./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/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 aa745eb37a305c705c876c4aeeab00de01c4148b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:33:53,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:33:53,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:33:53,469 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:33:53,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:33:53,470 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:33:53,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:33:53,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:33:53,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:33:53,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:33:53,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:33:53,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:33:53,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:33:53,476 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:33:53,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:33:53,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:33:53,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:33:53,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:33:53,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:33:53,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:33:53,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:33:53,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:33:53,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:33:53,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:33:53,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:33:53,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:33:53,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:33:53,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:33:53,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:33:53,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:33:53,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:33:53,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:33:53,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:33:53,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:33:53,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:33:53,490 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:33:53,491 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:33:53,501 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:33:53,501 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:33:53,501 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:33:53,502 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:33:53,502 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:33:53,502 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:33:53,502 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:33:53,503 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:33:53,503 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:33:53,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:33:53,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:33:53,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:33:53,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:33:53,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:33:53,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:33:53,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:33:53,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:33:53,504 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:33:53,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:33:53,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:33:53,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:33:53,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:33:53,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:33:53,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:33:53,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:33:53,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:33:53,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:33:53,506 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:33:53,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:33:53,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:33:53,506 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_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/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 -> aa745eb37a305c705c876c4aeeab00de01c4148b [2018-11-23 06:33:53,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:33:53,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:33:53,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:33:53,544 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:33:53,544 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:33:53,545 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/ofuf_3_true-unreach-call.c [2018-11-23 06:33:53,590 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/data/3171cd8ba/f8789513fda34ea188bb5bd928669393/FLAG3942f3078 [2018-11-23 06:33:53,953 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:33:53,954 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/sv-benchmarks/c/loop-industry-pattern/ofuf_3_true-unreach-call.c [2018-11-23 06:33:53,962 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/data/3171cd8ba/f8789513fda34ea188bb5bd928669393/FLAG3942f3078 [2018-11-23 06:33:54,349 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/data/3171cd8ba/f8789513fda34ea188bb5bd928669393 [2018-11-23 06:33:54,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:33:54,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:33:54,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:33:54,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:33:54,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:33:54,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278f3c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54, skipping insertion in model container [2018-11-23 06:33:54,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:33:54,392 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:33:54,572 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:33:54,578 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:33:54,667 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:33:54,679 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:33:54,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54 WrapperNode [2018-11-23 06:33:54,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:33:54,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:33:54,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:33:54,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:33:54,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:33:54,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:33:54,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:33:54,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:33:54,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... [2018-11-23 06:33:54,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:33:54,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:33:54,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:33:54,738 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:33:54,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/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 [2018-11-23 06:33:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 06:33:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2018-11-23 06:33:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2018-11-23 06:33:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:33:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:33:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 06:33:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:33:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2018-11-23 06:33:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2018-11-23 06:33:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:33:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:33:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 06:33:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-23 06:33:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2018-11-23 06:33:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2018-11-23 06:33:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2018-11-23 06:33:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2018-11-23 06:33:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2018-11-23 06:33:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2018-11-23 06:33:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:33:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2018-11-23 06:33:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2018-11-23 06:33:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2018-11-23 06:33:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2018-11-23 06:33:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:33:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:33:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:33:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:33:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2018-11-23 06:33:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2018-11-23 06:33:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 06:33:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 06:33:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:33:55,299 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:33:55,299 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:33:55,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:55 BoogieIcfgContainer [2018-11-23 06:33:55,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:33:55,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:33:55,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:33:55,302 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:33:55,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:33:54" (1/3) ... [2018-11-23 06:33:55,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad5f917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:33:55, skipping insertion in model container [2018-11-23 