./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1_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_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/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 1e13928f4cbb5df8bd3bcc6bd2cf23d73954ed0e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:42:50,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:42:50,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:42:50,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:42:50,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:42:50,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:42:50,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:42:50,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:42:50,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:42:50,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:42:50,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:42:50,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:42:50,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:42:50,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:42:50,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:42:50,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:42:50,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:42:50,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:42:50,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:42:50,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:42:50,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:42:50,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:42:50,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:42:50,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:42:50,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:42:50,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:42:50,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:42:50,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:42:50,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:42:50,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:42:50,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:42:50,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:42:50,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:42:50,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:42:50,360 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:42:50,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:42:50,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 12:42:50,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:42:50,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:42:50,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:42:50,372 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 12:42:50,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:42:50,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:42:50,372 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:42:50,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:42:50,373 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:42:50,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:42:50,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:42:50,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:42:50,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:42:50,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:42:50,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:42:50,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:42:50,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:42:50,374 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:42:50,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:42:50,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:42:50,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:42:50,375 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:42:50,375 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:42:50,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:42:50,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:42:50,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:42:50,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:42:50,375 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:42:50,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:42:50,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:42:50,376 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_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/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 -> 1e13928f4cbb5df8bd3bcc6bd2cf23d73954ed0e [2018-11-18 12:42:50,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:42:50,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:42:50,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:42:50,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:42:50,410 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:42:50,411 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1_true-unreach-call.c [2018-11-18 12:42:50,449 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/data/cbefad249/3766f9d399f64485baae4fb27764e1ee/FLAG69fbf6980 [2018-11-18 12:42:50,879 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:42:50,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/sv-benchmarks/c/loop-industry-pattern/ofuf_1_true-unreach-call.c [2018-11-18 12:42:50,885 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/data/cbefad249/3766f9d399f64485baae4fb27764e1ee/FLAG69fbf6980 [2018-11-18 12:42:50,897 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/data/cbefad249/3766f9d399f64485baae4fb27764e1ee [2018-11-18 12:42:50,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:42:50,900 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:42:50,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:50,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:42:50,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:42:50,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:50" (1/1) ... [2018-11-18 12:42:50,907 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 12:42:50, skipping insertion in model container [2018-11-18 12:42:50,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:50" (1/1) ... [2018-11-18 12:42:50,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:42:50,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:42:51,109 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:51,115 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:42:51,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:51,213 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:42:51,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51 WrapperNode [2018-11-18 12:42:51,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:51,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:42:51,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:42:51,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:42:51,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... [2018-11-18 12:42:51,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:42:51,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:42:51,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:42:51,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:42:51,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/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 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2018-11-18 12:42:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2018-11-18 12:42:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2018-11-18 12:42:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2018-11-18 12:42:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:42:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 