./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/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_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/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_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/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_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/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 0.1.23-635dfa2 [2018-12-09 05:27:33,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:27:33,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:27:33,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:27:33,786 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:27:33,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:27:33,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:27:33,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:27:33,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:27:33,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:27:33,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:27:33,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:27:33,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:27:33,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:27:33,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:27:33,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:27:33,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:27:33,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:27:33,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:27:33,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:27:33,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:27:33,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:27:33,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:27:33,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:27:33,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:27:33,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:27:33,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:27:33,797 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:27:33,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:27:33,798 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:27:33,798 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:27:33,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:27:33,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:27:33,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:27:33,799 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:27:33,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:27:33,800 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 05:27:33,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:27:33,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:27:33,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:27:33,808 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 05:27:33,808 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:27:33,808 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:27:33,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:27:33,808 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:27:33,808 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:27:33,808 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:27:33,809 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 05:27:33,809 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 05:27:33,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:27:33,810 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:27:33,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:27:33,810 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_709577ec-c72a-415d-abb6-a8ff56c3b7dd/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 [2018-12-09 05:27:33,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:27:33,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:27:33,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:27:33,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:27:33,841 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:27:33,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-12-09 05:27:33,881 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/c34b5a4ad/38a66c0c43db4122857b315fac396619/FLAGce534bb76 [2018-12-09 05:27:34,267 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:27:34,267 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-12-09 05:27:34,272 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/c34b5a4ad/38a66c0c43db4122857b315fac396619/FLAGce534bb76 [2018-12-09 05:27:34,281 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/c34b5a4ad/38a66c0c43db4122857b315fac396619 [2018-12-09 05:27:34,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:27:34,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:27:34,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:34,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:27:34,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:27:34,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b10c34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34, skipping insertion in model container [2018-12-09 05:27:34,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:27:34,301 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:27:34,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:34,391 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:27:34,399 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:34,407 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:27:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34 WrapperNode [2018-12-09 05:27:34,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:34,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:34,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:27:34,408 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:27:34,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:34,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:27:34,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:27:34,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:27:34,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:27:34,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:27:34,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:27:34,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:27:34,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:27:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:27:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:27:34,574 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:27:34,575 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 05:27:34,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:34 BoogieIcfgContainer [2018-12-09 05:27:34,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:27:34,575 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 05:27:34,575 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 05:27:34,581 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 05:27:34,582 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:34" (1/1) ... [2018-12-09 05:27:34,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:27:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:27:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 05:27:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 05:27:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 05:27:34,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:27:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:27:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:27:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:27:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:27:34,678 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 05:27:34,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:27:34 ImpRootNode [2018-12-09 05:27:34,692 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 05:27:34,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:27:34,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:27:34,693 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:27:34,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:34" (3/4) ... [2018-12-09 05:27:34,695 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 05:27:34,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:27:34,696 INFO L168 Benchmark]: Toolchain (without parser) took 413.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:34,697 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:34,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.14 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:34,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.47 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:34,698 INFO L168 Benchmark]: Boogie Preprocessor took 43.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:34,699 INFO L168 Benchmark]: RCFGBuilder took 104.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:34,699 INFO L168 Benchmark]: CodeCheck took 117.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-09 05:27:34,699 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:27:34,702 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, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.14 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.47 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 104.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 117.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:27:35,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:27:35,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:27:35,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:27:35,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:27:35,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:27:35,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:27:36,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:27:36,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:27:36,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:27:36,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:27:36,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:27:36,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:27:36,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:27:36,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:27:36,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:27:36,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:27:36,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:27:36,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:27:36,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:27:36,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:27:36,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:27:36,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:27:36,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:27:36,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:27:36,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:27:36,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:27:36,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:27:36,010 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:27:36,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:27:36,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:27:36,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:27:36,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:27:36,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:27:36,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:27:36,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:27:36,012 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 05:27:36,019 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:27:36,019 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:27:36,020 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:27:36,020 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 05:27:36,020 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:27:36,020 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:27:36,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 05:27:36,021 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:27:36,022 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 05:27:36,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:27:36,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:27:36,022 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:27:36,023 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 05:27:36,023 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 05:27:36,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:27:36,023 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 05:27:36,023 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 05:27:36,023 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_709577ec-c72a-415d-abb6-a8ff56c3b7dd/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 [2018-12-09 05:27:36,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:27:36,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:27:36,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:27:36,054 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:27:36,055 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:27:36,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-12-09 05:27:36,099 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/cc77e5441/ec66ad9747a046cb94930617562964f6/FLAGc67e5e788 [2018-12-09 05:27:36,498 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:27:36,499 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-12-09 05:27:36,503 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/cc77e5441/ec66ad9747a046cb94930617562964f6/FLAGc67e5e788 [2018-12-09 05:27:36,512 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/data/cc77e5441/ec66ad9747a046cb94930617562964f6 [2018-12-09 05:27:36,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:27:36,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:27:36,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:36,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:27:36,519 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:27:36,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf430f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36, skipping insertion in model container [2018-12-09 05:27:36,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:27:36,538 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:27:36,622 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:36,626 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:27:36,635 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:27:36,644 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:27:36,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36 WrapperNode [2018-12-09 05:27:36,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:27:36,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:36,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:27:36,645 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:27:36,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:27:36,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:27:36,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:27:36,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:27:36,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... [2018-12-09 05:27:36,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:27:36,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:27:36,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:27:36,678 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:27:36,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_709577ec-c72a-415d-abb6-a8ff56c3b7dd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:27:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:27:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:27:37,525 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:27:37,525 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 05:27:37,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:37 BoogieIcfgContainer [2018-12-09 05:27:37,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:27:37,526 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 05:27:37,526 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 05:27:37,532 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 05:27:37,532 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:37" (1/1) ... [2018-12-09 05:27:37,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:27:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:27:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 05:27:37,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 05:27:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 05:27:37,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:27:37,591 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 05:27:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:27:38,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:27:48,495 WARN L180 SmtUtils]: Spent 6.47 s on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 05:27:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:28:06,247 WARN L180 SmtUtils]: Spent 10.62 s on a formula simplification that was a NOOP. DAG size: 15 [2018-12-09 05:28:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:28:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 05:28:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 05:28:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 05:28:45,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:28:45,172 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 05:28:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-09 05:28:55,392 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:509) 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) [2018-12-09 05:28:55,395 INFO L168 Benchmark]: Toolchain (without parser) took 78880.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:28:55,396 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:28:55,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:28:55,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:28:55,398 INFO L168 Benchmark]: Boogie Preprocessor took 12.72 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:28:55,399 INFO L168 Benchmark]: RCFGBuilder took 847.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:28:55,400 INFO L168 Benchmark]: CodeCheck took 77869.04 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 05:28:55,402 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:509) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.72 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 847.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * CodeCheck took 77869.04 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...