/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 06:26:48,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 06:26:48,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 06:26:48,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-15 06:26:48,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-15 06:26:48,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-15 06:26:48,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-15 06:26:48,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-15 06:26:48,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-15 06:26:48,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-15 06:26:48,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-15 06:26:48,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-15 06:26:48,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 06:26:48,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 06:26:48,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 06:26:48,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 06:26:48,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 06:26:48,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 06:26:48,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 06:26:48,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 06:26:48,957 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 06:26:48,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 06:26:48,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 06:26:48,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 06:26:48,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 06:26:48,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-15 06:26:48,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 06:26:48,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 06:26:48,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 06:26:48,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-15 06:26:48,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 06:26:48,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 06:26:48,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 06:26:48,988 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-15 06:26:48,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 06:26:48,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-15 06:26:48,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 06:26:48,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 06:26:48,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 06:26:48,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 06:26:48,989 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-15 06:26:48,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 06:26:48,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 06:26:48,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 06:26:48,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 06:26:48,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 06:26:48,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-15 06:26:48,990 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 06:26:49,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 06:26:49,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 06:26:49,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 06:26:49,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 06:26:49,225 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 06:26:49,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-15 06:26:49,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980738847/c6b115c5585f4a94b99cfd87bc24a7cf/FLAG7d6a1a0e8 [2022-04-15 06:26:49,700 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 06:26:49,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-15 06:26:49,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980738847/c6b115c5585f4a94b99cfd87bc24a7cf/FLAG7d6a1a0e8 [2022-04-15 06:26:49,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980738847/c6b115c5585f4a94b99cfd87bc24a7cf [2022-04-15 06:26:49,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 06:26:49,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 06:26:49,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 06:26:49,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 06:26:49,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 06:26:49,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:26:49" (1/1) ... [2022-04-15 06:26:49,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb443c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:49, skipping insertion in model container [2022-04-15 06:26:49,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:26:49" (1/1) ... [2022-04-15 06:26:49,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 06:26:49,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 06:26:49,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-04-15 06:26:49,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 06:26:49,997 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 06:26:50,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-04-15 06:26:50,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 06:26:50,082 INFO L208 MainTranslator]: Completed translation [2022-04-15 06:26:50,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50 WrapperNode [2022-04-15 06:26:50,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 06:26:50,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 06:26:50,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 06:26:50,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 06:26:50,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 06:26:50,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 06:26:50,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 06:26:50,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 06:26:50,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (1/1) ... [2022-04-15 06:26:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 