/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_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 04:07:25,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 04:07:25,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 04:07:25,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 04:07:25,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 04:07:25,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 04:07:25,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 04:07:25,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 04:07:25,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 04:07:25,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 04:07:25,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 04:07:25,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 04:07:25,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 04:07:25,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 04:07:25,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 04:07:25,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 04:07:25,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 04:07:25,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 04:07:25,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 04:07:25,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 04:07:25,902 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 04:07:25,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 04:07:25,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 04:07:25,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 04:07:25,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 04:07:25,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-08 04:07:25,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-08 04:07:25,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-08 04:07:25,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-08 04:07:25,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-08 04:07:25,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-08 04:07:25,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-08 04:07:25,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-08 04:07:25,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-08 04:07:25,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-08 04:07:25,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-08 04:07:25,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-08 04:07:25,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-08 04:07:25,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-08 04:07:25,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 04:07:25,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 04:07:25,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 04:07:25,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 04:07:25,927 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 04:07:25,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 04:07:25,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 04:07:25,928 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 04:07:25,929 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 04:07:25,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 04:07:25,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 04:07:25,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 04:07:25,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 04:07:25,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 04:07:25,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 04:07:25,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 04:07:25,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:07:25,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 04:07:25,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 04:07:25,931 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 04:07:25,931 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 04:07:25,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 04:07:25,931 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 04:07:25,932 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 04:07:26,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 04:07:26,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 04:07:26,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 04:07:26,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 04:07:26,153 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 04:07:26,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-04-08 04:07:26,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790db7936/088cb1acc03e43d7a0571265140f5d65/FLAG8b5bc3d4d [2022-04-08 04:07:26,635 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 04:07:26,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-04-08 04:07:26,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790db7936/088cb1acc03e43d7a0571265140f5d65/FLAG8b5bc3d4d [2022-04-08 04:07:26,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790db7936/088cb1acc03e43d7a0571265140f5d65 [2022-04-08 04:07:26,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 04:07:26,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 04:07:26,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 04:07:26,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 04:07:26,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 04:07:26,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:07:26" (1/1) ... [2022-04-08 04:07:26,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e658900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:26, skipping insertion in model container [2022-04-08 04:07:26,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:07:26" (1/1) ... [2022-04-08 04:07:26,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 04:07:26,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 04:07:26,937 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_4.c[11358,11371] [2022-04-08 04:07:26,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:07:26,946 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 04:07:27,028 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_4.c[11358,11371] [2022-04-08 04:07:27,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:07:27,045 INFO L208 MainTranslator]: Completed translation [2022-04-08 04:07:27,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27 WrapperNode [2022-04-08 04:07:27,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 04:07:27,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 04:07:27,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 04:07:27,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 04:07:27,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 