12:42:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:42:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 12:42:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 12:42:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2018-11-18 12:42:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2018-11-18 12:42:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:42:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:42:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:42:52,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:42:52,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:52 BoogieIcfgContainer [2018-11-18 12:42:52,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:42:52,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:42:52,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:42:52,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:42:52,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:42:50" (1/3) ... [2018-11-18 12:42:52,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f19cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:52, skipping insertion in model container [2018-11-18 12:42:52,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:51" (2/3) ... [2018-11-18 12:42:52,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f19cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:52, skipping insertion in model container [2018-11-18 12:42:52,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:52" (3/3) ... [2018-11-18 12:42:52,139 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1_true-unreach-call.c [2018-11-18 12:42:52,145 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:42:52,152 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:42:52,164 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:42:52,188 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:42:52,188 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:42:52,189 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:42:52,189 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:42:52,189 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:42:52,189 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:42:52,189 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:42:52,189 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:42:52,189 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:42:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-11-18 12:42:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 12:42:52,211 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:52,212 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] [2018-11-18 12:42:52,214 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:52,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:52,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1530940274, now seen corresponding path program 1 times [2018-11-18 12:42:52,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:52,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:52,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:52,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:52,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:52,384 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 12:42:52,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:52,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:42:52,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:42:52,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:42:52,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:42:52,398 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-11-18 12:42:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:52,421 INFO L93 Difference]: Finished difference Result 252 states and 372 transitions. [2018-11-18 12:42:52,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:42:52,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2018-11-18 12:42:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:52,429 INFO L225 Difference]: With dead ends: 252 [2018-11-18 12:42:52,430 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 12:42:52,432 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 12:42:52,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 12:42:52,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-18 12:42:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 12:42:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 171 transitions. [2018-11-18 12:42:52,463 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 171 transitions. Word has length 39 [2018-11-18 12:42:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:52,463 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 171 transitions. [2018-11-18 12:42:52,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:42:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 171 transitions. [2018-11-18 12:42:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 12:42:52,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:52,465 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] [2018-11-18 12:42:52,465 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:52,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:52,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1491873093, now seen corresponding path program 1 times [2018-11-18 12:42:52,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:42:52,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:42:52,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:52,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:52,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:52,501 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-18 12:42:52,501 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-18 12:42:52,501 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/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 12:42:52,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:52,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:52,712 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 12:42:52,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:52,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:42:52,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:42:52,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:42:52,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:42:52,731 INFO L87 Difference]: Start difference. First operand 125 states and 171 transitions. Second operand 4 states. [2018-11-18 12:42:52,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:52,767 INFO L93 Difference]: Finished difference Result 125 states and 171 transitions. [2018-11-18 12:42:52,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:42:52,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-11-18 12:42:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:52,768 INFO L225 Difference]: With dead ends: 125 [2018-11-18 12:42:52,768 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:42:52,770 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:42:52,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:42:52,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:42:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:42:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:42:52,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-11-18 12:42:52,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:52,771 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:42:52,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:42:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:42:52,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:42:52,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:42:52,845 