06:26:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 06:26:50,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-15 06:26:50,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-15 06:26:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 06:26:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 06:26:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 06:26:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 06:26:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-04-15 06:26:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 06:26:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-15 06:26:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-15 06:26:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 06:26:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-15 06:26:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-15 06:26:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 06:26:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-15 06:26:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 06:26:50,399 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 06:26:50,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 06:26:50,861 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 06:26:50,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 06:26:50,867 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-15 06:26:50,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:26:50 BoogieIcfgContainer [2022-04-15 06:26:50,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 06:26:50,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 06:26:50,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 06:26:50,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 06:26:50,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:26:49" (1/3) ... [2022-04-15 06:26:50,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d66ace7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:26:50, skipping insertion in model container [2022-04-15 06:26:50,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:26:50" (2/3) ... [2022-04-15 06:26:50,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d66ace7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:26:50, skipping insertion in model container [2022-04-15 06:26:50,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:26:50" (3/3) ... [2022-04-15 06:26:50,881 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-04-15 06:26:50,884 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 06:26:50,884 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 06:26:50,927 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 06:26:50,932 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-15 06:26:50,932 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 06:26:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 06:26:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-15 06:26:50,966 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 06:26:50,967 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 06:26:50,967 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 06:26:50,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 06:26:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2022-04-15 06:26:50,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 06:26:50,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [27503389] [2022-04-15 06:26:50,986 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 06:26:50,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 2 times [2022-04-15 06:26:50,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 06:26:50,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181256182] [2022-04-15 06:26:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 06:26:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 06:26:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 06:26:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:51,269 INFO L290 TraceCheckUtils]: 0: Hoare triple {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {130#true} is VALID [2022-04-15 06:26:51,269 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume true; {130#true} is VALID [2022-04-15 06:26:51,269 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {130#true} {130#true} #386#return; {130#true} is VALID [2022-04-15 06:26:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-15 06:26:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:51,307 INFO L290 TraceCheckUtils]: 0: Hoare triple {146#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {130#true} is VALID [2022-04-15 06:26:51,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume !true; {131#false} is VALID [2022-04-15 06:26:51,308 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#false} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {131#false} is VALID [2022-04-15 06:26:51,308 INFO L290 TraceCheckUtils]: 3: Hoare triple {131#false} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {131#false} is VALID [2022-04-15 06:26:51,308 INFO L290 TraceCheckUtils]: 4: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-15 06:26:51,308 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {131#false} {130#true} #380#return; {131#false} is VALID [2022-04-15 06:26:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-15 06:26:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:51,313 INFO L290 TraceCheckUtils]: 0: Hoare triple {130#true} ~y := #in~y; {130#true} is VALID [2022-04-15 06:26:51,313 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume 0 == ~y;assume false; {131#false} is VALID [2022-04-15 06:26:51,314 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-15 06:26:51,314 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {131#false} {131#false} #374#return; {131#false} is VALID [2022-04-15 06:26:51,315 INFO L272 TraceCheckUtils]: 0: Hoare triple {130#true} call