06:33:55,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:54" (2/3) ... [2018-11-23 06:33:55,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad5f917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:33:55, skipping insertion in model container [2018-11-23 06:33:55,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:55" (3/3) ... [2018-11-23 06:33:55,305 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_3_true-unreach-call.c [2018-11-23 06:33:55,310 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:33:55,317 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:33:55,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:33:55,346 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:33:55,347 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:33:55,347 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:33:55,347 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:33:55,347 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:33:55,347 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:33:55,347 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:33:55,347 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:33:55,347 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:33:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-23 06:33:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 06:33:55,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:33:55,365 INFO L402 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] [2018-11-23 06:33:55,367 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:33:55,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:33:55,370 INFO L82 PathProgramCache]: Analyzing trace with hash -869837787, now seen corresponding path program 1 times [2018-11-23 06:33:55,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:33:55,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:33:55,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:55,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:33:55,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:33:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:33:55,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:33:55,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:33:55,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:33:55,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:33:55,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:33:55,569 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-23 06:33:55,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:33:55,596 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2018-11-23 06:33:55,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:33:55,597 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2018-11-23 06:33:55,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:33:55,605 INFO L225 Difference]: With dead ends: 241 [2018-11-23 06:33:55,605 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 06:33:55,607 INFO L631 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 [2018-11-23 06:33:55,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 06:33:55,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 06:33:55,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 06:33:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2018-11-23 06:33:55,641 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2018-11-23 06:33:55,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:33:55,641 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2018-11-23 06:33:55,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:33:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2018-11-23 06:33:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 06:33:55,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:33:55,643 INFO L402 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] [2018-11-23 06:33:55,643 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:33:55,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:33:55,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1679184413, now seen corresponding path program 1 times [2018-11-23 06:33:55,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:33:55,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:33:55,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:55,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:33:55,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:55,675 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 06:33:55,676 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 06:33:55,676 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/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 [2018-11-23 06:33:55,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:33:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:33:55,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:33:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:33:55,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:33:55,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:33:55,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:33:55,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:33:55,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:33:55,870 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 4 states. [2018-11-23 06:33:55,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:33:55,916 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2018-11-23 06:33:55,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:33:55,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-11-23 06:33:55,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:33:55,917 INFO L225 Difference]: With dead ends: 119 [2018-11-23 06:33:55,917 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:33:55,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:33:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:33:55,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:33:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:33:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:33:55,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-11-23 06:33:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:33:55,920 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:33:55,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:33:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:33:55,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:33:55,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:33:55,997 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-23 06:33:55,997 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2018-11-23 06:33:55,998 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_92EXIT(lines 244 274) no Hoare annotation was computed. [2018-11-23 06:33:55,998 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_92FINAL(lines 244 274) no Hoare annotation was computed. [2018-11-23 06:33:55,998 INFO L451 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2018-11-23 06:33:55,998 INFO L448 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2018-11-23 06:33:55,998 INFO L451 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2018-11-23 06:33:55,999 INFO L448 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2018-11-23 06:33:55,999 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 245 274) no Hoare annotation was computed. [2018-11-23 06:33:55,999 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 272) no Hoare annotation was computed. [2018-11-23 06:33:55,999 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_92ENTRY(lines 244 274) the Hoare annotation is: true [2018-11-23 06:33:55,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:33:55,999 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:33:55,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:33:55,999 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_100FINAL(lines 415 421) no Hoare annotation was computed. [2018-11-23 06:33:56,000 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_100EXIT(lines 415 421) no Hoare annotation was computed. [2018-11-23 06:33:56,000 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_100ENTRY(lines 415 421) the Hoare annotation is: true [2018-11-23 06:33:56,000 INFO L451 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2018-11-23 06:33:56,000 INFO L448 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2018-11-23 06:33:56,000 INFO L448 ceAbstractionStarter]: For program point L403-2(lines 403 410) no Hoare annotation was computed. [2018-11-23 06:33:56,005 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_99ENTRY(lines 395 414) the Hoare annotation is: true [2018-11-23 06:33:56,005 INFO L448 ceAbstractionStarter]: For program point L401-2(lines 401 411) no Hoare annotation was computed. [2018-11-23 06:33:56,005 INFO L451 ceAbstractionStarter]: At program point L401-3(lines 401 411) the Hoare annotation is: true [2018-11-23 06:33:56,005 INFO L451 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2018-11-23 06:33:56,005 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_99EXIT(lines 395 414) no Hoare annotation was computed. [2018-11-23 06:33:56,005 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-23 06:33:56,005 INFO L451 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_99FINAL(lines 395 414) no Hoare annotation was computed. [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point L229-5(lines 229 241) no Hoare annotation was computed. [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2018-11-23 06:33:56,006 INFO L451 ceAbstractionStarter]: At program point L221-3(lines 221 228) the Hoare annotation is: true [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point L221-4(lines 221 228) no Hoare annotation was computed. [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-11-23 06:33:56,006 INFO L448 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2018-11-23 06:33:56,007 INFO L448 ceAbstractionStarter]: For program point L209-2(line 209) no Hoare annotation was computed. [2018-11-23 06:33:56,007 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_89ENTRY(lines 188 243) the Hoare annotation is: true [2018-11-23 06:33:56,007 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_89EXIT(lines 188 243) no Hoare