04:07:27,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 04:07:27,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 04:07:27,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 04:07:27,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (1/1) ... [2022-04-08 04:07:27,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:07:27,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:07:27,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-08 04:07:27,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-08 04:07:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 04:07:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 04:07:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 04:07:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 04:07:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 04:07:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 04:07:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 04:07:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 04:07:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 04:07:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-08 04:07:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-08 04:07:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 04:07:27,346 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 04:07:27,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 04:07:27,834 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 04:07:27,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 04:07:27,847 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-08 04:07:27,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:07:27 BoogieIcfgContainer [2022-04-08 04:07:27,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 04:07:27,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 04:07:27,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 04:07:27,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 04:07:27,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 04:07:26" (1/3) ... [2022-04-08 04:07:27,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75168a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:07:27, skipping insertion in model container [2022-04-08 04:07:27,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:27" (2/3) ... [2022-04-08 04:07:27,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75168a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:07:27, skipping insertion in model container [2022-04-08 04:07:27,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:07:27" (3/3) ... [2022-04-08 04:07:27,858 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2022-04-08 04:07:27,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 04:07:27,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 04:07:27,894 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 04:07:27,899 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-08 04:07:27,899 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 04:07:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-08 04:07:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-08 04:07:27,924 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:27,925 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 04:07:27,925 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:27,929 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 1 times [2022-04-08 04:07:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:27,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1214483734] [2022-04-08 04:07:27,943 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:27,943 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 2 times [2022-04-08 04:07:27,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:27,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878310092] [2022-04-08 04:07:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:27,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:07:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:28,335 INFO L290 TraceCheckUtils]: 0: Hoare triple {152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,335 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 04:07:28,336 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {132#true} {132#true} #393#return; {132#true} is VALID [2022-04-08 04:07:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 04:07:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:28,389 INFO L290 TraceCheckUtils]: 0: Hoare triple {153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,389 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume !(~Id_MCDC_132~0 % 256 < 4); {132#true} is VALID [2022-04-08 04:07:28,389 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {132#true} is VALID [2022-04-08 04:07:28,390 INFO L290 TraceCheckUtils]: 3: Hoare triple {132#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {132#true} is VALID [2022-04-08 04:07:28,390 INFO L290 TraceCheckUtils]: 4: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 04:07:28,390 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {132#true} {132#true} #371#return; {132#true} is VALID [2022-04-08 04:07:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-08 04:07:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:28,406 INFO L290 TraceCheckUtils]: 0: Hoare triple {132#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,407 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {132#true} is VALID [2022-04-08 04:07:28,407 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {132#true} is VALID [2022-04-08 04:07:28,408 INFO L290 TraceCheckUtils]: 3: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 04:07:28,408 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {132#true} {132#true} #387#return; {132#true} is VALID [2022-04-08 04:07:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-04-08 04:07:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:28,417 INFO L290 TraceCheckUtils]: 0: Hoare triple {132#true} ~y := #in~y; {132#true} is VALID [2022-04-08 04:07:28,419 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume 0 == ~y;assume false; {133#false} is VALID [2022-04-08 04:07:28,419 INFO L290 TraceCheckUtils]: 2: Hoare triple {133#false} assume true; {133#false} is VALID [2022-04-08 04:07:28,419 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {133#false} {132#true} #389#return; {133#false} is VALID [2022-04-08 04:07:28,422 INFO L272 TraceCheckUtils]: 0: Hoare triple {132#true} call ULTIMATE.init(); {152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:07:28,422 INFO L290 TraceCheckUtils]: 1: Hoare triple {152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,423 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 04:07:28,424 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {132#true} {132#true} #393#return; {132#true} is VALID [2022-04-08 04:07:28,424 INFO L272 TraceCheckUtils]: 4: Hoare triple {132#true} call #t~ret65 := main(); {132#true} is VALID [2022-04-08 04:07:28,424 INFO L290 TraceCheckUtils]: 5: Hoare triple {132#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret64.base, #t~ret64.