/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 21:10:28,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 21:10:28,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 21:10:28,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 21:10:28,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 21:10:28,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 21:10:28,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 21:10:28,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 21:10:28,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 21:10:28,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 21:10:28,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 21:10:28,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 21:10:28,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 21:10:28,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 21:10:28,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 21:10:28,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 21:10:28,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 21:10:28,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 21:10:28,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 21:10:28,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 21:10:28,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 21:10:28,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 21:10:28,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 21:10:28,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 21:10:28,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 21:10:28,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 21:10:28,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 21:10:28,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 21:10:28,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 21:10:28,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 21:10:28,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 21:10:28,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 21:10:28,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 21:10:28,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 21:10:28,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 21:10:28,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 21:10:28,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 21:10:28,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 21:10:28,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 21:10:28,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 21:10:28,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 21:10:28,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 21:10:28,623 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 21:10:28,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 21:10:28,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 21:10:28,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 21:10:28,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 21:10:28,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 21:10:28,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 21:10:28,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 21:10:28,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 21:10:28,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 21:10:28,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:10:28,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 21:10:28,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 21:10:28,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 21:10:28,627 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 21:10:28,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 21:10:28,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 21:10:28,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 21:10:28,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 21:10:28,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 21:10:28,832 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 21:10:28,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-01-31 21:10:28,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab25f2cbf/95aa15fbbd314eb8ac7d60f9a9bf258e/FLAGcb9ebc6a6 [2022-01-31 21:10:29,327 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 21:10:29,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-01-31 21:10:29,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab25f2cbf/95aa15fbbd314eb8ac7d60f9a9bf258e/FLAGcb9ebc6a6 [2022-01-31 21:10:29,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab25f2cbf/95aa15fbbd314eb8ac7d60f9a9bf258e [2022-01-31 21:10:29,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 21:10:29,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 21:10:29,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 21:10:29,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 21:10:29,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 21:10:29,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652e27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29, skipping insertion in model container [2022-01-31 21:10:29,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 21:10:29,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 21:10:29,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-01-31 21:10:29,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:10:29,675 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 21:10:29,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-01-31 21:10:29,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:10:29,728 INFO L208 MainTranslator]: Completed translation [2022-01-31 21:10:29,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29 WrapperNode [2022-01-31 21:10:29,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 21:10:29,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 21:10:29,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 21:10:29,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 21:10:29,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 21:10:29,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 21:10:29,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 21:10:29,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 21:10:29,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (1/1) ... [2022-01-31 21:10:29,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:10:29,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 21:10:29,826 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) [2022-01-31 21:10:29,832 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 [2022-01-31 21:10:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 21:10:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 21:10:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 21:10:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 21:10:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-01-31 21:10:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-01-31 21:10:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-01-31 21:10:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-01-31 21:10:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-01-31 21:10:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-01-31 21:10:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-01-31 21:10:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-01-31 21:10:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 21:10:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 21:10:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 21:10:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 21:10:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-01-31 21:10:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-31 21:10:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 21:10:30,031 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 21:10:30,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 21:10:30,390 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 21:10:30,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 21:10:30,395 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-31 21:10:30,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:10:30 BoogieIcfgContainer [2022-01-31 21:10:30,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 21:10:30,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 21:10:30,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 21:10:30,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 21:10:30,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:10:29" (1/3) ... [2022-01-31 21:10:30,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2050fd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:10:30, skipping insertion in model container [2022-01-31 21:10:30,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:29" (2/3) ... [2022-01-31 21:10:30,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2050fd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:10:30, skipping insertion in model container [2022-01-31 21:10:30,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:10:30" (3/3) ... [2022-01-31 21:10:30,410 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-01-31 21:10:30,413 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 21:10:30,413 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 21:10:30,444 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 21:10:30,449 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, 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, mLoopAccelerationTechnique=JORDAN [2022-01-31 21:10:30,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 21:10:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-31 21:10:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 21:10:30,467 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:10:30,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:10:30,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:10:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:10:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-01-31 21:10:30,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:10:30,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143551991] [2022-01-31 21:10:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:10:30,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:10:30,518 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:10:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:10:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-31 21:10:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 21:10:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:10:30,820 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:10:30,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143551991] [2022-01-31 21:10:30,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2143551991] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:10:30,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:10:30,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 21:10:30,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111207318] [2022-01-31 21:10:30,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:10:30,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 21:10:30,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:10:30,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 21:10:30,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 21:10:30,852 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 21:10:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:10:31,247 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-01-31 21:10:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 21:10:31,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-01-31 21:10:31,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:10:31,255 INFO L225 Difference]: With dead ends: 243 [2022-01-31 21:10:31,255 INFO L226 Difference]: Without dead ends: 119 [2022-01-31 21:10:31,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 21:10:31,261 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 21:10:31,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 21:10:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-01-31 21:10:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-01-31 21:10:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-31 21:10:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-01-31 21:10:31,353 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-01-31 21:10:31,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:10:31,354 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-01-31 21:10:31,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 21:10:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-01-31 21:10:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 21:10:31,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:10:31,360 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:10:31,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 21:10:31,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:10:31,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:10:31,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-01-31 