ULTIMATE.init(); {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 06:26:51,316 INFO L290 TraceCheckUtils]: 1: Hoare triple {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {130#true} is VALID [2022-04-15 06:26:51,316 INFO L290 TraceCheckUtils]: 2: Hoare triple {130#true} assume true; {130#true} is VALID [2022-04-15 06:26:51,316 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {130#true} {130#true} #386#return; {130#true} is VALID [2022-04-15 06:26:51,316 INFO L272 TraceCheckUtils]: 4: Hoare triple {130#true} call #t~ret62 := main(); {130#true} is VALID [2022-04-15 06:26:51,316 INFO L290 TraceCheckUtils]: 5: Hoare triple {130#true} havoc ~Id_MCDC_161~0.base, ~Id_MCDC_161~0.offset;havoc ~Id_MCDC_162~0.base, ~Id_MCDC_162~0.offset;havoc ~Id_MCDC_163~0.base, ~Id_MCDC_163~0.offset;havoc ~Id_MCDC_164~0.base, ~Id_MCDC_164~0.offset;havoc ~Id_MCDC_165~0.base, ~Id_MCDC_165~0.offset;havoc ~Id_MCDC_166~0.base, ~Id_MCDC_166~0.offset;havoc ~Id_MCDC_167~0;havoc ~Id_MCDC_168~0;havoc ~Id_MCDC_169~0;havoc ~Id_MCDC_170~0;havoc ~Id_MCDC_171~0;havoc ~Id_MCDC_172~0;havoc ~Id_MCDC_173~0;havoc ~Id_MCDC_174~0;havoc ~Id_MCDC_175~0;havoc ~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset;havoc ~Id_MCDC_177~0;havoc ~Id_MCDC_178~0;~Id_MCDC_179~0 := 0;~Id_MCDC_180~0 := 0;havoc ~Id_MCDC_181~0;havoc ~Id_MCDC_182~0;havoc ~Id_MCDC_183~0.Id_MCDC_77.base, ~Id_MCDC_183~0.Id_MCDC_77.offset, ~Id_MCDC_183~0.Id_MCDC_78.base, ~Id_MCDC_183~0.Id_MCDC_78.offset, ~Id_MCDC_183~0.Id_MCDC_79.base, ~Id_MCDC_183~0.Id_MCDC_79.offset, ~Id_MCDC_183~0.Id_MCDC_80.base, ~Id_MCDC_183~0.Id_MCDC_80.offset, ~Id_MCDC_183~0.Id_MCDC_81.base, ~Id_MCDC_183~0.Id_MCDC_81.offset, ~Id_MCDC_183~0.Id_MCDC_82.base, ~Id_MCDC_183~0.Id_MCDC_82.offset, ~Id_MCDC_183~0.Id_MCDC_83.base, ~Id_MCDC_183~0.Id_MCDC_83.offset, ~Id_MCDC_183~0.Id_MCDC_84.base, ~Id_MCDC_183~0.Id_MCDC_84.offset, ~Id_MCDC_183~0.Id_MCDC_85.base, ~Id_MCDC_183~0.Id_MCDC_85.offset;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {130#true} is VALID [2022-04-15 06:26:51,317 INFO L290 TraceCheckUtils]: 6: Hoare triple {130#true} assume !(~Id_MCDC_176~0.base == 0 && ~Id_MCDC_176~0.offset == 0); {130#true} is VALID [2022-04-15 06:26:51,317 INFO L272 TraceCheckUtils]: 7: Hoare triple {130#true} call Id_MCDC_118(); {130#true} is VALID [2022-04-15 06:26:51,317 INFO L290 TraceCheckUtils]: 8: Hoare triple {130#true} havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0.base, ~Id_MCDC_160~0.offset; {130#true} is VALID [2022-04-15 06:26:51,317 INFO L272 TraceCheckUtils]: 9: Hoare triple {130#true} call Id_MCDC_117(); {130#true} is VALID [2022-04-15 06:26:51,317 INFO L290 TraceCheckUtils]: 10: Hoare triple {130#true} call ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 1 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 2 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 3 + ~#Id_MCDC_157~0.offset, 1);~Id_MCDC_158~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {130#true} is VALID [2022-04-15 06:26:51,318 INFO L272 TraceCheckUtils]: 11: Hoare triple {130#true} call #t~ret51 := Id_MCDC_115(); {146#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-15 06:26:51,318 INFO L290 TraceCheckUtils]: 12: Hoare triple {146#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {130#true} is VALID [2022-04-15 06:26:51,318 INFO L290 TraceCheckUtils]: 13: Hoare triple {130#true} assume !true; {131#false} is VALID [2022-04-15 06:26:51,319 INFO L290 TraceCheckUtils]: 14: Hoare triple {131#false} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {131#false} is VALID [2022-04-15 06:26:51,319 INFO L290 TraceCheckUtils]: 15: Hoare triple {131#false} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {131#false} is VALID [2022-04-15 06:26:51,319 INFO L290 TraceCheckUtils]: 16: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-15 06:26:51,319 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {131#false} {130#true} #380#return; {131#false} is VALID [2022-04-15 06:26:51,319 INFO L290 TraceCheckUtils]: 18: Hoare triple {131#false} havoc #t~ret51;~Id_MCDC_158~0 := 0; {131#false} is VALID [2022-04-15 06:26:51,319 INFO L290 TraceCheckUtils]: 19: Hoare triple {131#false} assume !(~Id_MCDC_158~0 % 4294967296 < 4); {131#false} is VALID [2022-04-15 06:26:51,320 INFO L272 TraceCheckUtils]: 20: Hoare triple {131#false} call #t~ret60 := Id_MCDC_113(4, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset); {131#false} is VALID [2022-04-15 06:26:51,320 INFO L290 TraceCheckUtils]: 21: Hoare triple {131#false} ~Id_MCDC_111 := #in~Id_MCDC_111;~Id_MCDC_112.base, ~Id_MCDC_112.offset := #in~Id_MCDC_112.base, #in~Id_MCDC_112.offset;~Id_MCDC_139~0 := 0;~Id_MCDC_140~0 := 0; {131#false} is VALID [2022-04-15 06:26:51,320 INFO L290 TraceCheckUtils]: 22: Hoare triple {131#false} assume !(~Id_MCDC_111 % 4294967296 < 2); {131#false} is VALID [2022-04-15 06:26:51,320 INFO L290 TraceCheckUtils]: 23: Hoare triple {131#false} assume !(2 != ~Id_MCDC_111 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_112.base, 1 + ~Id_MCDC_112.offset, 1);~Id_MCDC_140~0 := #t~mem19;havoc #t~mem19; {131#false} is VALID [2022-04-15 06:26:51,320 INFO L290 TraceCheckUtils]: 24: Hoare triple {131#false} call #t~mem20 := read~int(~Id_MCDC_112.base, ~Id_MCDC_112.offset, 1); {131#false} is VALID [2022-04-15 06:26:51,320 INFO L272 TraceCheckUtils]: 25: Hoare triple {131#false} call #t~ret21 := Id_MCDC_110(#t~mem20, ~Id_MCDC_140~0); {131#false} is VALID [2022-04-15 06:26:51,320 INFO L290 TraceCheckUtils]: 26: Hoare triple {131#false} ~Id_MCDC_108 := #in~Id_MCDC_108;~Id_MCDC_109 := #in~Id_MCDC_109;~Id_MCDC_135~0 := 0;~Id_MCDC_136~0 := 0;~Id_MCDC_137~0 := 1;~Id_MCDC_138~0 := 0; {131#false} is VALID [2022-04-15 06:26:51,321 INFO L290 TraceCheckUtils]: 27: Hoare triple {131#false} assume ~Id_MCDC_108 % 4294967296 > ~Id_MCDC_109 % 4294967296;~Id_MCDC_135~0 := ~Id_MCDC_108;~Id_MCDC_136~0 := ~Id_MCDC_109; {131#false} is VALID [2022-04-15 06:26:51,321 INFO L290 TraceCheckUtils]: 28: Hoare triple {131#false} assume !!