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_113EXIT(lines 300 319) no Hoare annotation was computed. [2018-11-18 12:42:52,845 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_113ENTRY(lines 300 319) the Hoare annotation is: true [2018-11-18 12:42:52,845 INFO L428 ceAbstractionStarter]: At program point L317(line 317) the Hoare annotation is: true [2018-11-18 12:42:52,845 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_113FINAL(lines 300 319) no Hoare annotation was computed. [2018-11-18 12:42:52,846 INFO L428 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2018-11-18 12:42:52,846 INFO L425 ceAbstractionStarter]: For program point L317-1(line 317) no Hoare annotation was computed. [2018-11-18 12:42:52,846 INFO L425 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-18 12:42:52,846 INFO L428 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2018-11-18 12:42:52,846 INFO L425 ceAbstractionStarter]: For program point L310-1(line 310) no Hoare annotation was computed. [2018-11-18 12:42:52,846 INFO L425 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2018-11-18 12:42:52,846 INFO L425 ceAbstractionStarter]: For program point L308-2(lines 308 315) no Hoare annotation was computed. [2018-11-18 12:42:52,846 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 307) no Hoare annotation was computed. [2018-11-18 12:42:52,847 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_115ENTRY(lines 351 419) the Hoare annotation is: true [2018-11-18 12:42:52,847 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_115FINAL(lines 351 419) no Hoare annotation was computed. [2018-11-18 12:42:52,847 INFO L425 ceAbstractionStarter]: For program point L378-1(lines 378 416) no Hoare annotation was computed. [2018-11-18 12:42:52,847 INFO L425 ceAbstractionStarter]: For program point L378-3(lines 378 416) no Hoare annotation was computed. [2018-11-18 12:42:52,847 INFO L428 ceAbstractionStarter]: At program point L378-4(lines 378 416) the Hoare annotation is: true [2018-11-18 12:42:52,847 INFO L428 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2018-11-18 12:42:52,847 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 391 394) no Hoare annotation was computed. [2018-11-18 12:42:52,848 INFO L428 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: true [2018-11-18 12:42:52,848 INFO L425 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2018-11-18 12:42:52,848 INFO L425 ceAbstractionStarter]: For program point L396-1(lines 396 413) no Hoare annotation was computed. [2018-11-18 12:42:52,848 INFO L425 ceAbstractionStarter]: For program point L396-3(lines 396 413) no Hoare annotation was computed. [2018-11-18 12:42:52,848 INFO L428 ceAbstractionStarter]: At program point L396-4(lines 396 413) the Hoare annotation is: true [2018-11-18 12:42:52,848 INFO L425 ceAbstractionStarter]: For program point L396-5(lines 396 413) no Hoare annotation was computed. [2018-11-18 12:42:52,848 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 412) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L425 ceAbstractionStarter]: For program point L376(lines 376 417) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L425 ceAbstractionStarter]: For program point L372-1(lines 372 375) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L425 ceAbstractionStarter]: For program point L372-3(lines 372 375) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L428 ceAbstractionStarter]: At program point L372-4(lines 372 375) the Hoare annotation is: true [2018-11-18 12:42:52,849 INFO L425 ceAbstractionStarter]: For program point L372-5(lines 352 419) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L428 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: true [2018-11-18 12:42:52,849 INFO L425 ceAbstractionStarter]: For program point L385-1(lines 385 388) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_115EXIT(lines 351 419) no Hoare annotation was computed. [2018-11-18 12:42:52,849 INFO L428 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2018-11-18 12:42:52,850 INFO L425 ceAbstractionStarter]: For program point L381-1(lines 381 384) no Hoare annotation was computed. [2018-11-18 12:42:52,850 INFO L428 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: true [2018-11-18 12:42:52,850 INFO L425 ceAbstractionStarter]: For program point L398-1(lines 398 401) no Hoare annotation was computed. [2018-11-18 12:42:52,850 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:52,850 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:42:52,850 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:52,850 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_114EXIT(lines 320 350) no Hoare annotation was computed. [2018-11-18 12:42:52,850 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 334) no Hoare annotation was computed. [2018-11-18 12:42:52,850 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_114ENTRY(lines 320 350) the Hoare annotation is: true [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_114FINAL(lines 320 350) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 343) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L338-1(lines 336 348) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L336-2(line 336) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L336-3(line 336) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L336-5(lines 336 348) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L328-1(lines 328 335) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L328-2(lines 328 335) no Hoare annotation was computed. [2018-11-18 12:42:52,851 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 327) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L428 ceAbstractionStarter]: At program point L328-4(lines 328 335) the Hoare annotation is: true [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point L328-5(lines 328 335) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_110EXIT(lines 269 299) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 289) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 289) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L428 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2018-11-18 12:42:52,852 INFO L428 ceAbstractionStarter]: At program point L292-1(line 292) the Hoare annotation is: true [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 297) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point L290-2(lines 270 299) no Hoare annotation was computed. [2018-11-18 12:42:52,852 INFO L425 ceAbstractionStarter]: For program point L290-3(lines 290 297) no Hoare annotation was computed. [2018-11-18 12:42:52,853 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_110FINAL(lines 269 299) no Hoare annotation was computed. [2018-11-18 12:42:52,853 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_110ENTRY(lines 269 299) the Hoare annotation is: true [2018-11-18 12:42:52,853 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-18 12:42:52,853 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:52,853 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:42:52,853 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:42:52,853 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:52,853 INFO L428 ceAbstractionStarter]: At program point L478(line 478) the Hoare annotation is: true [2018-11-18 12:42:52,853 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 447 479) the Hoare annotation is: true [2018-11-18 12:42:52,853 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 447 479) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point L473(lines 473 476) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 