annotation was computed. [2018-11-23 06:33:56,007 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2018-11-23 06:33:56,007 INFO L448 ceAbstractionStarter]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2018-11-23 06:33:56,007 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2018-11-23 06:33:56,007 INFO L448 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L206-2(line 206) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 236) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_89FINAL(lines 188 243) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 229 241) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L215-2(line 215) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-23 06:33:56,008 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L212-2(line 212) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L451 ceAbstractionStarter]: At program point L204(lines 204 220) the Hoare annotation is: true [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L229-2(line 229) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point L229-3(line 229) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:33:56,009 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 06:33:56,010 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:33:56,010 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:33:56,010 INFO L448 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2018-11-23 06:33:56,010 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 422 453) the Hoare annotation is: true [2018-11-23 06:33:56,010 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 453) no Hoare annotation was computed. [2018-11-23 06:33:56,010 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 453) no Hoare annotation was computed. [2018-11-23 06:33:56,010 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-23 06:33:56,010 INFO L448 ceAbstractionStarter]: For program point L353-2(lines 353 391) no Hoare annotation was computed. [2018-11-23 06:33:56,010 INFO L451 ceAbstractionStarter]: At program point L353-3(lines 353 391) the Hoare annotation is: true [2018-11-23 06:33:56,011 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_97ENTRY(lines 326 394) the Hoare annotation is: true [2018-11-23 06:33:56,011 INFO L451 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2018-11-23 06:33:56,011 INFO L448 ceAbstractionStarter]: For program point L366-1(lines 366 369) no Hoare annotation was computed. [2018-11-23 06:33:56,011 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_97EXIT(lines 326 394) no Hoare annotation was computed. [2018-11-23 06:33:56,011 INFO L451 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-23 06:33:56,011 INFO L448 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2018-11-23 06:33:56,011 INFO L448 ceAbstractionStarter]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2018-11-23 06:33:56,011 INFO L451 ceAbstractionStarter]: At program point L371-3(lines 371 388) the Hoare annotation is: true [2018-11-23 06:33:56,011 INFO L448 ceAbstractionStarter]: For program point L371-4(lines 371 388) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_97FINAL(lines 326 394) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L448 ceAbstractionStarter]: For program point L347-2(lines 347 350) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L451 ceAbstractionStarter]: At program point L347-3(lines 347 350) the Hoare annotation is: true [2018-11-23 06:33:56,012 INFO L448 ceAbstractionStarter]: For program point L347-4(lines 327 394) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L451 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2018-11-23 06:33:56,012 INFO L448 ceAbstractionStarter]: For program point L360-1(lines 360 363) no Hoare annotation was computed. [2018-11-23 06:33:56,012 INFO L451 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2018-11-23 06:33:56,013 INFO L448 ceAbstractionStarter]: For program point L356-1(lines 356 359) no Hoare annotation was computed. [2018-11-23 06:33:56,013 INFO L451 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2018-11-23 06:33:56,013 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 373 376) no Hoare annotation was computed. [2018-11-23 06:33:56,013 INFO L448 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-23 06:33:56,013 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-11-23 06:33:56,013 INFO L451 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2018-11-23 06:33:56,013 INFO L448 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2018-11-23 06:33:56,013 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 454 461) the Hoare annotation is: true [2018-11-23 06:33:56,013 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 454 461) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point L456-2(lines 454 461) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L451 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2018-11-23 06:33:56,014 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2018-11-23 06:33:56,015 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2018-11-23 06:33:56,015 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2018-11-23 06:33:56,015 INFO L451 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2018-11-23 06:33:56,015 INFO L451 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2018-11-23 06:33:56,015 INFO L448 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2018-11-23 06:33:56,015 INFO L448 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-23 06:33:56,015 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2018-11-23 06:33:56,015 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2018-11-23 06:33:56,015 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_96FINAL(lines 295 325) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 318) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 311 323) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L311-2(line 311) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L311-3(line 311) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_96ENTRY(lines 295 325) the Hoare annotation is: true [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L311-5(lines 311 323) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_96EXIT(lines 295 325) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L448 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2018-11-23 06:33:56,016 INFO L451 ceAbstractionStarter]: At program point L303-3(lines 303 310) the Hoare annotation is: true [2018-11-23 06:33:56,017 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2018-11-23 06:33:56,017 INFO L448 ceAbstractionStarter]: For program point L303-4(lines 303 310) no Hoare annotation was computed. [2018-11-23 06:33:56,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:33:56 BoogieIcfgContainer [2018-11-23 06:33:56,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:33:56,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:33:56,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:33:56,028 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:33:56,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:55" (3/4) ... [2018-11-23 06:33:56,032 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:33:56,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_92 [2018-11-23 06:33:56,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:33:56,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_100 [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_99 [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_97 [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 06:33:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2018-11-23 06:33:56,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_96 [2018-11-23 06:33:56,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-23 06:33:56,048 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-23 06:33:56,049 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-23 06:33:56,049 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:33:56,050 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:33:56,050 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:33:56,138 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_76e274dd-ae26-4b32-8cc0-c5d75c0d10e5/bin-2019/uautomizer/witness.graphml [2018-11-23 06:33:56,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:33:56,138 INFO L168 Benchmark]: Toolchain (without parser) took 1786.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.1 MB in the beginning and 958.4 MB in the end (delta: -7.3 MB). Peak memory consumption was 130.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,139 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:33:56,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,140 INFO L168 Benchmark]: Boogie Preprocessor took 37.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,141 INFO L168 Benchmark]: RCFGBuilder took 561.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,141 INFO L168 Benchmark]: TraceAbstraction took 727.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.3 MB in the end (delta: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,141 INFO L168 Benchmark]: Witness Printer took 109.72 ms. Allocated memory is still 1.2 GB. Free memory was 971.3 MB in the beginning and 958.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:33:56,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 561.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 727.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.3 MB in the end (delta: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. * Witness Printer took 109.72 ms. Allocated memory is still 1.2 GB. Free memory was 971.3 MB in the beginning and 958.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 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: 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 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 128 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 5 SDslu, 317 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 76 PreInvPairs, 91 NumberOfFragments, 34 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 2 NumberOfNonLiveVariables, 516 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...