(0 != ~Id_MCDC_137~0 % 4294967296); {131#false} is VALID [2022-04-15 06:26:51,321 INFO L272 TraceCheckUtils]: 29: Hoare triple {131#false} call avoid_zero((if 0 != ~Id_MCDC_136~0 % 4294967296 then 1 else 0)); {130#true} is VALID [2022-04-15 06:26:51,321 INFO L290 TraceCheckUtils]: 30: Hoare triple {130#true} ~y := #in~y; {130#true} is VALID [2022-04-15 06:26:51,322 INFO L290 TraceCheckUtils]: 31: Hoare triple {130#true} assume 0 == ~y;assume false; {131#false} is VALID [2022-04-15 06:26:51,322 INFO L290 TraceCheckUtils]: 32: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-15 06:26:51,322 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {131#false} {131#false} #374#return; {131#false} is VALID [2022-04-15 06:26:51,322 INFO L272 TraceCheckUtils]: 34: Hoare triple {131#false} call __VERIFIER_assert((if (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 >= 0 && (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 <= 4294967295 then 1 else 0)); {131#false} is VALID [2022-04-15 06:26:51,322 INFO L290 TraceCheckUtils]: 35: Hoare triple {131#false} ~Id_MCDC_121 := #in~Id_MCDC_121; {131#false} is VALID [2022-04-15 06:26:51,322 INFO L290 TraceCheckUtils]: 36: Hoare triple {131#false} assume 0 == ~Id_MCDC_121; {131#false} is VALID [2022-04-15 06:26:51,322 INFO L290 TraceCheckUtils]: 37: Hoare triple {131#false} assume !false; {131#false} is VALID [2022-04-15 06:26:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 06:26:51,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 06:26:51,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181256182] [2022-04-15 06:26:51,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181256182] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 06:26:51,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 06:26:51,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 06:26:51,327 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 06:26:51,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [27503389] [2022-04-15 06:26:51,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [27503389] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 06:26:51,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 06:26:51,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 06:26:51,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411416234] [2022-04-15 06:26:51,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 06:26:51,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-04-15 06:26:51,333 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 06:26:51,336 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 06:26:51,371 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:26:51,371 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 06:26:51,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 06:26:51,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 06:26:51,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 06:26:51,397 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 06:26:52,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:26:52,359 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-04-15 06:26:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 06:26:52,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-04-15 06:26:52,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 06:26:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 06:26:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2022-04-15 06:26:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 06:26:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2022-04-15 06:26:52,390 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 361 transitions. [2022-04-15 06:26:52,854 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 361 edges. 361 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:26:52,863 INFO L225 Difference]: With dead ends: 241 [2022-04-15 06:26:52,863 INFO L226 Difference]: Without dead ends: 118 [2022-04-15 06:26:52,865 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-15 06:26:52,867 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-15 06:26:52,868 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-15 06:26:52,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-04-15 06:26:52,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-04-15 06:26:52,905 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 06:26:52,906 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 06:26:52,907 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 06:26:52,907 INFO L87 Difference]: Start difference. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 06:26:52,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:26:52,914 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-15 06:26:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-15 06:26:52,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:26:52,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 06:26:52,916 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 118 states. [2022-04-15 06:26:52,916 INFO L87 Difference]: Start difference. First operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 118 states. [2022-04-15 06:26:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:26:52,923 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-15 06:26:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-15 06:26:52,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:26:52,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 06:26:52,924 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 06:26:52,924 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 06:26:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 06:26:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-04-15 06:26:52,929 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-04-15 