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret64.base, #t~ret64.offset;havoc #t~ret64.base, #t~ret64.offset; {132#true} is VALID [2022-04-08 04:07:28,424 INFO L290 TraceCheckUtils]: 6: Hoare triple {132#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {132#true} is VALID [2022-04-08 04:07:28,424 INFO L272 TraceCheckUtils]: 7: Hoare triple {132#true} call Id_MCDC_100(); {132#true} is VALID [2022-04-08 04:07:28,425 INFO L290 TraceCheckUtils]: 8: Hoare triple {132#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {132#true} is VALID [2022-04-08 04:07:28,425 INFO L272 TraceCheckUtils]: 9: Hoare triple {132#true} call Id_MCDC_99(); {132#true} is VALID [2022-04-08 04:07:28,425 INFO L290 TraceCheckUtils]: 10: Hoare triple {132#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc53.base, #t~malloc53.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc53.base, #t~malloc53.offset, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);havoc #t~malloc53.base, #t~malloc53.offset; {132#true} is VALID [2022-04-08 04:07:28,426 INFO L272 TraceCheckUtils]: 11: Hoare triple {132#true} call #t~ret54 := Id_MCDC_97(); {153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-08 04:07:28,427 INFO L290 TraceCheckUtils]: 12: Hoare triple {153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,427 INFO L290 TraceCheckUtils]: 13: Hoare triple {132#true} assume !(~Id_MCDC_132~0 % 256 < 4); {132#true} is VALID [2022-04-08 04:07:28,427 INFO L290 TraceCheckUtils]: 14: Hoare triple {132#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {132#true} is VALID [2022-04-08 04:07:28,428 INFO L290 TraceCheckUtils]: 15: Hoare triple {132#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {132#true} is VALID [2022-04-08 04:07:28,428 INFO L290 TraceCheckUtils]: 16: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 04:07:28,428 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {132#true} {132#true} #371#return; {132#true} is VALID [2022-04-08 04:07:28,428 INFO L290 TraceCheckUtils]: 18: Hoare triple {132#true} havoc #t~ret54;~Id_MCDC_140~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,428 INFO L290 TraceCheckUtils]: 19: Hoare triple {132#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {132#true} is VALID [2022-04-08 04:07:28,429 INFO L272 TraceCheckUtils]: 20: Hoare triple {132#true} call #t~ret63 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {132#true} is VALID [2022-04-08 04:07:28,429 INFO L290 TraceCheckUtils]: 21: Hoare triple {132#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,429 INFO L290 TraceCheckUtils]: 22: Hoare triple {132#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {132#true} is VALID [2022-04-08 04:07:28,429 INFO L290 TraceCheckUtils]: 23: Hoare triple {132#true} assume 2 != ~Id_MCDC_93 % 4294967296; {132#true} is VALID [2022-04-08 04:07:28,430 INFO L272 TraceCheckUtils]: 24: Hoare triple {132#true} call #t~ret18 := Id_MCDC_95(~Id_MCDC_93 - 1, ~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset); {132#true} is VALID [2022-04-08 04:07:28,430 INFO L290 TraceCheckUtils]: 25: Hoare triple {132#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,430 INFO L290 TraceCheckUtils]: 26: Hoare triple {132#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {132#true} is VALID [2022-04-08 04:07:28,430 INFO L290 TraceCheckUtils]: 27: Hoare triple {132#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {132#true} is VALID [2022-04-08 04:07:28,430 INFO L290 TraceCheckUtils]: 28: Hoare triple {132#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {132#true} is VALID [2022-04-08 04:07:28,430 INFO L272 TraceCheckUtils]: 29: Hoare triple {132#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {132#true} is VALID [2022-04-08 04:07:28,431 INFO L290 TraceCheckUtils]: 30: Hoare triple {132#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {132#true} is VALID [2022-04-08 04:07:28,431 INFO L290 TraceCheckUtils]: 31: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {132#true} is VALID [2022-04-08 04:07:28,431 INFO L290 TraceCheckUtils]: 32: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {132#true} is VALID [2022-04-08 04:07:28,431 INFO L290 TraceCheckUtils]: 33: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 04:07:28,469 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {132#true} {132#true} #387#return; {132#true} is VALID [2022-04-08 04:07:28,470 INFO L290 TraceCheckUtils]: 35: Hoare triple {132#true} ~Id_MCDC_121~0 := #t~ret21;havoc #t~mem20;havoc #t~ret21; {132#true} is VALID [2022-04-08 04:07:28,470 INFO L272 TraceCheckUtils]: 36: Hoare triple {132#true} call avoid_zero((if 0 != ~Id_MCDC_121~0 % 4294967296 then 1 else 0)); {132#true} is VALID [2022-04-08 04:07:28,470 INFO L290 TraceCheckUtils]: 37: Hoare triple {132#true} ~y := #in~y; {132#true} is VALID [2022-04-08 04:07:28,473 INFO L290 TraceCheckUtils]: 38: Hoare triple {132#true} assume 0 == ~y;assume false; {133#false} is VALID [2022-04-08 04:07:28,473 INFO L290 TraceCheckUtils]: 39: Hoare triple {133#false} assume true; {133#false} is VALID [2022-04-08 04:07:28,473 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {133#false} {132#true} #389#return; {133#false} is VALID [2022-04-08 04:07:28,474 INFO L290 TraceCheckUtils]: 41: Hoare triple {133#false} call #t~mem22 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := (if #t~mem22 * ~Id_MCDC_122~0 % 4294967296 < 0 && 0 != #t~mem22 * ~Id_MCDC_122~0 % 4294967296 % (~Id_MCDC_121~0 % 4294967296) then (if ~Id_MCDC_121~0 % 4294967296 < 0 then #t~mem22 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296) - 1 else 1 + #t~mem22 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) else #t~mem22 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) % 4294967296 >= 0; {133#false} is VALID [2022-04-08 04:07:28,474 INFO L290 TraceCheckUtils]: 42: Hoare triple {133#false} assume #t~short24;call #t~mem23 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := (if #t~mem23 * ~Id_MCDC_122~0 % 4294967296 < 0 && 0 != #t~mem23 * ~Id_MCDC_122~0 % 4294967296 % (~Id_MCDC_121~0 % 4294967296) then (if ~Id_MCDC_121~0 % 4294967296 < 0 then #t~mem23 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296) - 1 else 1 + #t~mem23 