/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/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:00:49,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:00:49,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:00:49,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:00:49,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:00:49,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:00:49,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:00:49,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:00:49,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:00:49,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:00:49,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:00:49,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:00:49,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:00:49,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:00:49,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:00:49,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:00:49,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:00:49,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:00:49,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:00:49,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:00:49,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:00:49,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:00:49,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:00:49,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:00:49,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 04:00:49,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 04:00:49,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 04:00:49,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 04:00:49,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 04:00:49,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 04:00:49,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 04:00:49,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 04:00:49,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 04:00:49,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 04:00:49,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 04:00:49,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 04:00:49,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 04:00:49,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 04:00:49,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:00:49,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:00:49,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:00:49,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:00:49,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:00:49,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:00:49,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:00:49,608 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:00:49,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:00:49,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:00:49,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:00:49,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:00:49,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:00:49,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:00:49,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:00:49,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:00:49,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:00:49,610 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:00:49,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:00:49,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:00:49,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:00:49,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:00:49,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:00:49,841 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:00:49,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-02-15 04:00:49,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b86e29e5/2406864dc19b4c2bad2677e5012caf64/FLAG74ae2591e [2022-02-15 04:00:50,249 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:00:50,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-02-15 04:00:50,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b86e29e5/2406864dc19b4c2bad2677e5012caf64/FLAG74ae2591e [2022-02-15 04:00:50,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b86e29e5/2406864dc19b4c2bad2677e5012caf64 [2022-02-15 04:00:50,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:00:50,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:00:50,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:00:50,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:00:50,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:00:50,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b3c225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50, skipping insertion in model container [2022-02-15 04:00:50,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:00:50,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:00:50,582 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] [2022-02-15 04:00:50,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:00:50,594 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:00:50,652 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] [2022-02-15 04:00:50,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:00:50,666 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:00:50,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50 WrapperNode [2022-02-15 04:00:50,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:00:50,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:00:50,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:00:50,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:00:50,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:00:50,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:00:50,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:00:50,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:00:50,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (1/1) ... [2022-02-15 04:00:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:00:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:00:50,784 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) [2022-02-15 04:00:50,801 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 [2022-02-15 04:00:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-02-15 04:00:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-02-15 04:00:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-02-15 04:00:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:00:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-02-15 04:00:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:00:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-15 04:00:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:00:50,905 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:00:50,906 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:00:51,293 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:00:51,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:00:51,298 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-15 04:00:51,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:00:51 BoogieIcfgContainer [2022-02-15 04:00:51,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:00:51,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:00:51,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:00:51,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:00:51,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:00:50" (1/3) ... [2022-02-15 04:00:51,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cbfe8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:00:51, skipping insertion in model container [2022-02-15 04:00:51,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:50" (2/3) ... [2022-02-15 04:00:51,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cbfe8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:00:51, skipping insertion in model container [2022-02-15 04:00:51,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:00:51" (3/3) ... [2022-02-15 04:00:51,307 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-02-15 04:00:51,310 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:00:51,310 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:00:51,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:00:51,346 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=QVASR [2022-02-15 04:00:51,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:00:51,363 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) [2022-02-15 04:00:51,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 04:00:51,371 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:00:51,372 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] [2022-02-15 04:00:51,372 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:00:51,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:00:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-02-15 04:00:51,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:00:51,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513255501] [2022-02-15 04:00:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:00:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:00:51,426 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:00:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:00:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-15 04:00:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-15 04:00:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:00:51,781 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:00:51,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513255501] [2022-02-15 04:00:51,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [513255501] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:00:51,783 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:00:51,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:00:51,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324016564] [2022-02-15 04:00:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:00:51,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:00:51,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:00:51,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:00:51,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:00:51,807 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) [2022-02-15 04:00:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:00:52,186 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-02-15 04:00:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:00:52,188 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 [2022-02-15 04:00:52,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:00:52,197 INFO L225 Difference]: With dead ends: 243 [2022-02-15 04:00:52,197 INFO L226 Difference]: Without dead ends: 119 [2022-02-15 04:00:52,203 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 [2022-02-15 04:00:52,208 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 [2022-02-15 04:00:52,208 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] [2022-02-15 04:00:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-15 04:00:52,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-02-15 04:00:52,250 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) [2022-02-15 04:00:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-02-15 04:00:52,253 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-02-15 04:00:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:00:52,253 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-02-15 04:00:52,253 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) [2022-02-15 04:00:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-02-15 04:00:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 04:00:52,255 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:00:52,255 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] [2022-02-15 04:00:52,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:00:52,255 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:00:52,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:00:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-02-15 04:00:52,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:00:52,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413046676] [2022-02-15 04:00:52,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:00:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:00:52,258 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:00:52,281 WARN L132 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-02-15 04:00:52,281 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-02-15 04:00:52,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 04:00:52,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:00:52,288 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-15 04:00:52,290 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 04:00:52,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 04:00:52 BoogieIcfgContainer [2022-02-15 04:00:52,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 04:00:52,301 INFO L158 Benchmark]: Toolchain (without parser) took 2024.00ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 116.8MB in the beginning and 111.3MB in the end (delta: 5.5MB). Peak memory consumption was 42.3MB. Max. memory is 8.0GB. [2022-02-15 04:00:52,301 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 04:00:52,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.18ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 116.5MB in the beginning and 175.6MB in the end (delta: -59.2MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-02-15 04:00:52,302 INFO L158 Benchmark]: Boogie Preprocessor took 71.08ms. Allocated memory is still 209.7MB. Free memory was 175.6MB in the beginning and 172.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 04:00:52,302 INFO L158 Benchmark]: RCFGBuilder took 544.06ms. Allocated memory is still 209.7MB. Free memory was 172.5MB in the beginning and 142.1MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-15 04:00:52,302 INFO L158 Benchmark]: TraceAbstraction took 999.55ms. Allocated memory is still 209.7MB. Free memory was 141.6MB in the beginning and 111.3MB in the end (delta: 30.3MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. [2022-02-15 04:00:52,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 388.18ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 116.5MB in the beginning and 175.6MB in the end (delta: -59.2MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.08ms. Allocated memory is still 209.7MB. Free memory was 175.6MB in the beginning and 172.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 544.06ms. Allocated memory is still 209.7MB. Free memory was 172.5MB in the beginning and 142.1MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 999.55ms. Allocated memory is still 209.7MB. Free memory was 141.6MB in the beginning and 111.3MB in the end (delta: 30.3MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 0.0s 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 [2022-02-15 04:00:52,344 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...