13:17:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 13:17:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 13:17:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 13:17:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 13:17:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-20 13:17:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-20 13:17:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-20 13:17:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-20 13:17:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-20 13:17:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-20 13:17:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-20 13:17:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 13:17:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-20 13:17:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 13:17:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 13:17:44,142 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 13:17:44,144 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 13:17:44,471 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 13:17:44,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 13:17:44,477 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-20 13:17:44,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:17:44 BoogieIcfgContainer [2022-03-20 13:17:44,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 13:17:44,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 13:17:44,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 13:17:44,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 13:17:44,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 01:17:43" (1/3) ... [2022-03-20 13:17:44,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5fd6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:17:44, skipping insertion in model container [2022-03-20 13:17:44,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:17:43" (2/3) ... [2022-03-20 13:17:44,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5fd6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:17:44, skipping insertion in model container [2022-03-20 13:17:44,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:17:44" (3/3) ... [2022-03-20 13:17:44,493 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-03-20 13:17:44,496 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 13:17:44,496 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 13:17:44,531 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 13:17:44,535 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 13:17:44,536 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 13:17:44,546 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) [2022-03-20 13:17:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-20 13:17:44,553 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:17:44,553 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] [2022-03-20 13:17:44,554 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:17:44,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:17:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-03-20 13:17:44,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:44,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [790443580] [2022-03-20 13:17:44,569 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:17:44,569 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 2 times [2022-03-20 13:17:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:17:44,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941165681] [2022-03-20 13:17:44,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:17:44,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:17:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:17:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 13:17:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:44,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 13:17:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:17:44,962 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 13:17:44,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:17:44,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941165681] [2022-03-20 13:17:44,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941165681] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:44,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:44,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 13:17:44,965 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:17:44,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [790443580] [2022-03-20 13:17:44,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [790443580] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:44,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:44,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 13:17:44,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42514777] [2022-03-20 13:17:44,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:17:44,970 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 13:17:44,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:44,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 13:17:44,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 13:17:44,995 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) [2022-03-20 13:17:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:17:45,323 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-03-20 13:17:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 13:17:45,325 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 [2022-03-20 13:17:45,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:17:45,331 INFO L225 Difference]: With dead ends: 243 [2022-03-20 13:17:45,331 INFO L226 Difference]: Without dead ends: 119 [2022-03-20 13:17:45,334 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 [2022-03-20 13:17:45,336 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 13:17:45,337 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 13:17:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-03-20 13:17:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-03-20 13:17:45,381 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) [2022-03-20 13:17:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-03-20 13:17:45,383 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-03-20 13:17:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:17:45,384 INFO L478 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-03-20 13:17:45,384 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) [2022-03-20 13:17:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-03-20 13:17:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-20 13:17:45,386 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:17:45,386 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] [2022-03-20 13:17:45,386 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 13:17:45,386 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:17:45,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:17:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-03-20 13:17:45,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:45,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2006758692] [2022-03-20 13:17:45,387 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:17:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 2 times [2022-03-20 13:17:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:17:45,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277822339] [2022-03-20 13:17:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:17:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:17:45,410 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-20 13:17:45,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293026477] [2022-03-20 13:17:45,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 13:17:45,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 13:17:45,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 13:17:45,436 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) [2022-03-20 13:17:45,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 13:17:45,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-20 13:17:45,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 13:17:45,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 13:17:45,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 13:17:45,674 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 13:17:45,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 13:17:45,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:17:45,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277822339] [2022-03-20 13:17:45,675 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-20 13:17:45,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293026477] [2022-03-20 13:17:45,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293026477] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:45,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:45,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 13:17:45,677 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:17:45,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2006758692] [2022-03-20 13:17:45,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2006758692] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:17:45,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:17:45,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 13:17:45,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270790837] [2022-03-20 13:17:45,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:17:45,678 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 