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) else #t~mem23 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) % 4294967296 <= 4294967295; {133#false} is VALID [2022-04-08 04:07:28,474 INFO L272 TraceCheckUtils]: 43: Hoare triple {133#false} call __VERIFIER_assert((if #t~short24 then 1 else 0)); {133#false} is VALID [2022-04-08 04:07:28,475 INFO L290 TraceCheckUtils]: 44: Hoare triple {133#false} ~Id_MCDC_103 := #in~Id_MCDC_103; {133#false} is VALID [2022-04-08 04:07:28,475 INFO L290 TraceCheckUtils]: 45: Hoare triple {133#false} assume 0 == ~Id_MCDC_103; {133#false} is VALID [2022-04-08 04:07:28,475 INFO L290 TraceCheckUtils]: 46: Hoare triple {133#false} assume !false; {133#false} is VALID [2022-04-08 04:07:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-08 04:07:28,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:28,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878310092] [2022-04-08 04:07:28,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878310092] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:28,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:28,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:28,482 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:28,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1214483734] [2022-04-08 04:07:28,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1214483734] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:28,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:28,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491255093] [2022-04-08 04:07:28,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:28,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-04-08 04:07:28,494 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:28,498 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:28,559 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:28,559 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 04:07:28,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:28,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 04:07:28,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 04:07:28,596 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 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 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:29,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:29,659 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-04-08 04:07:29,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 04:07:29,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-04-08 04:07:29,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 367 transitions. [2022-04-08 04:07:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:29,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 367 transitions. [2022-04-08 04:07:29,677 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 367 transitions. [2022-04-08 04:07:30,109 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 367 edges. 367 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:30,123 INFO L225 Difference]: With dead ends: 245 [2022-04-08 04:07:30,123 INFO L226 Difference]: Without dead ends: 120 [2022-04-08 04:07:30,129 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-08 04:07:30,131 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 04:07:30,133 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 04:07:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-04-08 04:07:30,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-04-08 04:07:30,188 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:30,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:30,190 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:30,190 INFO L87 Difference]: Start difference. First operand 120 states. Second operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:30,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:30,196 INFO L93 Difference]: Finished difference Result 120 states and 167 transitions. [2022-04-08 04:07:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-08 04:07:30,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:30,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:30,198 INFO L74 IsIncluded]: Start isIncluded. First operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 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 120 states. [2022-04-08 04:07:30,198 INFO L87 Difference]: Start difference. First operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 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 120 states. [2022-04-08 04:07:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:30,207 INFO L93 Difference]: Finished difference Result 120 states and 167 transitions. [2022-04-08 04:07:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-08 04:07:30,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:30,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:30,208 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:30,208 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 04:07:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-04-08 04:07:30,218 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-04-08 04:07:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:30,218 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-04-08 04:07:30,219 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:30,219 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 120 states and 167 transitions. [2022-04-08 04:07:30,472 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-08 04:07:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 04:07:30,478 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:30,478 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 04:07:30,478 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 04:07:30,478 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:30,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:30,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2022-04-08 04:07:30,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:30,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1233662112] [2022-04-08 04:07:30,479 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:30,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 2 times [2022-04-08 04:07:30,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:30,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786164293] [2022-04-08 04:07:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:30,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:07:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:30,648 INFO L290 TraceCheckUtils]: 0: Hoare triple {1152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,649 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,649 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1129#true} {1129#true} #393#return; {1129#true} is VALID [2022-04-08 04:07:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 04:07:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:30,671 INFO L290 TraceCheckUtils]: 0: Hoare triple {1153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,672 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume !(~Id_MCDC_132~0 % 256 < 4); {1129#true} is VALID [2022-04-08 04:07:30,672 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {1129#true} is VALID [2022-04-08 04:07:30,672 INFO L290 TraceCheckUtils]: 3: Hoare triple {1129#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {1129#true} is VALID [2022-04-08 04:07:30,672 INFO L290 TraceCheckUtils]: 4: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,672 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1129#true} {1129#true} #371#return; {1129#true} is VALID [2022-04-08 04:07:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-04-08 04:07:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:30,678 INFO L290 TraceCheckUtils]: 0: Hoare triple {1129#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,679 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {1129#true} is VALID [2022-04-08 04:07:30,679 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {1129#true} is VALID [2022-04-08 04:07:30,679 INFO L290 TraceCheckUtils]: 3: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,679 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1129#true} {1129#true} #387#return; {1129#true} is VALID [2022-04-08 04:07:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-08 04:07:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:30,682 INFO L290 TraceCheckUtils]: 0: Hoare triple {1129#true} ~y := #in~y; {1129#true} is VALID [2022-04-08 04:07:30,683 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume !(0 == ~y); {1129#true} is VALID [2022-04-08 04:07:30,683 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,683 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1129#true} {1129#true} #389#return; {1129#true} is VALID [2022-04-08 04:07:30,685 INFO L272 TraceCheckUtils]: 0: Hoare triple {1129#true} call ULTIMATE.init(); {1152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:07:30,685 INFO L290 TraceCheckUtils]: 1: Hoare triple {1152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1129#true} {1129#true} #393#return; {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L272 TraceCheckUtils]: 4: Hoare triple {1129#true} call #t~ret65 := main(); {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L290 TraceCheckUtils]: 5: Hoare triple {1129#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret64.base, #t~ret64.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret64.base, #t~ret64.offset;havoc #t~ret64.base, #t~ret64.offset; {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L290 TraceCheckUtils]: 6: Hoare triple {1129#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L272 TraceCheckUtils]: 7: Hoare triple {1129#true} call Id_MCDC_100(); {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L290 TraceCheckUtils]: 8: Hoare triple {1129#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L272 TraceCheckUtils]: 9: Hoare triple {1129#true} call Id_MCDC_99(); {1129#true} is VALID [2022-04-08 04:07:30,686 INFO L290 TraceCheckUtils]: 10: Hoare triple {1129#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc53.base, #t~malloc53.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc53.base, #t~malloc53.offset, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);havoc #t~malloc53.base, #t~malloc53.offset; {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L272 TraceCheckUtils]: 11: Hoare triple {1129#true} call #t~ret54 := Id_MCDC_97(); {1153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-08 04:07:30,690 INFO L290 TraceCheckUtils]: 12: Hoare triple {1153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L290 TraceCheckUtils]: 13: Hoare triple {1129#true} assume !(~Id_MCDC_132~0 % 256 < 4); {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L290 TraceCheckUtils]: 14: Hoare triple {1129#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L290 TraceCheckUtils]: 15: Hoare triple {1129#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L290 TraceCheckUtils]: 16: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1129#true} {1129#true} #371#return; {1129#true} is VALID [2022-04-08 04:07:30,690 INFO L290 TraceCheckUtils]: 18: Hoare triple {1129#true} havoc #t~ret54;~Id_MCDC_140~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 19: Hoare triple {1129#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L272 TraceCheckUtils]: 20: Hoare triple {1129#true} call #t~ret63 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 21: Hoare triple {1129#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 22: Hoare triple {1129#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 23: Hoare triple {1129#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 24: Hoare triple {1129#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L272 TraceCheckUtils]: 25: Hoare triple {1129#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 26: Hoare triple {1129#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {1129#true} is VALID [2022-04-08 04:07:30,691 INFO L290 TraceCheckUtils]: 27: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L290 TraceCheckUtils]: 28: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L290 TraceCheckUtils]: 29: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1129#true} {1129#true} #387#return; {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L290 TraceCheckUtils]: 31: Hoare triple {1129#true} ~Id_MCDC_121~0 := #t~ret21;havoc #t~mem20;havoc #t~ret21; {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L272 TraceCheckUtils]: 32: Hoare triple {1129#true} call avoid_zero((if 0 != ~Id_MCDC_121~0 % 4294967296 then 1 else 0)); {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L290 TraceCheckUtils]: 33: Hoare triple {1129#true} ~y := #in~y; {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L290 TraceCheckUtils]: 34: Hoare triple {1129#true} assume !