./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c --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_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/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 a9ad6ad46925d70ccfe8113c6806757723d44310 ............................................................................................................................................................................................................ 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_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/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 a9ad6ad46925d70ccfe8113c6806757723d44310 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:13:19,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:13:19,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:13:19,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:13:19,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:13:19,663 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:13:19,664 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:13:19,665 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:13:19,666 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:13:19,667 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:13:19,667 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:13:19,668 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:13:19,668 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:13:19,669 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:13:19,670 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:13:19,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:13:19,671 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:13:19,672 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:13:19,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:13:19,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:13:19,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:13:19,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:13:19,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:13:19,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:13:19,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:13:19,679 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:13:19,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:13:19,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:13:19,681 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:13:19,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:13:19,682 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:13:19,682 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:13:19,682 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:13:19,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:13:19,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:13:19,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:13:19,683 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:13:19,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:13:19,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:13:19,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:13:19,694 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:13:19,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:13:19,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:13:19,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:13:19,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:13:19,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:13:19,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:13:19,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:13:19,696 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:13:19,696 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:13:19,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:13:19,697 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:13:19,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:13:19,698 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_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2018-11-09 23:13:19,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:13:19,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:13:19,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:13:19,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:13:19,737 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:13:19,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-09 23:13:19,782 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/1c0756fd9/e85d8e62fa834878b8fcd65c9a6cf79c/FLAG6862e165c [2018-11-09 23:13:20,105 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:13:20,105 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-09 23:13:20,110 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/1c0756fd9/e85d8e62fa834878b8fcd65c9a6cf79c/FLAG6862e165c [2018-11-09 23:13:20,120 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/1c0756fd9/e85d8e62fa834878b8fcd65c9a6cf79c [2018-11-09 23:13:20,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:13:20,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:13:20,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:13:20,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:13:20,128 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:13:20,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d586551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20, skipping insertion in model container [2018-11-09 23:13:20,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:13:20,156 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:13:20,256 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:13:20,260 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:13:20,272 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:13:20,280 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:13:20,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20 WrapperNode [2018-11-09 23:13:20,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:13:20,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:13:20,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:13:20,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:13:20,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:13:20,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:13:20,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:13:20,301 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:13:20,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:13:20,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:13:20,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:13:20,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:13:20,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/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 [2018-11-09 23:13:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:13:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:13:20,475 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:13:20,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:20 BoogieIcfgContainer [2018-11-09 23:13:20,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:13:20,476 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:13:20,476 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:13:20,483 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:13:20,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:20" (1/1) ... [2018-11-09 23:13:20,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:13:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-09 23:13:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-09 23:13:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-09 23:13:20,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:20,606 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-09 23:13:20,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:13:20 ImpRootNode [2018-11-09 23:13:20,619 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:13:20,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:13:20,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:13:20,620 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:13:20,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:20" (3/4) ... [2018-11-09 23:13:20,623 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 23:13:20,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:13:20,624 INFO L168 Benchmark]: Toolchain (without parser) took 500.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:20,625 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:20,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.78 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:20,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.78 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:20,627 INFO L168 Benchmark]: Boogie Preprocessor took 9.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:20,627 INFO L168 Benchmark]: RCFGBuilder took 165.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:20,628 INFO L168 Benchmark]: CodeCheck took 142.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:20,629 INFO L168 Benchmark]: Witness Printer took 3.61 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. [2018-11-09 23:13:20,631 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, 9 locations, 1 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: 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 = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 0.f) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.78 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 19.78 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 165.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 142.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.61 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 [2018-11-09 23:13:22,129 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:13:22,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:13:22,138 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:13:22,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:13:22,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:13:22,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:13:22,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:13:22,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:13:22,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:13:22,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:13:22,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:13:22,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:13:22,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:13:22,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:13:22,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:13:22,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:13:22,150 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:13:22,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:13:22,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:13:22,153 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:13:22,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:13:22,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:13:22,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:13:22,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:13:22,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:13:22,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:13:22,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:13:22,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:13:22,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:13:22,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:13:22,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:13:22,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:13:22,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:13:22,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:13:22,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:13:22,162 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-09 23:13:22,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:13:22,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:13:22,174 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:13:22,174 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:13:22,175 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:13:22,175 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:13:22,175 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:13:22,176 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:13:22,177 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:13:22,177 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:13:22,177 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:13:22,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:13:22,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:13:22,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:13:22,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:13:22,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:13:22,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:13:22,178 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-09 23:13:22,178 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-09 23:13:22,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:13:22,178 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-09 23:13:22,178 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-09 23:13:22,178 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_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2018-11-09 23:13:22,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:13:22,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:13:22,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:13:22,218 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:13:22,218 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:13:22,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-09 23:13:22,256 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/588955fb1/587b02e77a4446abb3edcdb9fcd46b42/FLAG71fb11da6 [2018-11-09 23:13:22,585 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:13:22,586 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-09 23:13:22,590 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/588955fb1/587b02e77a4446abb3edcdb9fcd46b42/FLAG71fb11da6 [2018-11-09 23:13:22,598 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/data/588955fb1/587b02e77a4446abb3edcdb9fcd46b42 [2018-11-09 23:13:22,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:13:22,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:13:22,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:13:22,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:13:22,605 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:13:22,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ff5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22, skipping insertion in model container [2018-11-09 23:13:22,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:13:22,625 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:13:22,727 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:13:22,732 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:13:22,742 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:13:22,752 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:13:22,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22 WrapperNode [2018-11-09 23:13:22,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:13:22,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:13:22,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:13:22,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:13:22,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:13:22,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:13:22,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:13:22,774 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:13:22,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... [2018-11-09 23:13:22,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:13:22,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:13:22,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:13:22,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:13:22,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/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 [2018-11-09 23:13:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:13:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:13:23,005 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:13:23,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:23 BoogieIcfgContainer [2018-11-09 23:13:23,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:13:23,006 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:13:23,006 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:13:23,013 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:13:23,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:23" (1/1) ... [2018-11-09 23:13:23,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:13:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-09 23:13:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-09 23:13:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-09 23:13:23,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:23,085 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-09 23:13:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:23,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:13:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-09 23:13:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-09 23:13:23,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 23:13:23,939 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-09 23:13:23,946 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 23:13:23,956 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:13:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:13:23 ImpRootNode [2018-11-09 23:13:23,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:13:23,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:13:23,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:13:23,959 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:13:23,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:23" (3/4) ... [2018-11-09 23:13:23,963 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 23:13:23,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-09 23:13:23,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-09 23:13:23,971 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-09 23:13:23,999 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aed01198-ab2d-4a25-9f71-31d8ec19dd8b/bin-2019/ukojak/witness.graphml [2018-11-09 23:13:23,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:13:24,000 INFO L168 Benchmark]: Toolchain (without parser) took 1399.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 949.8 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:24,001 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-09 23:13:24,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:24,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.70 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:24,002 INFO L168 Benchmark]: Boogie Preprocessor took 13.63 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:24,002 INFO L168 Benchmark]: RCFGBuilder took 218.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:24,002 INFO L168 Benchmark]: CodeCheck took 952.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:24,003 INFO L168 Benchmark]: Witness Printer took 40.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:24,005 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, 9 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s 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 0.11 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 150.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 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 20.70 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.63 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 218.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 952.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Witness Printer took 40.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...