./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact_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_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 .............................................................................................................................................................................................................................. 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_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:15:22,772 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:15:22,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:15:22,781 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:15:22,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:15:22,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:15:22,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:15:22,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:15:22,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:15:22,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:15:22,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:15:22,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:15:22,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:15:22,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:15:22,789 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:15:22,790 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:15:22,790 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:15:22,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:15:22,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:15:22,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:15:22,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:15:22,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:15:22,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:15:22,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:15:22,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:15:22,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:15:22,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:15:22,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:15:22,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:15:22,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:15:22,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:15:22,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:15:22,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:15:22,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:15:22,801 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:15:22,802 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:15:22,802 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-03 01:15:22,812 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:15:22,812 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:15:22,813 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:15:22,813 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-03 01:15:22,813 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:15:22,813 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:15:22,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:15:22,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:15:22,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:15:22,814 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 01:15:22,814 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 01:15:22,814 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:15:22,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:15:22,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:15:22,815 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_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-12-03 01:15:22,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:15:22,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:15:22,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:15:22,845 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:15:22,845 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:15:22,846 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-12-03 01:15:22,887 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/774f9e380/df9572db16344d9583cc02df8513c3e9/FLAG8de244470 [2018-12-03 01:15:23,281 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:15:23,281 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-12-03 01:15:23,284 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/774f9e380/df9572db16344d9583cc02df8513c3e9/FLAG8de244470 [2018-12-03 01:15:23,292 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/774f9e380/df9572db16344d9583cc02df8513c3e9 [2018-12-03 01:15:23,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:15:23,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:15:23,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:15:23,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:15:23,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:15:23,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23, skipping insertion in model container [2018-12-03 01:15:23,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:15:23,311 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:15:23,392 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:15:23,394 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:15:23,402 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:15:23,410 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:15:23,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23 WrapperNode [2018-12-03 01:15:23,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:15:23,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:15:23,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:15:23,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:15:23,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:15:23,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:15:23,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:15:23,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:15:23,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:15:23,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:15:23,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:15:23,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:15:23,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/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 [2018-12-03 01:15:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:15:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:15:23,575 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:15:23,575 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-03 01:15:23,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:23 BoogieIcfgContainer [2018-12-03 01:15:23,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:15:23,576 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 01:15:23,576 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 01:15:23,583 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 01:15:23,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:23" (1/1) ... [2018-12-03 01:15:23,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:15:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:15:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-03 01:15:23,611 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-03 01:15:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:15:23,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:15:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:15:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:15:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:15:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:15:23,683 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-03 01:15:23,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:15:23 ImpRootNode [2018-12-03 01:15:23,698 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 01:15:23,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:15:23,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:15:23,698 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:15:23,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:23" (3/4) ... [2018-12-03 01:15:23,702 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 01:15:23,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:15:23,702 INFO L168 Benchmark]: Toolchain (without parser) took 408.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:15:23,704 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. [2018-12-03 01:15:23,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.50 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:23,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.36 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:15:23,705 INFO L168 Benchmark]: Boogie Preprocessor took 37.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:23,706 INFO L168 Benchmark]: RCFGBuilder took 108.45 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:23,706 INFO L168 Benchmark]: CodeCheck took 121.67 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:23,707 INFO L168 Benchmark]: Witness Printer took 3.85 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. [2018-12-03 01:15:23,709 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L4] COND TRUE !(cond) [L4] __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 115.50 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.36 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 108.45 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 121.67 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.85 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 [2018-12-03 01:15:25,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:15:25,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:15:25,023 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:15:25,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:15:25,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:15:25,025 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:15:25,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:15:25,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:15:25,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:15:25,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:15:25,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:15:25,030 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:15:25,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:15:25,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:15:25,032 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:15:25,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:15:25,034 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:15:25,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:15:25,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:15:25,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:15:25,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:15:25,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:15:25,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:15:25,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:15:25,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:15:25,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:15:25,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:15:25,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:15:25,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:15:25,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:15:25,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:15:25,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:15:25,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:15:25,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:15:25,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:15:25,045 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-03 01:15:25,056 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:15:25,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:15:25,057 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:15:25,057 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-03 01:15:25,057 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:15:25,058 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:15:25,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:15:25,059 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 01:15:25,059 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 01:15:25,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:15:25,060 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:15:25,060 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 01:15:25,061 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 01:15:25,061 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_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-12-03 01:15:25,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:15:25,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:15:25,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:15:25,095 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:15:25,095 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:15:25,096 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-12-03 01:15:25,136 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/51ba504ef/0c647afa384b43dd903ef11204592438/FLAG8e0aba00a [2018-12-03 01:15:25,551 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:15:25,551 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-12-03 01:15:25,555 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/51ba504ef/0c647afa384b43dd903ef11204592438/FLAG8e0aba00a [2018-12-03 01:15:25,563 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/data/51ba504ef/0c647afa384b43dd903ef11204592438 [2018-12-03 01:15:25,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:15:25,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:15:25,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:15:25,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:15:25,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:15:25,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,571 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 03.12 01:15:25, skipping insertion in model container [2018-12-03 01:15:25,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:15:25,584 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:15:25,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:15:25,671 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:15:25,679 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:15:25,687 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:15:25,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25 WrapperNode [2018-12-03 01:15:25,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:15:25,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:15:25,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:15:25,689 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:15:25,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:15:25,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:15:25,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:15:25,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:15:25,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:15:25,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:15:25,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:15:25,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:15:25,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/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 [2018-12-03 01:15:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:15:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:15:25,874 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:15:25,874 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-03 01:15:25,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:25 BoogieIcfgContainer [2018-12-03 01:15:25,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:15:25,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 01:15:25,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 01:15:25,881 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 01:15:25,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:25" (1/1) ... [2018-12-03 01:15:25,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:15:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:15:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-03 01:15:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-03 01:15:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:15:25,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:15:25,940 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-03 01:15:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:15:26,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:15:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:15:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:15:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-12-03 01:15:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-12-03 01:15:26,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:15:26,487 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-03 01:15:26,492 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-03 01:15:26,497 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:15:26,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:15:26 ImpRootNode [2018-12-03 01:15:26,500 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 01:15:26,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:15:26,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:15:26,500 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:15:26,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:25" (3/4) ... [2018-12-03 01:15:26,502 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:15:26,508 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 01:15:26,508 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:15:26,508 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:15:26,530 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_222658e6-b9fa-4c0a-b6c3-5cd7b0482bc2/bin-2019/ukojak/witness.graphml [2018-12-03 01:15:26,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:15:26,530 INFO L168 Benchmark]: Toolchain (without parser) took 964.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 62.9 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -73.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:15:26,531 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-03 01:15:26,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.30 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. [2018-12-03 01:15:26,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.58 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. [2018-12-03 01:15:26,532 INFO L168 Benchmark]: Boogie Preprocessor took 12.64 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. [2018-12-03 01:15:26,532 INFO L168 Benchmark]: RCFGBuilder took 153.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 62.9 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -110.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:26,533 INFO L168 Benchmark]: CodeCheck took 624.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:26,533 INFO L168 Benchmark]: Witness Printer took 30.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:15:26,535 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, 0.5s 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, 0.3s 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 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: 4]: 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: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.30 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 19.58 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 12.64 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 153.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 62.9 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -110.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 624.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Witness Printer took 30.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...