(0 == ~y); {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L290 TraceCheckUtils]: 35: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 04:07:30,692 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {1129#true} {1129#true} #389#return; {1129#true} is VALID [2022-04-08 04:07:30,693 INFO L290 TraceCheckUtils]: 37: Hoare triple {1129#true} call #t~mem22 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := (if #t~mem22 * ~Id_MCDC_122~0 % 4294967296 < 0 && 0 != #t~mem22 * ~Id_MCDC_122~0 % 4294967296 % (~Id_MCDC_121~0 % 4294967296) then (if ~Id_MCDC_121~0 % 4294967296 < 0 then #t~mem22 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296) - 1 else 1 + #t~mem22 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) else #t~mem22 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) % 4294967296 >= 0; {1129#true} is VALID [2022-04-08 04:07:30,694 INFO L290 TraceCheckUtils]: 38: Hoare triple {1129#true} assume #t~short24;call #t~mem23 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := (if #t~mem23 * ~Id_MCDC_122~0 % 4294967296 < 0 && 0 != #t~mem23 * ~Id_MCDC_122~0 % 4294967296 % (~Id_MCDC_121~0 % 4294967296) then (if ~Id_MCDC_121~0 % 4294967296 < 0 then #t~mem23 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296) - 1 else 1 + #t~mem23 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) else #t~mem23 * ~Id_MCDC_122~0 % 4294967296 / (~Id_MCDC_121~0 % 4294967296)) % 4294967296 <= 4294967295; {1149#|Id_MCDC_95_#t~short24|} is VALID [2022-04-08 04:07:30,694 INFO L272 TraceCheckUtils]: 39: Hoare triple {1149#|Id_MCDC_95_#t~short24|} call __VERIFIER_assert((if #t~short24 then 1 else 0)); {1150#(not (= |__VERIFIER_assert_#in~Id_MCDC_103| 0))} is VALID [2022-04-08 04:07:30,695 INFO L290 TraceCheckUtils]: 40: Hoare triple {1150#(not (= |__VERIFIER_assert_#in~Id_MCDC_103| 0))} ~Id_MCDC_103 := #in~Id_MCDC_103; {1151#(not (= __VERIFIER_assert_~Id_MCDC_103 0))} is VALID [2022-04-08 04:07:30,695 INFO L290 TraceCheckUtils]: 41: Hoare triple {1151#(not (= __VERIFIER_assert_~Id_MCDC_103 0))} assume 0 == ~Id_MCDC_103; {1130#false} is VALID [2022-04-08 04:07:30,695 INFO L290 TraceCheckUtils]: 42: Hoare triple {1130#false} assume !false; {1130#false} is VALID [2022-04-08 04:07:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 04:07:30,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:30,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786164293] [2022-04-08 04:07:30,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786164293] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:30,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:30,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 04:07:30,696 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:30,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1233662112] [2022-04-08 04:07:30,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1233662112] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:30,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:30,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 04:07:30,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101048383] [2022-04-08 04:07:30,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:30,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-04-08 04:07:30,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:30,698 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:30,728 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:30,728 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 04:07:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:30,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 04:07:30,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-08 04:07:30,729 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:33,065 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-04-08 04:07:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 04:07:33,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-04-08 04:07:33,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 201 transitions. [2022-04-08 04:07:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 201 transitions. [2022-04-08 04:07:33,071 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 201 transitions. [2022-04-08 04:07:33,362 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:33,362 INFO L225 Difference]: With dead ends: 148 [2022-04-08 04:07:33,363 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 04:07:33,364 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-04-08 04:07:33,365 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-08 04:07:33,365 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-08 04:07:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 04:07:33,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 04:07:33,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:33,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 04:07:33,367 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 04:07:33,368 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 04:07:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:33,368 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:33,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:33,368 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:33,368 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-08 04:07:33,368 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-08 04:07:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:33,368 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:33,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:33,369 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:33,369 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:33,369 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 04:07:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 04:07:33,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-04-08 04:07:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:33,369 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 04:07:33,370 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 04:07:33,370 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-08 04:07:33,370 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:33,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:33,373 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 04:07:33,374 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-08 04:07:33,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 04:07:33,792 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-08 04:07:33,792 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-08 04:07:33,792 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-08 04:07:33,792 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-04-08 04:07:33,792 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-04-08 04:07:33,792 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-04-08 04:07:33,792 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-04-08 04:07:33,792 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-04-08 