./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/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 d83baf1cdb4ca03660244dae388672dd75d02b3f ........................................................................................................................................................................................................... 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_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/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 d83baf1cdb4ca03660244dae388672dd75d02b3f ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:36:21,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:36:21,457 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:36:21,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:36:21,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:36:21,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:36:21,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:36:21,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:36:21,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:36:21,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:36:21,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:36:21,477 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:36:21,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:36:21,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:36:21,481 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:36:21,482 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:36:21,482 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:36:21,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:36:21,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:36:21,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:36:21,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:36:21,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:36:21,493 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:36:21,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:36:21,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:36:21,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:36:21,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:36:21,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:36:21,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:36:21,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:36:21,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:36:21,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:36:21,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:36:21,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:36:21,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:36:21,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:36:21,505 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:36:21,522 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:36:21,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:36:21,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:36:21,523 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:36:21,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:36:21,524 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:36:21,524 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:36:21,524 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:36:21,524 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:36:21,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:36:21,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:36:21,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:36:21,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:36:21,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:36:21,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:36:21,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:36:21,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:36:21,526 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:36:21,526 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:36:21,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:36:21,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:36:21,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:36:21,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:36:21,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:36:21,533 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:36:21,533 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:36:21,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:36:21,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:36:21,534 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_88502f74-bcde-4fec-8ee1-2670e67ac3e5/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 -> d83baf1cdb4ca03660244dae388672dd75d02b3f [2018-10-26 21:36:21,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:36:21,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:36:21,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:36:21,598 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:36:21,598 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:36:21,599 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-10-26 21:36:21,664 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/c3a746fe8/3e67dfd387bd4efeb71826dd9a425ee7/FLAGd155b0e55 [2018-10-26 21:36:22,102 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:36:22,103 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-10-26 21:36:22,110 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/c3a746fe8/3e67dfd387bd4efeb71826dd9a425ee7/FLAGd155b0e55 [2018-10-26 21:36:22,136 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/c3a746fe8/3e67dfd387bd4efeb71826dd9a425ee7 [2018-10-26 21:36:22,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:36:22,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:36:22,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:36:22,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:36:22,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:36:22,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5a5f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22, skipping insertion in model container [2018-10-26 21:36:22,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:36:22,195 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:36:22,380 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:36:22,384 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:36:22,400 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:36:22,419 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:36:22,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22 WrapperNode [2018-10-26 21:36:22,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:36:22,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:36:22,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:36:22,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:36:22,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:36:22,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:36:22,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:36:22,463 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:36:22,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:36:22,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:36:22,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:36:22,477 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:36:22,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/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 [2018-10-26 21:36:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:36:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:36:22,910 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:36:22,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:36:22 BoogieIcfgContainer [2018-10-26 21:36:22,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:36:22,911 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:36:22,911 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:36:22,923 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:36:22,924 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:36:22" (1/1) ... [2018-10-26 21:36:22,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:36:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-26 21:36:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-26 21:36:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 21:36:22,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:36:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:36:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:36:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:36:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:36:23,099 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 21:36:23,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:36:23 ImpRootNode [2018-10-26 21:36:23,123 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:36:23,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:36:23,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:36:23,126 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:36:23,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:36:22" (3/4) ... [2018-10-26 21:36:23,133 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:36:23,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:36:23,135 INFO L168 Benchmark]: Toolchain (without parser) took 991.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:36:23,137 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:36:23,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.46 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 952.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:23,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.12 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 950.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:23,140 INFO L168 Benchmark]: Boogie Preprocessor took 13.73 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:36:23,141 INFO L168 Benchmark]: RCFGBuilder took 433.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:23,142 INFO L168 Benchmark]: CodeCheck took 214.20 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:23,145 INFO L168 Benchmark]: Witness Printer took 8.02 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. [2018-10-26 21:36:23,152 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, 12 locations, 2 error locations. UNSAFE Result, 0.1s 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 8, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L3] double x; [L4] int y; [L6] x=2 [L7] x-=0.6 [L8] y=x [L10] COND TRUE !(y==1) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.46 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 952.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.12 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 950.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.73 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 433.