13:17:45,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:17:45,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 13:17:45,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 13:17:45,679 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) [2022-03-20 13:17:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:17:45,713 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-03-20 13:17:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 13:17:45,714 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 [2022-03-20 13:17:45,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:17:45,714 INFO L225 Difference]: With dead ends: 119 [2022-03-20 13:17:45,715 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 13:17:45,715 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 [2022-03-20 13:17:45,716 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 [2022-03-20 13:17:45,717 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] [2022-03-20 13:17:45,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 13:17:45,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 13:17:45,717 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 13:17:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 13:17:45,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-03-20 13:17:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:17:45,718 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 13:17:45,718 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) [2022-03-20 13:17:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 13:17:45,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 13:17:45,720 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 13:17:45,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 13:17:45,934 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 [2022-03-20 13:17:45,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 13:17:46,316 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-03-20 13:17:46,316 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-03-20 13:17:46,316 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-03-20 13:17:46,316 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-03-20 13:17:46,316 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-03-20 13:17:46,316 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-03-20 13:17:46,317 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-03-20 13:17:46,317 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-03-20 13:17:46,317 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-03-20 13:17:46,317 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-03-20 13:17:46,317 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-03-20 13:17:46,318 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-03-20 13:17:46,318 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-03-20 13:17:46,318 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-03-20 13:17:46,318 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-03-20 13:17:46,318 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-03-20 13:17:46,318 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-03-20 13:17:46,319 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-03-20 13:17:46,320 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-03-20 13:17:46,320 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|)) [2022-03-20 13:17:46,321 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-03-20 13:17:46,321 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|)) [2022-03-20 13:17:46,321 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-03-20 13:17:46,321 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|)) [2022-03-20 13:17:46,321 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-03-20 13:17:46,321 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-03-20 13:17:46,321 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-03-20 13:17:46,322 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-03-20 13:17:46,322 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-03-20 13:17:46,322 INFO L885 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2022-03-20 13:17:46,322 INFO L885 garLoopResultBuilder]: At program point L274-1(line 274) the Hoare annotation is: true [2022-03-20 13:17:46,322 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-03-20 13:17:46,322 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-03-20 13:17:46,323 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-03-20 13:17:46,323 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-03-20 13:17:46,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-03-20 13:17:46,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-03-20 13:17:46,323 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|)) [2022-03-20 13:17:46,323 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|)) [2022-03-20 13:17:46,325 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,326 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,326 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,327 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|)) [2022-03-20 13:17:46,328 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-03-20 13:17:46,328 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,330 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,330 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,330 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,331 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 13:17:46,331 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-03-20 13:17:46,331 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-03-20 13:17:46,331 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-03-20 13:17:46,331 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-03-20 13:17:46,331 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-03-20 13:17:46,331 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-03-20 13:17:46,331 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-03-20 13:17:46,332 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|)) [2022-03-20 13:17:46,334 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-03-20 13:17:46,334 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-03-20 13:17:46,337 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-03-20 13:17:46,338 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-03-20 13:17:46,339 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-03-20 13:17:46,340 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|)) [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-20 13:17:46,340 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-03-20 13:17:46,340 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-03-20 13:17:46,341 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|))) [2022-03-20 13:17:46,341 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|))) [2022-03-20 13:17:46,341 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|))) [2022-03-20 13:17:46,341 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-03-20 13:17:46,343 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-03-20 13:17:46,344 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 13:17:46,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 01:17:46 BoogieIcfgContainer [2022-03-20 13:17:46,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 13:17:46,361 INFO L158 Benchmark]: Toolchain (without parser) took 2817.92ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 129.6MB in the beginning and 111.2MB in the end (delta: 18.5MB). Peak memory consumption was 105.3MB. Max. memory is 8.0GB. [2022-03-20 13:17:46,361 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 13:17:46,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.17ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 150.1MB in the end (delta: -20.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-20 13:17:46,363 INFO L158 Benchmark]: Boogie Preprocessor took 81.78ms. Allocated memory is still 178.3MB. Free memory was 150.1MB in the beginning and 146.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 13:17:46,363 INFO L158 Benchmark]: RCFGBuilder took 526.97ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 116.5MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-20 13:17:46,364 INFO L158 Benchmark]: TraceAbstraction took 1880.66ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 116.0MB in the beginning and 111.2MB in the end (delta: 4.9MB). Peak memory consumption was 91.9MB. Max. memory is 8.0GB. [2022-03-20 13:17:46,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.17ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 150.1MB in the end (delta: -20.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.78ms. Allocated memory is still 178.3MB. Free memory was 150.1MB in the beginning and 146.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 526.97ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 116.5MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1880.66ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 116.0MB in the beginning and 111.2MB in the end (delta: 4.9MB). Peak memory consumption was 91.9MB. 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: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 615 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 293 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 128 LocationsWithAnnotation, 424 PreInvPairs, 536 NumberOfFragments, 354 HoareAnnotationTreeSize, 424 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 128 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 <= Id_MCDC_103 || !(1 <= \old(Id_MCDC_103)) RESULT: Ultimate proved your program to be correct! [2022-03-20 13:17:46,391 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...