06:26:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 06:26:52,929 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-04-15 06:26:52,930 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 06:26:52,930 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 164 transitions. [2022-04-15 06:26:53,195 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:26:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-15 06:26:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-15 06:26:53,197 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 06:26:53,197 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 06:26:53,197 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 06:26:53,197 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 06:26:53,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 06:26:53,198 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2022-04-15 06:26:53,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 06:26:53,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1558091690] [2022-04-15 06:26:53,198 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 06:26:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 2 times [2022-04-15 06:26:53,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 06:26:53,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190038899] [2022-04-15 06:26:53,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 06:26:53,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 06:26:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 06:26:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:53,322 INFO L290 TraceCheckUtils]: 0: Hoare triple {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,322 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-15 06:26:53,322 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1106#true} {1106#true} #386#return; {1106#true} is VALID [2022-04-15 06:26:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-15 06:26:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:53,344 INFO L290 TraceCheckUtils]: 0: Hoare triple {1124#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,345 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume !(~Id_MCDC_150~0 % 256 < 4); {1106#true} is VALID [2022-04-15 06:26:53,345 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {1106#true} is VALID [2022-04-15 06:26:53,345 INFO L290 TraceCheckUtils]: 3: Hoare triple {1106#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {1106#true} is VALID [2022-04-15 06:26:53,345 INFO L290 TraceCheckUtils]: 4: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-15 06:26:53,346 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1106#true} {1106#true} #380#return; {1106#true} is VALID [2022-04-15 06:26:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-15 06:26:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:26:53,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {1106#true} ~y := #in~y; {1106#true} is VALID [2022-04-15 06:26:53,349 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume !(0 == ~y); {1106#true} is VALID [2022-04-15 06:26:53,350 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-15 06:26:53,350 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1106#true} {1106#true} #374#return; {1106#true} is VALID [2022-04-15 06:26:53,351 INFO L272 TraceCheckUtils]: 0: Hoare triple {1106#true} call ULTIMATE.init(); {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 06:26:53,351 INFO L290 TraceCheckUtils]: 1: Hoare triple {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 8 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 16 + ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_132~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,352 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-15 06:26:53,352 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1106#true} {1106#true} #386#return; {1106#true} is VALID [2022-04-15 06:26:53,352 INFO L272 TraceCheckUtils]: 4: Hoare triple {1106#true} call #t~ret62 := main(); {1106#true} is VALID [2022-04-15 06:26:53,352 INFO L290 TraceCheckUtils]: 5: Hoare triple {1106#true} havoc ~Id_MCDC_161~0.base, ~Id_MCDC_161~0.offset;havoc ~Id_MCDC_162~0.base, ~Id_MCDC_162~0.offset;havoc ~Id_MCDC_163~0.base, ~Id_MCDC_163~0.offset;havoc ~Id_MCDC_164~0.base, ~Id_MCDC_164~0.offset;havoc ~Id_MCDC_165~0.base, ~Id_MCDC_165~0.offset;havoc ~Id_MCDC_166~0.base, ~Id_MCDC_166~0.offset;havoc ~Id_MCDC_167~0;havoc ~Id_MCDC_168~0;havoc ~Id_MCDC_169~0;havoc ~Id_MCDC_170~0;havoc ~Id_MCDC_171~0;havoc ~Id_MCDC_172~0;havoc ~Id_MCDC_173~0;havoc ~Id_MCDC_174~0;havoc ~Id_MCDC_175~0;havoc ~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset;havoc ~Id_MCDC_177~0;havoc ~Id_MCDC_178~0;~Id_MCDC_179~0 := 0;~Id_MCDC_180~0 := 0;havoc ~Id_MCDC_181~0;havoc ~Id_MCDC_182~0;havoc ~Id_MCDC_183~0.Id_MCDC_77.base, ~Id_MCDC_183~0.Id_MCDC_77.offset, ~Id_MCDC_183~0.Id_MCDC_78.base, ~Id_MCDC_183~0.Id_MCDC_78.offset, ~Id_MCDC_183~0.Id_MCDC_79.base, ~Id_MCDC_183~0.Id_MCDC_79.offset, ~Id_MCDC_183~0.Id_MCDC_80.base, ~Id_MCDC_183~0.Id_MCDC_80.offset, ~Id_MCDC_183~0.Id_MCDC_81.base, ~Id_MCDC_183~0.Id_MCDC_81.offset, ~Id_MCDC_183~0.Id_MCDC_82.base, ~Id_MCDC_183~0.Id_MCDC_82.offset, ~Id_MCDC_183~0.Id_MCDC_83.base, ~Id_MCDC_183~0.Id_MCDC_83.offset, ~Id_MCDC_183~0.Id_MCDC_84.base, ~Id_MCDC_183~0.Id_MCDC_84.offset, ~Id_MCDC_183~0.Id_MCDC_85.base, ~Id_MCDC_183~0.Id_MCDC_85.offset;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {1106#true} is VALID [2022-04-15 06:26:53,352 INFO L290 TraceCheckUtils]: 6: Hoare triple {1106#true} assume !