./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 658fb86b778ce736cacc34b3e32f0de13d67d4be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:49:07,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:49:07,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:49:07,587 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:49:07,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:49:07,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:49:07,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:49:07,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:49:07,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:49:07,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:49:07,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:49:07,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:49:07,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:49:07,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:49:07,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:49:07,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:49:07,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:49:07,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:49:07,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:49:07,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:49:07,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:49:07,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:49:07,608 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:49:07,608 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:49:07,608 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:49:07,609 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:49:07,610 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:49:07,611 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:49:07,612 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:49:07,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:49:07,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:49:07,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:49:07,614 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:49:07,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:49:07,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:49:07,616 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:49:07,616 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 10:49:07,628 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:49:07,628 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:49:07,629 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:49:07,629 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 10:49:07,630 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:49:07,630 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:49:07,630 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:49:07,631 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:49:07,631 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:49:07,631 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:49:07,631 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:49:07,631 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:49:07,631 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:49:07,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:49:07,632 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:49:07,632 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:49:07,632 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:49:07,632 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:49:07,632 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:49:07,632 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:49:07,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:49:07,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:49:07,633 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:49:07,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:49:07,633 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:49:07,633 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:49:07,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:49:07,634 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:49:07,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:49:07,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:49:07,634 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658fb86b778ce736cacc34b3e32f0de13d67d4be [2018-11-18 10:49:07,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:49:07,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:49:07,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:49:07,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:49:07,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:49:07,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c [2018-11-18 10:49:07,725 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/data/2d5ef26cb/86b36e3104d44b7ab702d070c4fcfbc0/FLAGaee942112 [2018-11-18 10:49:08,143 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:49:08,143 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c [2018-11-18 10:49:08,150 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/data/2d5ef26cb/86b36e3104d44b7ab702d070c4fcfbc0/FLAGaee942112 [2018-11-18 10:49:08,161 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/data/2d5ef26cb/86b36e3104d44b7ab702d070c4fcfbc0 [2018-11-18 10:49:08,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:49:08,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:49:08,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:08,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:49:08,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:49:08,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afe988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08, skipping insertion in model container [2018-11-18 10:49:08,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:49:08,208 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:49:08,418 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:08,425 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:49:08,556 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:08,571 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:49:08,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08 WrapperNode [2018-11-18 10:49:08,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:08,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:49:08,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:49:08,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:49:08,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... [2018-11-18 10:49:08,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:49:08,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:49:08,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:49:08,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:49:08,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:49:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2018-11-18 10:49:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2018-11-18 10:49:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2018-11-18 10:49:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2018-11-18 10:49:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:49:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 10:49:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:49:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 10:49:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 10:49:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2018-11-18 10:49:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2018-11-18 10:49:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:49:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 10:49:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:49:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:49:09,795 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:49:09,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:09 BoogieIcfgContainer [2018-11-18 10:49:09,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:49:09,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:49:09,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:49:09,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:49:09,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:49:08" (1/3) ... [2018-11-18 10:49:09,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c971e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:49:09, skipping insertion in model container [2018-11-18 10:49:09,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:08" (2/3) ... [2018-11-18 10:49:09,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c971e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:49:09, skipping insertion in model container [2018-11-18 10:49:09,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:09" (3/3) ... [2018-11-18 10:49:09,803 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5_true-unreach-call.c [2018-11-18 10:49:09,809 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:49:09,814 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:49:09,823 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:49:09,847 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:49:09,847 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:49:09,847 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:49:09,847 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:49:09,848 