447 479) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L428 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point L482-2(lines 480 487) no Hoare annotation was computed. [2018-11-18 12:42:52,854 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 480 487) the Hoare annotation is: true [2018-11-18 12:42:52,854 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 480 487) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point L482(lines 482 485) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_117ENTRY(lines 420 439) the Hoare annotation is: true [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_117FINAL(lines 420 439) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point L428-2(lines 428 435) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 426 436) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L425 ceAbstractionStarter]: For program point L426-3(lines 426 436) no Hoare annotation was computed. [2018-11-18 12:42:52,855 INFO L428 ceAbstractionStarter]: At program point L426-4(lines 426 436) the Hoare annotation is: true [2018-11-18 12:42:52,856 INFO L428 ceAbstractionStarter]: At program point L426-5(lines 426 436) the Hoare annotation is: true [2018-11-18 12:42:52,856 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 12:42:52,856 INFO L428 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: true [2018-11-18 12:42:52,856 INFO L425 ceAbstractionStarter]: For program point L425-1(line 425) no Hoare annotation was computed. [2018-11-18 12:42:52,856 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_117EXIT(lines 420 439) no Hoare annotation was computed. [2018-11-18 12:42:52,856 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_118ENTRY(lines 440 446) the Hoare annotation is: true [2018-11-18 12:42:52,856 INFO L428 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-11-18 12:42:52,856 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_118FINAL(lines 440 446) no Hoare annotation was computed. [2018-11-18 12:42:52,856 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_118EXIT(lines 440 446) no Hoare annotation was computed. [2018-11-18 12:42:52,856 INFO L428 ceAbstractionStarter]: At program point Id_MCDC_107ENTRY(lines 213 268) the Hoare annotation is: true [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_107FINAL(lines 213 268) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L234-2(line 234) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 221) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L237-2(line 237) no Hoare annotation was computed. [2018-11-18 12:42:52,857 INFO L428 ceAbstractionStarter]: At program point L229(lines 229 245) the Hoare annotation is: true [2018-11-18 12:42:52,857 INFO L425 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L254-2(line 254) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L254-3(line 254) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L254-5(lines 254 266) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L246-1(lines 246 253) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L246-2(lines 246 253) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L428 ceAbstractionStarter]: At program point L246-4(lines 246 253) the Hoare annotation is: true [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L246-5(lines 246 253) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-11-18 12:42:52,858 INFO L425 ceAbstractionStarter]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L231-2(line 231) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 261) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L256-1(lines 254 266) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L240-2(line 240) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 252) no Hoare annotation was computed. [2018-11-18 12:42:52,859 INFO L425 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2018-11-18 12:42:52,860 INFO L425 ceAbstractionStarter]: For program point Id_MCDC_107EXIT(lines 213 268) no Hoare annotation was computed. [2018-11-18 12:42:52,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:42:52 BoogieIcfgContainer [2018-11-18 12:42:52,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:42:52,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:42:52,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:42:52,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:42:52,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:52" (3/4) ... [2018-11-18 12:42:52,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:42:52,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2018-11-18 12:42:52,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:42:52,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_115 [2018-11-18 12:42:52,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_114 [2018-11-18 12:42:52,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_110 [2018-11-18 12:42:52,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2018-11-18 12:42:52,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:42:52,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 12:42:52,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_117 [2018-11-18 12:42:52,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2018-11-18 12:42:52,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_118 [2018-11-18 12:42:52,886 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2018-11-18 12:42:52,886 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-18 12:42:52,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-18 12:42:52,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:42:52,976 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c87d46c8-fd28-4cc8-9a4a-5d217b6cdcfb/bin-2019/uautomizer/witness.graphml [2018-11-18 12:42:52,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:42:52,977 INFO L168 Benchmark]: Toolchain (without parser) took 2076.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 951.1 MB in the beginning and 933.6 MB in the end (delta: 17.5 MB). Peak memory consumption was 140.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:52,978 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-18 12:42:52,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:52,978 INFO L168 Benchmark]: Boogie Preprocessor took 46.84 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:52,978 INFO L168 Benchmark]: RCFGBuilder took 872.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:52,979 INFO L168 Benchmark]: TraceAbstraction took 731.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 944.5 MB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:52,979 INFO L168 Benchmark]: Witness Printer took 110.54 ms. Allocated memory is still 1.2 GB. Free memory was 944.5 MB in the beginning and 933.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:52,980 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 313.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.84 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 872.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 731.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 944.5 MB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.54 ms. Allocated memory is still 1.2 GB. Free memory was 944.5 MB in the beginning and 933.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 134 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 347 SDtfs, 5 SDslu, 329 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred 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, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 3204 SizeOfPredicates, 2 NumberOfNonLiveVariables, 429 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...