(~Id_MCDC_176~0.base == 0 && ~Id_MCDC_176~0.offset == 0); {1106#true} is VALID [2022-04-15 06:26:53,353 INFO L272 TraceCheckUtils]: 7: Hoare triple {1106#true} call Id_MCDC_118(); {1106#true} is VALID [2022-04-15 06:26:53,353 INFO L290 TraceCheckUtils]: 8: Hoare triple {1106#true} havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0.base, ~Id_MCDC_160~0.offset; {1106#true} is VALID [2022-04-15 06:26:53,353 INFO L272 TraceCheckUtils]: 9: Hoare triple {1106#true} call Id_MCDC_117(); {1106#true} is VALID [2022-04-15 06:26:53,353 INFO L290 TraceCheckUtils]: 10: Hoare triple {1106#true} call ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 1 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 2 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 3 + ~#Id_MCDC_157~0.offset, 1);~Id_MCDC_158~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {1106#true} is VALID [2022-04-15 06:26:53,354 INFO L272 TraceCheckUtils]: 11: Hoare triple {1106#true} call #t~ret51 := Id_MCDC_115(); {1124#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-15 06:26:53,354 INFO L290 TraceCheckUtils]: 12: Hoare triple {1124#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,354 INFO L290 TraceCheckUtils]: 13: Hoare triple {1106#true} assume !(~Id_MCDC_150~0 % 256 < 4); {1106#true} is VALID [2022-04-15 06:26:53,354 INFO L290 TraceCheckUtils]: 14: Hoare triple {1106#true} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {1106#true} is VALID [2022-04-15 06:26:53,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {1106#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {1106#true} is VALID [2022-04-15 06:26:53,355 INFO L290 TraceCheckUtils]: 16: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-15 06:26:53,355 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1106#true} {1106#true} #380#return; {1106#true} is VALID [2022-04-15 06:26:53,355 INFO L290 TraceCheckUtils]: 18: Hoare triple {1106#true} havoc #t~ret51;~Id_MCDC_158~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {1106#true} assume !(~Id_MCDC_158~0 % 4294967296 < 4); {1106#true} is VALID [2022-04-15 06:26:53,355 INFO L272 TraceCheckUtils]: 20: Hoare triple {1106#true} call #t~ret60 := Id_MCDC_113(4, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset); {1106#true} is VALID [2022-04-15 06:26:53,356 INFO L290 TraceCheckUtils]: 21: Hoare triple {1106#true} ~Id_MCDC_111 := #in~Id_MCDC_111;~Id_MCDC_112.base, ~Id_MCDC_112.offset := #in~Id_MCDC_112.base, #in~Id_MCDC_112.offset;~Id_MCDC_139~0 := 0;~Id_MCDC_140~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,356 INFO L290 TraceCheckUtils]: 22: Hoare triple {1106#true} assume !(~Id_MCDC_111 % 4294967296 < 2); {1106#true} is VALID [2022-04-15 06:26:53,356 INFO L290 TraceCheckUtils]: 23: Hoare triple {1106#true} assume !(2 != ~Id_MCDC_111 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_112.base, 1 + ~Id_MCDC_112.offset, 1);~Id_MCDC_140~0 := #t~mem19;havoc #t~mem19; {1106#true} is VALID [2022-04-15 06:26:53,356 INFO L290 TraceCheckUtils]: 24: Hoare triple {1106#true} call #t~mem20 := read~int(~Id_MCDC_112.base, ~Id_MCDC_112.offset, 1); {1106#true} is VALID [2022-04-15 06:26:53,356 INFO L272 TraceCheckUtils]: 25: Hoare triple {1106#true} call #t~ret21 := Id_MCDC_110(#t~mem20, ~Id_MCDC_140~0); {1106#true} is VALID [2022-04-15 06:26:53,356 INFO L290 TraceCheckUtils]: 26: Hoare triple {1106#true} ~Id_MCDC_108 := #in~Id_MCDC_108;~Id_MCDC_109 := #in~Id_MCDC_109;~Id_MCDC_135~0 := 0;~Id_MCDC_136~0 := 0;~Id_MCDC_137~0 := 1;~Id_MCDC_138~0 := 0; {1106#true} is VALID [2022-04-15 06:26:53,357 INFO L290 TraceCheckUtils]: 27: Hoare triple {1106#true} assume ~Id_MCDC_108 % 4294967296 > ~Id_MCDC_109 % 4294967296;~Id_MCDC_135~0 := ~Id_MCDC_108;~Id_MCDC_136~0 := ~Id_MCDC_109; {1106#true} is VALID [2022-04-15 06:26:53,357 INFO L290 TraceCheckUtils]: 28: Hoare triple {1106#true} assume !!(0 != ~Id_MCDC_137~0 % 4294967296); {1106#true} is VALID [2022-04-15 06:26:53,357 INFO L272 TraceCheckUtils]: 29: Hoare triple {1106#true} call avoid_zero((if 0 != ~Id_MCDC_136~0 % 4294967296 then 1 else 0)); {1106#true} is VALID [2022-04-15 06:26:53,357 INFO L290 TraceCheckUtils]: 30: Hoare triple {1106#true} ~y := #in~y; {1106#true} is VALID [2022-04-15 06:26:53,357 INFO L290 TraceCheckUtils]: 31: Hoare triple {1106#true} assume !(0 == ~y); {1106#true} is VALID [2022-04-15 06:26:53,357 INFO L290 TraceCheckUtils]: 32: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-15 06:26:53,358 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1106#true} {1106#true} #374#return; {1106#true} is VALID [2022-04-15 06:26:53,358 INFO L272 TraceCheckUtils]: 34: Hoare triple {1106#true} call __VERIFIER_assert((if (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 >= 0 && (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 <= 4294967295 then 1 else 0)); {1121#(= |__VERIFIER_assert_#in~Id_MCDC_121| 1)} is VALID [2022-04-15 06:26:53,359 INFO L290 TraceCheckUtils]: 35: Hoare triple {1121#(= |__VERIFIER_assert_#in~Id_MCDC_121| 1)} ~Id_MCDC_121 := #in~Id_MCDC_121; {1122#(= __VERIFIER_assert_~Id_MCDC_121 1)} is VALID [2022-04-15 06:26:53,359 INFO L290 TraceCheckUtils]: 36: Hoare triple {1122#(= __VERIFIER_assert_~Id_MCDC_121 1)} assume 0 == ~Id_MCDC_121; {1107#false} is VALID [2022-04-15 06:26:53,359 INFO L290 TraceCheckUtils]: 37: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2022-04-15 06:26:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 06:26:53,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 06:26:53,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190038899] [2022-04-15 06:26:53,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190038899] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 06:26:53,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 06:26:53,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 06:26:53,361 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 06:26:53,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1558091690] [2022-04-15 06:26:53,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1558091690] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 06:26:53,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 06:26:53,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 06:26:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005291610] [2022-04-15 