04:07:33,793 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-04-08 04:07:33,794 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-04-08 04:07:33,794 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:33,794 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-04-08 04:07:33,798 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L878 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-04-08 04:07:33,799 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-04-08 04:07:33,800 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,800 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,800 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,800 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,800 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,800 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,801 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-04-08 04:07:33,801 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,801 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,801 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,801 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,801 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:33,801 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-04-08 04:07:33,801 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:33,801 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-08 04:07:33,801 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:33,801 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:33,801 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-04-08 04:07:33,801 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:33,802 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L878 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-04-08 04:07:33,803 INFO L878 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-08 04:07:33,803 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L878 garLoopResultBuilder]: At program point L298-3(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-04-08 04:07:33,804 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 04:07:33,805 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:33,806 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:33,806 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-08 04:07:33,806 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:33,806 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:33,806 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-04-08 04:07:33,806 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-04-08 04:07:33,806 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-08 04:07:33,806 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-08 04:07:33,806 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-08 04:07:33,806 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-04-08 04:07:33,809 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 04:07:33,809 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 04:07:33,813 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 04:07:33,814 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 04:07:33,816 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 04:07:33,817 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:33,817 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:33,818 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-08 04:07:33,823 INFO L163 areAnnotationChecker]: CFG has 186 edges. 186 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 04:07:33,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 04:07:33 BoogieIcfgContainer [2022-04-08 04:07:33,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 04:07:33,832 INFO L158 Benchmark]: Toolchain (without parser) took 7174.12ms. Allocated memory was 170.9MB in the beginning and 286.3MB in the end (delta: 115.3MB). Free memory was 118.2MB in the beginning and 118.8MB in the end (delta: -652.5kB). Peak memory consumption was 115.0MB. Max. memory is 8.0GB. [2022-04-08 04:07:33,832 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory was 135.4MB in the beginning and 135.2MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 04:07:33,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.32ms. Allocated memory was 170.9MB in the beginning and 224.4MB in the end (delta: 53.5MB). Free memory was 118.0MB in the beginning and 190.4MB in the end (delta: -72.3MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-04-08 04:07:33,832 INFO L158 Benchmark]: Boogie Preprocessor took 81.02ms. Allocated memory is still 224.4MB. Free memory was 190.4MB in the beginning and 185.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-08 04:07:33,833 INFO L158 Benchmark]: RCFGBuilder took 720.91ms. Allocated memory is still 224.4MB. Free memory was 185.7MB in the beginning and 147.5MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-04-08 04:07:33,833 INFO L158 Benchmark]: TraceAbstraction took 5977.37ms. Allocated memory was 224.4MB in the beginning and 286.3MB in the end (delta: 61.9MB). Free memory was 146.9MB in the beginning and 118.8MB in the end (delta: 28.1MB). Peak memory consumption was 91.6MB. Max. memory is 8.0GB. [2022-04-08 04:07:33,834 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 0.11ms. Allocated memory is still 170.9MB. Free memory was 135.4MB in the beginning and 135.2MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.32ms. Allocated memory was 170.9MB in the beginning and 224.4MB in the end (delta: 53.5MB). Free memory was 118.0MB in the beginning and 190.4MB in the end (delta: -72.3MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.02ms. Allocated memory is still 224.4MB. Free memory was 190.4MB in the beginning and 185.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 720.91ms. Allocated memory is still 224.4MB. Free memory was 185.7MB in the beginning and 147.5MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5977.37ms. Allocated memory was 224.4MB in the beginning and 286.3MB in the end (delta: 61.9MB). Free memory was 146.9MB in the beginning and 118.8MB in the end (delta: 28.1MB). Peak memory consumption was 91.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 252 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 129 LocationsWithAnnotation, 455 PreInvPairs, 572 NumberOfFragments, 353 HoareAnnotationTreeSize, 455 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 129 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: !(Id_MCDC_103 == 0) || \old(Id_MCDC_103) == 0 RESULT: Ultimate proved your program to be correct! [2022-04-08 04:07:33,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...