./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a264ac1dee459017a9965df88403c901cb7750b ............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a264ac1dee459017a9965df88403c901cb7750b ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:07:41,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:07:41,138 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:07:41,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:07:41,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:07:41,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:07:41,148 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:07:41,149 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:07:41,150 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:07:41,151 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:07:41,152 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:07:41,152 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:07:41,152 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:07:41,153 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:07:41,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:07:41,154 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:07:41,155 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:07:41,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:07:41,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:07:41,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:07:41,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:07:41,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:07:41,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:07:41,163 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:07:41,163 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:07:41,164 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:07:41,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:07:41,165 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:07:41,166 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:07:41,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:07:41,167 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:07:41,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:07:41,167 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:07:41,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:07:41,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:07:41,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:07:41,169 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 08:07:41,176 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:07:41,176 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:07:41,176 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:07:41,177 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 08:07:41,177 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:07:41,177 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:07:41,177 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:07:41,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:07:41,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:07:41,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:07:41,178 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 08:07:41,179 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:07:41,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:07:41,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:07:41,179 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_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak 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 -> Kojak 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 -> 0a264ac1dee459017a9965df88403c901cb7750b [2018-12-09 08:07:41,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:07:41,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:07:41,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:07:41,211 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:07:41,212 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:07:41,212 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-12-09 08:07:41,256 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/308ba3958/ed43832e4b694da3a9b5f237f00af076/FLAG564045b37 [2018-12-09 08:07:41,682 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:07:41,682 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-12-09 08:07:41,685 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/308ba3958/ed43832e4b694da3a9b5f237f00af076/FLAG564045b37 [2018-12-09 08:07:41,693 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/308ba3958/ed43832e4b694da3a9b5f237f00af076 [2018-12-09 08:07:41,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:07:41,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:07:41,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:07:41,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:07:41,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:07:41,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41, skipping insertion in model container [2018-12-09 08:07:41,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:07:41,717 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:07:41,806 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:07:41,808 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:07:41,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:07:41,824 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:07:41,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41 WrapperNode [2018-12-09 08:07:41,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:07:41,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:07:41,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:07:41,825 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:07:41,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:07:41,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:07:41,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:07:41,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:07:41,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:41,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:07:41,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:07:41,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:07:41,882 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:07:41,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-09 08:07:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:07:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:07:41,992 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:07:41,992 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 08:07:41,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:07:41 BoogieIcfgContainer [2018-12-09 08:07:41,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:07:41,993 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 08:07:41,993 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 08:07:41,999 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 08:07:42,000 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:07:41" (1/1) ... [2018-12-09 08:07:42,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:07:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:07:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-09 08:07:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-09 08:07:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 08:07:42,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:07:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:07:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:07:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:07:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:07:42,107 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 08:07:42,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 08:07:42 ImpRootNode [2018-12-09 08:07:42,119 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 08:07:42,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:07:42,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:07:42,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:07:42,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:07:41" (3/4) ... [2018-12-09 08:07:42,122 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 08:07:42,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:07:42,123 INFO L168 Benchmark]: Toolchain (without parser) took 427.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:42,124 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:42,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.55 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:42,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:42,125 INFO L168 Benchmark]: Boogie Preprocessor took 37.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:42,125 INFO L168 Benchmark]: RCFGBuilder took 110.89 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:42,126 INFO L168 Benchmark]: CodeCheck took 125.94 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:42,126 INFO L168 Benchmark]: Witness Printer took 3.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:42,128 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 18. Possible FailurePath: [L12] int x; [L13] float y, z; [L15] x = __VERIFIER_nondet_int() [L18] y = x*x - 2.f [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.55 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 110.89 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 125.94 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:07:43,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:07:43,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:07:43,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:07:43,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:07:43,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:07:43,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:07:43,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:07:43,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:07:43,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:07:43,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:07:43,455 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:07:43,456 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:07:43,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:07:43,457 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:07:43,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:07:43,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:07:43,458 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:07:43,459 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:07:43,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:07:43,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:07:43,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:07:43,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:07:43,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:07:43,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:07:43,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:07:43,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:07:43,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:07:43,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:07:43,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:07:43,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:07:43,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:07:43,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:07:43,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:07:43,466 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:07:43,466 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:07:43,466 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 08:07:43,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:07:43,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:07:43,474 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:07:43,474 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 08:07:43,474 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:07:43,474 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:07:43,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:07:43,475 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:07:43,476 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 08:07:43,476 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:07:43,476 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:07:43,476 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 08:07:43,477 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 08:07:43,477 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:07:43,477 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 08:07:43,477 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 08:07:43,477 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_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak 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 -> Kojak 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 -> 0a264ac1dee459017a9965df88403c901cb7750b [2018-12-09 08:07:43,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:07:43,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:07:43,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:07:43,508 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:07:43,509 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:07:43,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-12-09 08:07:43,550 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/2d5f0018e/13ec6909cabe441aa190e8ab2fc82d45/FLAGf6fcc8280 [2018-12-09 08:07:43,948 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:07:43,948 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-12-09 08:07:43,952 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/2d5f0018e/13ec6909cabe441aa190e8ab2fc82d45/FLAGf6fcc8280 [2018-12-09 08:07:43,960 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/data/2d5f0018e/13ec6909cabe441aa190e8ab2fc82d45 [2018-12-09 08:07:43,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:07:43,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:07:43,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:07:43,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:07:43,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:07:43,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:07:43" (1/1) ... [2018-12-09 08:07:43,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:43, skipping insertion in model container [2018-12-09 08:07:43,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:07:43" (1/1) ... [2018-12-09 08:07:43,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:07:43,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:07:44,063 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:07:44,067 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:07:44,075 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:07:44,084 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:07:44,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44 WrapperNode [2018-12-09 08:07:44,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:07:44,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:07:44,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:07:44,085 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:07:44,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:07:44,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:07:44,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:07:44,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:07:44,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... [2018-12-09 08:07:44,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:07:44,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:07:44,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:07:44,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:07:44,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:07:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-09 08:07:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:07:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:07:46,932 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:07:46,932 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 08:07:46,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:07:46 BoogieIcfgContainer [2018-12-09 08:07:46,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:07:46,933 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 08:07:46,933 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 08:07:46,939 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 08:07:46,939 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:07:46" (1/1) ... [2018-12-09 08:07:46,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:07:46,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:07:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-09 08:07:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-09 08:07:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 08:07:46,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:07:46,998 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 08:07:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:07:47,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:07:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:07:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:07:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-12-09 08:07:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-12-09 08:07:49,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:07:49,091 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-09 08:07:49,096 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 08:07:49,101 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 08:07:49,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 08:07:49 ImpRootNode [2018-12-09 08:07:49,103 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 08:07:49,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:07:49,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:07:49,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:07:49,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:07:46" (3/4) ... [2018-12-09 08:07:49,105 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:07:49,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 08:07:49,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 08:07:49,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:07:49,133 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_687274ee-cc51-4758-936b-35e3c53592f3/bin-2019/ukojak/witness.graphml [2018-12-09 08:07:49,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:07:49,133 INFO L168 Benchmark]: Toolchain (without parser) took 5171.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:49,134 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:49,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.60 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:49,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.88 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:49,135 INFO L168 Benchmark]: Boogie Preprocessor took 13.12 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:49,135 INFO L168 Benchmark]: RCFGBuilder took 2814.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:49,136 INFO L168 Benchmark]: CodeCheck took 2169.75 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:49,136 INFO L168 Benchmark]: Witness Printer took 30.23 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:49,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 8]: 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: 8]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.60 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.88 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.12 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2814.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2169.75 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 30.23 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...