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:49:09,848 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:49:09,848 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:49:09,848 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:49:09,848 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:49:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-18 10:49:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:49:09,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:49:09,871 INFO L375 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] [2018-11-18 10:49:09,873 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:49:09,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2103837548, now seen corresponding path program 1 times [2018-11-18 10:49:09,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:49:09,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:49:09,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:09,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:09,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:49:10,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:49:10,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:49:10,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:49:10,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:49:10,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:49:10,102 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-18 10:49:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:49:10,127 INFO L93 Difference]: Finished difference Result 256 states and 378 transitions. [2018-11-18 10:49:10,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:49:10,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2018-11-18 10:49:10,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:49:10,135 INFO L225 Difference]: With dead ends: 256 [2018-11-18 10:49:10,135 INFO L226 Difference]: Without dead ends: 127 [2018-11-18 10:49:10,138 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:49:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-18 10:49:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-18 10:49:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-18 10:49:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 174 transitions. [2018-11-18 10:49:10,174 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 174 transitions. Word has length 47 [2018-11-18 10:49:10,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:49:10,175 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 174 transitions. [2018-11-18 10:49:10,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:49:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 174 transitions. [2018-11-18 10:49:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:49:10,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:49:10,177 INFO L375 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, 1, 1] [2018-11-18 10:49:10,177 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:49:10,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:10,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1655197321, now seen corresponding path program 1 times [2018-11-18 10:49:10,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:49:10,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:49:10,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:10,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:10,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:10,208 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-18 10:49:10,208 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-18 10:49:10,208 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-18 10:49:10,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:10,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:49:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:49:10,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:49:10,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:49:10,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:49:10,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:49:10,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:49:10,378 INFO L87 Difference]: Start difference. First operand 127 states and 174 transitions. Second operand 5 states. [2018-11-18 10:49:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:49:10,461 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2018-11-18 10:49:10,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:49:10,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-18 10:49:10,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:49:10,462 INFO L225 Difference]: With dead ends: 156 [2018-11-18 10:49:10,462 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:49:10,464 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:49:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:49:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:49:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:49:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:49:10,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2018-11-18 10:49:10,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:49:10,465 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:49:10,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:49:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:49:10,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:49:10,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:49:10,598 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-18 10:49:10,598 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2018-11-18 10:49:10,598 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_92ENTRY(lines 244 274) the Hoare annotation is: true [2018-11-18 10:49:10,598 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_92EXIT(lines 244 274) no Hoare annotation was computed. [2018-11-18 10:49:10,598 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_92FINAL(lines 244 274) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L428 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point L265-2(lines 245 274) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point L265-3(lines 265 272) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:49:10,599 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_100FINAL(lines 415 421) no Hoare annotation was computed. [2018-11-18 10:49:10,600 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_100EXIT(lines 415 421) no Hoare annotation was computed. [2018-11-18 10:49:10,600 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_100ENTRY(lines 415 421) the Hoare annotation is: true [2018-11-18 10:49:10,600 INFO L428 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2018-11-18 10:49:10,600 INFO L425 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2018-11-18 10:49:10,600 INFO L425 ceAbstractionStarter]: For program point L403-2(lines 403 410) no Hoare annotation was computed. [2018-11-18 10:49:10,600 INFO L425 ceAbstractionStarter]: For program point L401-1(lines 401 411) no Hoare annotation was computed. [2018-11-18 10:49:10,600 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_99ENTRY(lines 395 414) the Hoare annotation is: true [2018-11-18 10:49:10,600 INFO L425 ceAbstractionStarter]: For program point L401-3(lines 401 411) no Hoare annotation was computed. [2018-11-18 10:49:10,600 INFO L428 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2018-11-18 10:49:10,600 INFO L428 ceAbstractionStarter]: At program point L401-5(lines 401 411) the Hoare annotation is: true [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_99EXIT(lines 395 414) no Hoare annotation was computed. [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-18 10:49:10,601 INFO L428 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_99FINAL(lines 395 414) no Hoare annotation was computed. [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point L209-2(line 209) no Hoare annotation was computed. [2018-11-18 10:49:10,601 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_89ENTRY(lines 188 243) the Hoare annotation is: true [2018-11-18 10:49:10,601 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_89FINAL(lines 188 243) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L212-2(line 212) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L428 ceAbstractionStarter]: At program point L204(lines 204 220) the Hoare annotation is: true [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L229-2(line 229) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L229-3(line 229) no Hoare annotation was computed. [2018-11-18 10:49:10,602 INFO L425 ceAbstractionStarter]: For program point L229-5(lines 229 241) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L221-2(lines 221 228) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L428 ceAbstractionStarter]: At program point L221-4(lines 221 228) the Hoare annotation is: true [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L221-5(lines 221 228) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_89EXIT(lines 188 243) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-18 10:49:10,603 INFO L425 ceAbstractionStarter]: For program point L206-2(line 206) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 236) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L231-1(lines 229 241) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L215-2(line 215) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:49:10,604 