21:10:31,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:10:31,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551464478] [2022-01-31 21:10:31,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:10:31,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:10:31,365 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:10:31,409 WARN L127 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-01-31 21:10:31,410 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-01-31 21:10:31,416 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 21:10:31,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 21:10:31,419 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 21:10:31,421 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 21:10:31,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:10:31 BoogieIcfgContainer [2022-01-31 21:10:31,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 21:10:31,436 INFO L158 Benchmark]: Toolchain (without parser) took 2084.47ms. Allocated memory was 183.5MB in the beginning and 254.8MB in the end (delta: 71.3MB). Free memory was 129.6MB in the beginning and 207.0MB in the end (delta: -77.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:10:31,437 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:10:31,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.31ms. Allocated memory was 183.5MB in the beginning and 254.8MB in the end (delta: 71.3MB). Free memory was 129.3MB in the beginning and 220.1MB in the end (delta: -90.8MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-01-31 21:10:31,437 INFO L158 Benchmark]: Boogie Preprocessor took 64.16ms. Allocated memory is still 254.8MB. Free memory was 220.1MB in the beginning and 216.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-31 21:10:31,438 INFO L158 Benchmark]: RCFGBuilder took 603.21ms. Allocated memory is still 254.8MB. Free memory was 216.4MB in the beginning and 185.5MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-01-31 21:10:31,438 INFO L158 Benchmark]: TraceAbstraction took 1037.96ms. Allocated memory is still 254.8MB. Free memory was 185.0MB in the beginning and 207.0MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:10:31,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 374.31ms. Allocated memory was 183.5MB in the beginning and 254.8MB in the end (delta: 71.3MB). Free memory was 129.3MB in the beginning and 220.1MB in the end (delta: -90.8MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.16ms. Allocated memory is still 254.8MB. Free memory was 220.1MB in the beginning and 216.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 603.21ms. Allocated memory is still 254.8MB. Free memory was 216.4MB in the beginning and 185.5MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1037.96ms. Allocated memory is still 254.8MB. Free memory was 185.0MB in the beginning and 207.0MB in the end (delta: -22.0MB). There was no memory consumed. 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 - UnprovableResult [Line: 463]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L181] unsigned int Id_MCDC_104; [L182] UINT16 Id_MCDC_105; [L183] UINT16 Id_MCDC_106; [L184] Od_IndexTable* Id_MCDC_107; [L185] Od_IndexTable* Id_MCDC_108; [L186] Od_IndexTable* Id_MCDC_109; [L187] Od_IndexTable* Id_MCDC_110; [L188] Od_IndexTable* Id_MCDC_111; [L189] UINT32 Id_MCDC_112 [4]; [L190] CanOpenNode Id_MCDC_113; [L191] UINT32 Id_MCDC_114=0; [L429] void * Id_MCDC_143; [L430] void * Id_MCDC_144; [L431] void * Id_MCDC_145; [L432] void * Id_MCDC_146; [L433] void * Id_MCDC_147; [L434] void * Id_MCDC_148; [L435] int Id_MCDC_149; [L436] int Id_MCDC_150; [L437] int Id_MCDC_151; [L438] int Id_MCDC_152; [L439] int Id_MCDC_153; [L440] int Id_MCDC_154; [L441] int Id_MCDC_155; [L442] short Id_MCDC_156; [L443] short Id_MCDC_157; [L444] FILE* Id_MCDC_158; [L445] unsigned short Id_MCDC_159; [L446] unsigned short Id_MCDC_160; [L447] unsigned short Id_MCDC_161=0; [L448] unsigned short Id_MCDC_162=0; [L449] char Id_MCDC_163; [L450] char Id_MCDC_164; [L451] Id_MCDC_158 = fopen("in.eds", "r") [L452] COND FALSE !(Id_MCDC_158 == (( void * ) 0)) [L457] CALL Id_MCDC_100() [L422] int Id_MCDC_141; [L423] void * Id_MCDC_142; [L424] CALL Id_MCDC_99() [L402] CHAR Id_MCDC_139 [4]={0, 0, 0, 0}; [L403] UINT32 Id_MCDC_140=0; [L404] Id_MCDC_113.Id_MCDC_66 = ( PDO_Buffer* ) malloc(372) [L405] CALL Id_MCDC_97() [L333] UINT32 Id_MCDC_123; [L334] UINT32 Id_MCDC_124; [L335] UINT32 Id_MCDC_125; [L336] UINT32 Id_MCDC_126; [L337] UINT32 Id_MCDC_127; [L338] UINT32 Id_MCDC_128=0x00; [L339] UINT16 Id_MCDC_129; [L340] UINT32 Id_MCDC_130=0x00; [L341] UINT32 Id_MCDC_131=0x00; [L342] UINT8 Id_MCDC_35=0; [L343] UINT8 Id_MCDC_132=0; [L344] UINT8 Id_MCDC_36=0; [L345] UINT8 Id_MCDC_133=0; [L346] UINT8 Id_MCDC_134=0x00; [L347] INT32 Id_MCDC_135; [L348] void * Id_MCDC_136; [L349] UINT32* Id_MCDC_137; [L350] UINT16 Id_MCDC_138; [L351] Id_MCDC_123 = 0x1800 [L352] Id_MCDC_132 = 0 [L352] COND FALSE !(Id_MCDC_132 < 4) [L356] COND FALSE !(Id_MCDC_123 <= 0x1803) [L398] return 0x00; [L338] UINT32 Id_MCDC_128=0x00; [L398] return 0x00; [L340] UINT32 Id_MCDC_130=0x00; [L398] return 0x00; [L341] UINT32 Id_MCDC_131=0x00; [L398] return 0x00; [L398] return 0x00; [L398] return 0x00; [L405] RET Id_MCDC_97() [L406] Id_MCDC_140 = 0 [L406] COND FALSE !(Id_MCDC_140 < 4) [L417] CALL Id_MCDC_95(4, Id_MCDC_139) [L282] UINT32 Id_MCDC_121=0; [L283] UINT32 Id_MCDC_122=0; [L284] COND FALSE !(Id_MCDC_93 < 2) [L288] COND FALSE !(Id_MCDC_93 != 2) [L294] EXPR Id_MCDC_94[1] [L294] Id_MCDC_122 = Id_MCDC_94[1] [L296] EXPR Id_MCDC_94[0] [L296] CALL Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122) [L251] UINT32 Id_MCDC_117=0; [L252] UINT32 Id_MCDC_118=0; [L253] UINT32 Id_MCDC_119=1; [L254] UINT32 Id_MCDC_120=0; [L255] COND TRUE Id_MCDC_90 > Id_MCDC_91 [L257] Id_MCDC_117 = Id_MCDC_90 [L258] Id_MCDC_118 = Id_MCDC_91 [L270] COND TRUE Id_MCDC_119 != 0 [L272] CALL avoid_zero(Id_MCDC_118 != 0) [L11] COND FALSE !(!y) [L272] RET avoid_zero(Id_MCDC_118 != 0) [L273] Id_MCDC_120 = ( UINT32 ) (Id_MCDC_117 / Id_MCDC_118) [L274] CALL __VERIFIER_assert(( long long ) (Id_MCDC_117 - (Id_MCDC_120 * Id_MCDC_118)) >= 0 && ( long long ) (Id_MCDC_117 - (Id_MCDC_120 * Id_MCDC_118)) <= 4294967295) [L461] COND TRUE ! (Id_MCDC_103) [L463] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 133 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 21:10:31,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...