./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.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_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ......................................................................................................................................................................................................................... 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_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:59:34,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:59:34,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:59:34,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:59:34,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:59:34,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:59:34,404 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:59:34,405 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:59:34,406 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:59:34,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:59:34,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:59:34,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:59:34,408 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:59:34,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:59:34,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:59:34,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:59:34,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:59:34,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:59:34,413 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:59:34,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:59:34,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:59:34,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:59:34,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:59:34,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:59:34,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:59:34,419 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:59:34,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:59:34,420 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:59:34,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:59:34,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:59:34,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:59:34,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:59:34,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:59:34,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:59:34,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:59:34,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:59:34,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:59:34,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:59:34,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:59:34,435 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:59:34,436 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:59:34,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:59:34,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:59:34,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:59:34,437 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:59:34,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:59:34,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:59:34,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:59:34,438 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:59:34,438 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:59:34,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:59:34,438 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:59:34,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:59:34,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:59:34,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:59:34,439 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:59:34,439 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:59:34,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:59:34,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:59:34,439 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_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2018-10-27 00:59:34,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:59:34,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:59:34,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:59:34,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:59:34,485 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:59:34,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-10-27 00:59:34,530 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/a7860d72a/058a4ea640cc41bd9558f76e59b00b27/FLAG95fc26568 [2018-10-27 00:59:34,899 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:59:34,899 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-10-27 00:59:34,904 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/a7860d72a/058a4ea640cc41bd9558f76e59b00b27/FLAG95fc26568 [2018-10-27 00:59:34,915 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/a7860d72a/058a4ea640cc41bd9558f76e59b00b27 [2018-10-27 00:59:34,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:59:34,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:59:34,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:59:34,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:59:34,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:59:34,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:59:34" (1/1) ... [2018-10-27 00:59:34,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2add98d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:34, skipping insertion in model container [2018-10-27 00:59:34,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:59:34" (1/1) ... [2018-10-27 00:59:34,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:59:34,950 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:59:35,060 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:59:35,064 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:59:35,077 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:59:35,089 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:59:35,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35 WrapperNode [2018-10-27 00:59:35,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:59:35,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:59:35,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:59:35,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:59:35,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:59:35,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:59:35,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:59:35,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:59:35,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:59:35,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:59:35,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:59:35,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:59:35,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:59:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:59:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:59:35,499 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:59:35,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:59:35 BoogieIcfgContainer [2018-10-27 00:59:35,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:59:35,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:59:35,500 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:59:35,510 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:59:35,510 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:59:35" (1/1) ... [2018-10-27 00:59:35,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:59:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:59:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-27 00:59:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-27 00:59:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 00:59:35,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:59:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:59:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:59:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:59:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:59:35,731 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-27 00:59:35,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:59:35 ImpRootNode [2018-10-27 00:59:35,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:59:35,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:59:35,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:59:35,787 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:59:35,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:59:35" (3/4) ... [2018-10-27 00:59:35,791 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:59:35,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:59:35,799 INFO L168 Benchmark]: Toolchain (without parser) took 879.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:59:35,800 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. [2018-10-27 00:59:35,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.37 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:59:35,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.13 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:59:35,803 INFO L168 Benchmark]: Boogie Preprocessor took 13.54 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:59:35,804 INFO L168 Benchmark]: RCFGBuilder took 368.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:59:35,814 INFO L168 Benchmark]: CodeCheck took 286.43 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:59:35,815 INFO L168 Benchmark]: Witness Printer took 11.37 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:59:35,820 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, 4 NumberOfCodeBlocks, 4 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: 25]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L1] int __return_main; [L7] float main__x = 1.0; [L8] float main__x1 = main__x / 1.600000023841858; VAL [__return_main=0] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L25] __VERIFIER_error() VAL [__return_main=0] * 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 168.37 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.13 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.54 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 368.