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 10:49:10,604 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:49:10,605 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:49:10,605 INFO L425 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2018-11-18 10:49:10,605 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 422 453) the Hoare annotation is: true [2018-11-18 10:49:10,605 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 422 453) no Hoare annotation was computed. [2018-11-18 10:49:10,605 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 422 453) no Hoare annotation was computed. [2018-11-18 10:49:10,605 INFO L428 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-18 10:49:10,605 INFO L425 ceAbstractionStarter]: For program point L353-1(lines 353 391) no Hoare annotation was computed. [2018-11-18 10:49:10,605 INFO L425 ceAbstractionStarter]: For program point L353-3(lines 353 391) no Hoare annotation was computed. [2018-11-18 10:49:10,605 INFO L428 ceAbstractionStarter]: At program point L353-4(lines 353 391) the Hoare annotation is: true [2018-11-18 10:49:10,605 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_97ENTRY(lines 326 394) the Hoare annotation is: true [2018-11-18 10:49:10,606 INFO L428 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point L366-1(lines 366 369) no Hoare annotation was computed. [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_97EXIT(lines 326 394) no Hoare annotation was computed. [2018-11-18 10:49:10,606 INFO L428 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point L371-1(lines 371 388) no Hoare annotation was computed. [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point L371-3(lines 371 388) no Hoare annotation was computed. [2018-11-18 10:49:10,606 INFO L428 ceAbstractionStarter]: At program point L371-4(lines 371 388) the Hoare annotation is: true [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point L371-5(lines 371 388) no Hoare annotation was computed. [2018-11-18 10:49:10,606 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_97FINAL(lines 326 394) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 347 350) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L425 ceAbstractionStarter]: For program point L347-3(lines 347 350) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L428 ceAbstractionStarter]: At program point L347-4(lines 347 350) the Hoare annotation is: true [2018-11-18 10:49:10,607 INFO L425 ceAbstractionStarter]: For program point L347-5(lines 327 394) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L428 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2018-11-18 10:49:10,607 INFO L425 ceAbstractionStarter]: For program point L360-1(lines 360 363) no Hoare annotation was computed. [2018-11-18 10:49:10,607 INFO L428 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2018-11-18 10:49:10,608 INFO L425 ceAbstractionStarter]: For program point L356-1(lines 356 359) no Hoare annotation was computed. [2018-11-18 10:49:10,608 INFO L428 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2018-11-18 10:49:10,608 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 373 376) no Hoare annotation was computed. [2018-11-18 10:49:10,608 INFO L425 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-18 10:49:10,608 INFO L425 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-11-18 10:49:10,608 INFO L428 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2018-11-18 10:49:10,608 INFO L425 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2018-11-18 10:49:10,608 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 454 461) the Hoare annotation is: true [2018-11-18 10:49:10,608 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 454 461) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L456-2(lines 454 461) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L428 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2018-11-18 10:49:10,609 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2018-11-18 10:49:10,610 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2018-11-18 10:49:10,610 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2018-11-18 10:49:10,610 INFO L428 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2018-11-18 10:49:10,610 INFO L425 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2018-11-18 10:49:10,610 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-18 10:49:10,610 INFO L428 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2018-11-18 10:49:10,615 INFO L421 ceAbstractionStarter]: At program point L293-2(line 293) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2018-11-18 10:49:10,615 INFO L425 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-18 10:49:10,615 INFO L425 ceAbstractionStarter]: For program point L293-3(line 293) no Hoare annotation was computed. [2018-11-18 10:49:10,615 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2018-11-18 10:49:10,615 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2018-11-18 10:49:10,615 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_96FINAL(lines 295 325) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L313(lines 313 318) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 311 323) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L311-2(line 311) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L311-3(line 311) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_96ENTRY(lines 295 325) the Hoare annotation is: true [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L311-5(lines 311 323) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_96EXIT(lines 295 325) no Hoare annotation was computed. [2018-11-18 10:49:10,616 INFO L425 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2018-11-18 10:49:10,617 INFO L425 ceAbstractionStarter]: For program point L303-2(lines 303 310) no Hoare annotation was computed. [2018-11-18 10:49:10,617 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2018-11-18 10:49:10,617 INFO L428 ceAbstractionStarter]: At program point L303-4(lines 303 310) the Hoare annotation is: true [2018-11-18 10:49:10,617 INFO L425 ceAbstractionStarter]: For program point L303-5(lines 303 310) no Hoare annotation was computed. [2018-11-18 10:49:10,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:49:10 BoogieIcfgContainer [2018-11-18 10:49:10,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:49:10,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:49:10,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:49:10,625 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:49:10,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:09" (3/4) ... [2018-11-18 10:49:10,628 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:49:10,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_92 [2018-11-18 10:49:10,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:49:10,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_100 [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_99 [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_97 [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2018-11-18 10:49:10,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_96 [2018-11-18 10:49:10,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2018-11-18 10:49:10,643 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-18 10:49:10,643 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-18 10:49:10,644 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:49:10,721 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac9887ac-fad5-408a-b0af-4043c96bba1b/bin-2019/uautomizer/witness.graphml [2018-11-18 10:49:10,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:49:10,722 INFO L168 Benchmark]: Toolchain (without parser) took 2557.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.5 MB in the beginning and 983.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 137.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:10,723 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:10,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:10,724 INFO L168 Benchmark]: Boogie Preprocessor took 68.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:10,724 INFO L168 Benchmark]: RCFGBuilder took 1154.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:10,724 INFO L168 Benchmark]: TraceAbstraction took 828.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.5 MB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:10,725 INFO L168 Benchmark]: Witness Printer took 96.56 ms. Allocated memory is still 1.2 GB. Free memory was 996.5 MB in the beginning and 983.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:10,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1154.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 828.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.5 MB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. * Witness Printer took 96.56 ms. Allocated memory is still 1.2 GB. Free memory was 996.5 MB in the beginning and 983.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 136 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 351 SDtfs, 5 SDslu, 496 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 83 PreInvPairs, 99 NumberOfFragments, 34 HoareAnnotationTreeSize, 83 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 4228 SizeOfPredicates, 4 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...