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * CodeCheck took 214.20 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Witness Printer took 8.02 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 0.1.23-1dbac8b [2018-10-26 21:36:25,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:36:25,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:36:25,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:36:25,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:36:25,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:36:25,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:36:25,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:36:25,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:36:25,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:36:25,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:36:25,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:36:25,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:36:25,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:36:25,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:36:25,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:36:25,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:36:25,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:36:25,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:36:25,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:36:25,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:36:25,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:36:25,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:36:25,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:36:25,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:36:25,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:36:25,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:36:25,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:36:25,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:36:25,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:36:25,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:36:25,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:36:25,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:36:25,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:36:25,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:36:25,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:36:25,568 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 21:36:25,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:36:25,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:36:25,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:36:25,585 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:36:25,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:36:25,586 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:36:25,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:36:25,586 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:36:25,587 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:36:25,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:36:25,587 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:36:25,587 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:36:25,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:36:25,588 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:36:25,588 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:36:25,588 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:36:25,588 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:36:25,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:36:25,589 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:36:25,589 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:36:25,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:36:25,590 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:36:25,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:36:25,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:36:25,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:36:25,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:36:25,591 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 21:36:25,591 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:36:25,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:36:25,592 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:36:25,592 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:36:25,592 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_88502f74-bcde-4fec-8ee1-2670e67ac3e5/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 -> d83baf1cdb4ca03660244dae388672dd75d02b3f [2018-10-26 21:36:25,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:36:25,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:36:25,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:36:25,681 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:36:25,682 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:36:25,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-10-26 21:36:25,754 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/51b8983ea/2cc93b3f5e25440a9b3737d03cfe8057/FLAG104f445a9 [2018-10-26 21:36:26,202 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:36:26,202 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-10-26 21:36:26,211 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/51b8983ea/2cc93b3f5e25440a9b3737d03cfe8057/FLAG104f445a9 [2018-10-26 21:36:26,229 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/data/51b8983ea/2cc93b3f5e25440a9b3737d03cfe8057 [2018-10-26 21:36:26,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:36:26,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:36:26,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:36:26,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:36:26,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:36:26,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c7a3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26, skipping insertion in model container [2018-10-26 21:36:26,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:36:26,293 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:36:26,491 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:36:26,499 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:36:26,516 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:36:26,532 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:36:26,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26 WrapperNode [2018-10-26 21:36:26,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:36:26,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:36:26,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:36:26,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:36:26,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:36:26,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:36:26,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:36:26,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:36:26,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... [2018-10-26 21:36:26,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:36:26,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:36:26,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:36:26,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:36:26,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:36:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/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 [2018-10-26 21:36:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:36:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:36:27,118 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:36:27,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:36:27 BoogieIcfgContainer [2018-10-26 21:36:27,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:36:27,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:36:27,119 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:36:27,133 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:36:27,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:36:27" (1/1) ... [2018-10-26 21:36:27,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:36:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-26 21:36:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-26 21:36:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 21:36:27,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:36:27,249 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:36:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:27,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:36:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:36:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:36:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-10-26 21:36:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-10-26 21:36:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 21:36:27,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:36:27,576 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:36:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:27,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:36:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:36:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:36:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2018-10-26 21:36:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2018-10-26 21:36:27,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:36:27,761 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-10-26 21:36:27,772 INFO L778 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-10-26 21:36:27,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:36:27 ImpRootNode [2018-10-26 21:36:27,796 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:36:27,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:36:27,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:36:27,797 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:36:27,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:36:27" (3/4) ... [2018-10-26 21:36:27,801 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:36:27,814 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 21:36:27,814 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:36:27,814 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:36:27,854 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88502f74-bcde-4fec-8ee1-2670e67ac3e5/bin-2019/ukojak/witness.graphml [2018-10-26 21:36:27,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:36:27,855 INFO L168 Benchmark]: Toolchain (without parser) took 1619.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:36:27,857 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:36:27,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.41 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:27,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:36:27,859 INFO L168 Benchmark]: Boogie Preprocessor took 21.38 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:27,860 INFO L168 Benchmark]: RCFGBuilder took 524.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:27,860 INFO L168 Benchmark]: CodeCheck took 676.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:27,861 INFO L168 Benchmark]: Witness Printer took 58.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:36:27,865 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, 12 locations, 2 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 5 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.41 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 38.24 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.38 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 524.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * CodeCheck took 676.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...