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 286.43 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 11.37 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:59:37,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:59:37,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:59:37,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:59:37,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:59:37,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:59:37,701 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:59:37,703 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:59:37,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:59:37,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:59:37,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:59:37,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:59:37,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:59:37,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:59:37,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:59:37,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:59:37,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:59:37,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:59:37,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:59:37,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:59:37,728 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:59:37,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:59:37,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:59:37,731 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:59:37,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:59:37,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:59:37,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:59:37,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:59:37,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:59:37,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:59:37,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:59:37,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:59:37,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:59:37,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:59:37,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:59:37,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:59:37,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-27 00:59:37,757 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:59:37,758 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:59:37,759 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:59:37,760 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:59:37,760 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:59:37,761 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:59:37,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:59:37,761 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:59:37,762 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:59:37,763 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:59:37,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:59:37,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:59:37,763 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:59:37,763 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:59:37,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:59:37,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:59:37,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:59:37,764 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:59:37,765 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:59:37,765 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_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2018-10-27 00:59:37,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:59:37,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:59:37,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:59:37,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:59:37,819 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:59:37,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-10-27 00:59:37,864 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/8f4f66c7a/976c121466e14047b5928d679ff45718/FLAG2e17e70f3 [2018-10-27 00:59:38,226 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:59:38,226 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-10-27 00:59:38,231 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/8f4f66c7a/976c121466e14047b5928d679ff45718/FLAG2e17e70f3 [2018-10-27 00:59:38,241 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/data/8f4f66c7a/976c121466e14047b5928d679ff45718 [2018-10-27 00:59:38,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:59:38,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:59:38,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:59:38,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:59:38,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:59:38,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470950e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38, skipping insertion in model container [2018-10-27 00:59:38,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:59:38,278 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:59:38,436 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:59:38,444 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:59:38,460 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:59:38,474 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:59:38,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38 WrapperNode [2018-10-27 00:59:38,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:59:38,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:59:38,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:59:38,475 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:59:38,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:59:38,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:59:38,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:59:38,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:59:38,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... [2018-10-27 00:59:38,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:59:38,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:59:38,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:59:38,527 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:59:38,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:59:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ef7e142-cd5f-4cab-b5b1-054a88bc8856/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:59:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:59:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:59:42,684 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:59:42,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:59:42 BoogieIcfgContainer [2018-10-27 00:59:42,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:59:42,686 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:59:42,686 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:59:42,697 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:59:42,697 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:59:42" (1/1) ... [2018-10-27 00:59:42,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:59:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:59:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-27 00:59:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-27 00:59:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 00:59:42,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:59:42,792 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:59:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:59:46,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:59:56,689 WARN L854 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_main_~main__x1~0 ((_ to_fp 8 24) RNE (fp.div RNE ((_ to_fp 11 53) RNE c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) RNE (/ 800000011920929.0 500000000000000.0))))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) c_ULTIMATE.start_main_~main__x~0)) is different from true [2018-10-27 00:59:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:14,074 WARN L179 SmtUtils]: Spent 9.83 s on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 01:00:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-27 01:00:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-27 01:00:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 01:00:32,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:32,225 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 01:00:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:35,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 01:00:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-10-27 01:00:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-10-27 01:00:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 01:00:35,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:35,059 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 01:00:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:43,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 01:00:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 10 states and 16 transitions. [2018-10-27 01:00:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. [2018-10-27 01:00:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 01:00:43,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:43,194 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 01:00:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-27 01:00:53,473 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 01:00:53,476 INFO L168 Benchmark]: Toolchain (without parser) took 75230.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:00:53,477 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:00:53,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 01:00:53,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:00:53,479 INFO L168 Benchmark]: Boogie Preprocessor took 21.79 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 01:00:53,480 INFO L168 Benchmark]: RCFGBuilder took 4159.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -219.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-10-27 01:00:53,481 INFO L168 Benchmark]: CodeCheck took 70790.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-27 01:00:53,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 227.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 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 28.69 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.79 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4159.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -219.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 70790.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...