06:26:53,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 06:26:53,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-04-15 06:26:53,363 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 06:26:53,363 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 06:26:53,389 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:26:53,390 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 06:26:53,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 06:26:53,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 06:26:53,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 06:26:53,391 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 06:26:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:26:55,187 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-15 06:26:55,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 06:26:55,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-04-15 06:26:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 06:26:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 06:26:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2022-04-15 06:26:55,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 06:26:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2022-04-15 06:26:55,192 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 164 transitions. [2022-04-15 06:26:55,448 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:26:55,449 INFO L225 Difference]: With dead ends: 118 [2022-04-15 06:26:55,449 INFO L226 Difference]: Without dead ends: 0 [2022-04-15 06:26:55,450 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-04-15 06:26:55,450 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-15 06:26:55,451 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-15 06:26:55,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-15 06:26:55,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-15 06:26:55,452 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 06:26:55,452 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 06:26:55,452 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 06:26:55,452 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 06:26:55,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:26:55,452 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-15 06:26:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-15 06:26:55,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:26:55,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 06:26:55,453 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-15 06:26:55,453 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-15 06:26:55,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:26:55,453 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-15 06:26:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-15 06:26:55,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:26:55,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 06:26:55,453 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 06:26:55,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 06:26:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 06:26:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-15 06:26:55,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-04-15 06:26:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 06:26:55,454 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-15 06:26:55,454 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 06:26:55,454 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-15 06:26:55,454 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:26:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-15 06:26:55,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:26:55,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-15 06:26:55,457 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-15 06:26:55,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-15 06:26:55,881 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-15 06:26:55,881 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-15 06:26:55,881 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-15 06:26:55,881 INFO L885 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-04-15 06:26:55,881 INFO L885 garLoopResultBuilder]: At program point L322-1(line 322) the Hoare annotation is: true [2022-04-15 06:26:55,881 INFO L885 garLoopResultBuilder]: At program point L321-1(line 321) the Hoare annotation is: true [2022-04-15 06:26:55,881 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L315-1(line 315) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L313(lines 313 320) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L309(lines 309 312) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_115ENTRY(lines 356 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-04-15 06:26:55,882 INFO L885 garLoopResultBuilder]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L413-1(line 413) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L414(lines 414 417) the Hoare annotation is: true [2022-04-15 06:26:55,883 INFO L885 garLoopResultBuilder]: At program point L381(lines 381 422) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L343(lines 343 348) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L341-2(line 341) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L341-3(line 341) the Hoare annotation is: true [2022-04-15 06:26:55,884 INFO L885 garLoopResultBuilder]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L329(lines 329 332) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L336(lines 336 339) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L286(lines 286 294) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point L280(lines 280 294) the Hoare annotation is: true [2022-04-15 06:26:55,885 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L878 garLoopResultBuilder]: At program point L478(lines 478 481) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,886 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 452 484) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2022-04-15 06:26:55,886 INFO L878 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,886 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_117ENTRY(lines 425 444) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,886 INFO L878 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L430-1(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L433-2(lines 433 440) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L431-2(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-15 06:26:55,887 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,887 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_118ENTRY(lines 445 451) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-15 06:26:55,887 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-15 06:26:55,888 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-15 06:26:55,888 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-15 06:26:55,888 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-15 06:26:55,888 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-15 06:26:55,889 INFO L878 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-04-15 06:26:55,889 INFO L878 garLoopResultBuilder]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-15 06:26:55,889 INFO L878 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-15 06:26:55,889 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point L254(lines 254 257) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: true [2022-04-15 06:26:55,889 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L242-2(line 242) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L259-2(line 259) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L259-3(line 259) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L239-2(line 239) the Hoare annotation is: true [2022-04-15 06:26:55,890 INFO L885 garLoopResultBuilder]: At program point L227(lines 227 233) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L223(lines 223 226) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L236-2(line 236) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 266) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L245-2(line 245) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-15 06:26:55,891 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2022-04-15 06:26:55,894 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-15 06:26:55,895 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-15 06:26:55,897 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-15 06:26:55,897 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-15 06:26:55,901 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-15 06:26:55,902 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-15 06:26:55,902 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-15 06:26:55,904 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-15 06:26:55,909 INFO L163 areAnnotationChecker]: CFG has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-15 06:26:55,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 06:26:55 BoogieIcfgContainer [2022-04-15 06:26:55,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-15 06:26:55,925 INFO L158 Benchmark]: Toolchain (without parser) took 6207.13ms. Allocated memory was 202.4MB in the beginning and 314.6MB in the end (delta: 112.2MB). Free memory was 146.4MB in the beginning and 150.8MB in the end (delta: -4.4MB). Peak memory consumption was 109.0MB. Max. memory is 8.0GB. [2022-04-15 06:26:55,925 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 06:26:55,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.60ms. Allocated memory was 202.4MB in the beginning and 262.1MB in the end (delta: 59.8MB). Free memory was 146.2MB in the beginning and 223.9MB in the end (delta: -77.7MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-04-15 06:26:55,929 INFO L158 Benchmark]: Boogie Preprocessor took 100.31ms. Allocated memory is still 262.1MB. Free memory was 223.9MB in the beginning and 219.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-15 06:26:55,929 INFO L158 Benchmark]: RCFGBuilder took 690.05ms. Allocated memory is still 262.1MB. Free memory was 219.3MB in the beginning and 181.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-04-15 06:26:55,929 INFO L158 Benchmark]: TraceAbstraction took 5047.00ms. Allocated memory was 262.1MB in the beginning and 314.6MB in the end (delta: 52.4MB). Free memory was 180.9MB in the beginning and 150.8MB in the end (delta: 30.0MB). Peak memory consumption was 83.7MB. Max. memory is 8.0GB. [2022-04-15 06:26:55,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 365.60ms. Allocated memory was 202.4MB in the beginning and 262.1MB in the end (delta: 59.8MB). Free memory was 146.2MB in the beginning and 223.9MB in the end (delta: -77.7MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.31ms. Allocated memory is still 262.1MB. Free memory was 223.9MB in the beginning and 219.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 690.05ms. Allocated memory is still 262.1MB. Free memory was 219.3MB in the beginning and 181.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5047.00ms. Allocated memory was 262.1MB in the beginning and 314.6MB in the end (delta: 52.4MB). Free memory was 180.9MB in the beginning and 150.8MB in the end (delta: 30.0MB). Peak memory consumption was 83.7MB. 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: 5.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 353 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 127 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: \old(Id_MCDC_132) == Id_MCDC_132 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! [2022-04-15 06:26:55,962 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...