./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-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_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ................................................................................................................................................................................................................... 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_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ...................................................................................................................................................................................................... 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 [2018-10-26 20:46:05,918 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:46:05,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:46:05,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:46:05,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:46:05,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:46:05,934 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:46:05,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:46:05,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:46:05,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:46:05,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:46:05,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:46:05,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:46:05,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:46:05,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:46:05,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:46:05,947 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:46:05,949 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:46:05,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:46:05,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:46:05,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:46:05,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:46:05,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:46:05,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:46:05,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:46:05,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:46:05,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:46:05,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:46:05,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:46:05,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:46:05,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:46:05,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:46:05,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:46:05,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:46:05,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:46:05,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:46:05,968 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:46:05,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:46:05,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:46:05,983 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:46:05,983 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:46:05,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:46:05,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:46:05,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:46:05,984 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:46:05,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:46:05,984 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:46:05,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:46:05,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:46:05,985 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:46:05,985 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:46:05,987 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:46:05,987 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:46:05,987 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:46:05,988 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:46:05,988 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:46:05,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:46:05,988 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:46:05,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:46:05,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:46:05,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:46:05,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:46:05,989 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:46:05,989 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:46:05,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:46:05,990 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_f69ae24a-b1ef-420b-870c-ce9763f942b8/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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2018-10-26 20:46:06,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:46:06,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:46:06,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:46:06,041 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:46:06,042 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:46:06,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-10-26 20:46:06,103 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/9ecc9133f/4b7717ab3a3242b4817b093ba1e4c3ce/FLAG592347847 [2018-10-26 20:46:06,470 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:46:06,471 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-10-26 20:46:06,475 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/9ecc9133f/4b7717ab3a3242b4817b093ba1e4c3ce/FLAG592347847 [2018-10-26 20:46:06,490 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/9ecc9133f/4b7717ab3a3242b4817b093ba1e4c3ce [2018-10-26 20:46:06,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:46:06,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:46:06,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:46:06,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:46:06,500 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:46:06,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c869f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06, skipping insertion in model container [2018-10-26 20:46:06,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:46:06,531 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:46:06,671 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:46:06,675 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:46:06,688 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:46:06,702 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:46:06,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06 WrapperNode [2018-10-26 20:46:06,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:46:06,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:46:06,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:46:06,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:46:06,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:46:06,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:46:06,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:46:06,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:46:06,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... [2018-10-26 20:46:06,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:46:06,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:46:06,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:46:06,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:46:06,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:46:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:46:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:46:07,206 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:46:07,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:46:07 BoogieIcfgContainer [2018-10-26 20:46:07,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:46:07,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:46:07,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:46:07,219 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:46:07,219 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:46:07" (1/1) ... [2018-10-26 20:46:07,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:46:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:46:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-26 20:46:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-26 20:46:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-26 20:46:07,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:46:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:46:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:46:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:46:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:46:07,407 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 20:46:07,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:46:07 ImpRootNode [2018-10-26 20:46:07,434 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:46:07,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:46:07,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:46:07,435 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:46:07,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:46:07" (3/4) ... [2018-10-26 20:46:07,441 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:46:07,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:46:07,442 INFO L168 Benchmark]: Toolchain (without parser) took 948.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 959.7 MB in the beginning and 1.2 GB in the end (delta: -196.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:46:07,444 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:46:07,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:46:07,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.63 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:46:07,448 INFO L168 Benchmark]: Boogie Preprocessor took 16.83 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:46:07,448 INFO L168 Benchmark]: RCFGBuilder took 452.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:46:07,450 INFO L168 Benchmark]: CodeCheck took 226.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:46:07,451 INFO L168 Benchmark]: Witness Printer took 6.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:46:07,458 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 / 2.5; 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 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 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 33.63 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.83 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 452.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 226.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:46:09,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:46:09,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:46:09,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:46:09,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:46:09,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:46:09,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:46:09,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:46:09,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:46:09,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:46:09,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:46:09,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:46:09,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:46:09,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:46:09,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:46:09,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:46:09,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:46:09,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:46:09,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:46:09,688 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:46:09,689 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:46:09,690 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:46:09,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:46:09,693 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:46:09,693 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:46:09,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:46:09,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:46:09,696 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:46:09,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:46:09,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:46:09,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:46:09,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:46:09,700 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:46:09,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:46:09,702 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:46:09,703 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:46:09,703 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 20:46:09,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:46:09,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:46:09,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:46:09,719 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:46:09,719 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:46:09,720 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:46:09,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:46:09,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:46:09,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:46:09,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:46:09,721 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:46:09,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:46:09,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:46:09,721 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:46:09,723 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:46:09,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:46:09,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:46:09,723 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:46:09,724 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:46:09,724 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:46:09,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:46:09,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:46:09,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:46:09,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:46:09,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:46:09,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:46:09,725 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 20:46:09,725 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:46:09,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:46:09,726 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:46:09,726 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:46:09,726 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_f69ae24a-b1ef-420b-870c-ce9763f942b8/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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2018-10-26 20:46:09,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:46:09,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:46:09,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:46:09,792 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:46:09,793 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:46:09,793 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-10-26 20:46:09,860 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/4d4fc2b7c/db9cb8491aaf45b4adf5ce979fb91419/FLAGbe55c8a69 [2018-10-26 20:46:10,279 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:46:10,280 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-10-26 20:46:10,287 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/4d4fc2b7c/db9cb8491aaf45b4adf5ce979fb91419/FLAGbe55c8a69 [2018-10-26 20:46:10,303 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/data/4d4fc2b7c/db9cb8491aaf45b4adf5ce979fb91419 [2018-10-26 20:46:10,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:46:10,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:46:10,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:46:10,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:46:10,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:46:10,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611ef29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10, skipping insertion in model container [2018-10-26 20:46:10,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:46:10,349 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:46:10,501 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:46:10,508 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:46:10,525 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:46:10,541 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:46:10,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10 WrapperNode [2018-10-26 20:46:10,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:46:10,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:46:10,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:46:10,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:46:10,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:46:10,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:46:10,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:46:10,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:46:10,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... [2018-10-26 20:46:10,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:46:10,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:46:10,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:46:10,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:46:10,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:46:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f69ae24a-b1ef-420b-870c-ce9763f942b8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:46:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:46:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:46:12,899 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:46:12,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:46:12 BoogieIcfgContainer [2018-10-26 20:46:12,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:46:12,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:46:12,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:46:12,913 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:46:12,914 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:46:12" (1/1) ... [2018-10-26 20:46:12,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:46:12,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:46:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-26 20:46:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-26 20:46:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-26 20:46:12,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:46:13,011 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:46:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:46:21,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:46:29,988 WARN L179 SmtUtils]: Spent 6.70 s on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 20:46:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:46:55,248 WARN L179 SmtUtils]: Spent 13.38 s on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 20:47:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:47:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-26 20:47:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-26 20:47:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 20:47:37,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:47:37,356 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:47:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 20:47:47,827 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) [2018-10-26 20:47:47,830 INFO L168 Benchmark]: Toolchain (without parser) took 97522.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:47,831 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:47,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.42 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:47,836 INFO L168 Benchmark]: Boogie Preprocessor took 21.63 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,837 INFO L168 Benchmark]: RCFGBuilder took 2298.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,838 INFO L168 Benchmark]: CodeCheck took 94929.31 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,843 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.42 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.63 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2298.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 94929.31 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...