./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i --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_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/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 c9c4c4712c0b03f250e94d62f797a284bfa7b46f ................................................................................................................................................................................................................. 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_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/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 c9c4c4712c0b03f250e94d62f797a284bfa7b46f ........................................................................................................................................................................................................................... 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 [2018-11-09 23:37:29,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:37:29,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:37:29,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:37:29,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:37:29,471 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:37:29,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:37:29,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:37:29,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:37:29,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:37:29,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:37:29,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:37:29,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:37:29,476 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:37:29,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:37:29,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:37:29,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:37:29,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:37:29,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:37:29,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:37:29,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:37:29,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:37:29,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:37:29,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:37:29,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:37:29,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:37:29,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:37:29,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:37:29,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:37:29,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:37:29,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:37:29,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:37:29,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:37:29,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:37:29,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:37:29,490 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:37:29,490 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:37:29,500 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:37:29,501 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:37:29,501 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:37:29,501 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:37:29,502 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:37:29,502 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:37:29,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:37:29,502 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:37:29,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:37:29,503 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:37:29,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:37:29,504 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:37:29,504 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:37:29,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:37:29,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:37:29,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:37:29,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:37:29,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:37:29,505 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:37:29,505 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:37:29,505 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:37:29,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:37:29,505 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_c6add930-8a50-410e-a1d1-fb741af256df/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 -> c9c4c4712c0b03f250e94d62f797a284bfa7b46f [2018-11-09 23:37:29,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:37:29,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:37:29,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:37:29,536 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:37:29,536 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:37:29,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-11-09 23:37:29,570 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/56141de84/24d6befb85454c6dbfbd6d0fba2abc8d/FLAGf091a7cc5 [2018-11-09 23:37:29,867 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:37:29,868 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-11-09 23:37:29,871 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/56141de84/24d6befb85454c6dbfbd6d0fba2abc8d/FLAGf091a7cc5 [2018-11-09 23:37:29,880 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/56141de84/24d6befb85454c6dbfbd6d0fba2abc8d [2018-11-09 23:37:29,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:37:29,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:37:29,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:37:29,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:37:29,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:37:29,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:37:29" (1/1) ... [2018-11-09 23:37:29,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dabf2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29, skipping insertion in model container [2018-11-09 23:37:29,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:37:29" (1/1) ... [2018-11-09 23:37:29,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:37:29,906 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:37:30,004 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:37:30,006 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:37:30,015 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:37:30,023 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:37:30,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30 WrapperNode [2018-11-09 23:37:30,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:37:30,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:37:30,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:37:30,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:37:30,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:37:30,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:37:30,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:37:30,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:37:30,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:37:30,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:37:30,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:37:30,054 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:37:30,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:37:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:37:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:37:30,212 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:37:30,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:30 BoogieIcfgContainer [2018-11-09 23:37:30,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:37:30,213 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:37:30,213 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:37:30,219 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:37:30,219 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:30" (1/1) ... [2018-11-09 23:37:30,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:37:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:37:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-09 23:37:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-09 23:37:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-09 23:37:30,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:37:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:37:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:37:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:37:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-09 23:37:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-09 23:37:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:37:30,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:37:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:37:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:37:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:37:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:37:30,341 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-09 23:37:30,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:37:30 ImpRootNode [2018-11-09 23:37:30,356 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:37:30,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:37:30,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:37:30,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:37:30,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:30" (3/4) ... [2018-11-09 23:37:30,358 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 23:37:30,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:37:30,359 INFO L168 Benchmark]: Toolchain (without parser) took 476.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:37:30,360 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:37:30,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.64 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:37:30,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.22 ms. Allocated memory is still 1.0 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:37:30,361 INFO L168 Benchmark]: Boogie Preprocessor took 12.02 ms. Allocated memory is still 1.0 GB. Free memory was 944.0 MB in the beginning and 941.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:37:30,362 INFO L168 Benchmark]: RCFGBuilder took 158.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 941.3 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:37:30,362 INFO L168 Benchmark]: CodeCheck took 142.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:37:30,363 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:37:30,365 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, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L9] float x = 1.0f; [L10] float x1 = x/2.5f; [L12] COND FALSE !(x1 != x) [L18] CALL __VERIFIER_assert(x == 0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.64 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.22 ms. Allocated memory is still 1.0 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.02 ms. Allocated memory is still 1.0 GB. Free memory was 944.0 MB in the beginning and 941.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 941.3 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 142.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:37:31,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:37:31,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:37:31,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:37:31,822 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:37:31,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:37:31,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:37:31,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:37:31,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:37:31,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:37:31,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:37:31,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:37:31,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:37:31,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:37:31,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:37:31,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:37:31,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:37:31,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:37:31,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:37:31,835 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:37:31,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:37:31,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:37:31,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:37:31,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:37:31,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:37:31,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:37:31,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:37:31,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:37:31,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:37:31,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:37:31,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:37:31,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:37:31,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:37:31,843 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:37:31,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:37:31,844 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:37:31,844 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-09 23:37:31,855 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:37:31,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:37:31,856 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:37:31,856 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:37:31,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:37:31,857 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:37:31,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:37:31,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:37:31,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:37:31,859 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:37:31,859 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:37:31,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:37:31,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:37:31,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:37:31,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:37:31,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:37:31,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:37:31,860 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-09 23:37:31,860 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-09 23:37:31,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:37:31,860 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-09 23:37:31,860 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-09 23:37:31,860 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_c6add930-8a50-410e-a1d1-fb741af256df/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 -> c9c4c4712c0b03f250e94d62f797a284bfa7b46f [2018-11-09 23:37:31,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:37:31,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:37:31,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:37:31,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:37:31,899 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:37:31,899 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-11-09 23:37:31,935 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/655653460/fd51ccac4f404f56b1424f229dfd9682/FLAGad60d3258 [2018-11-09 23:37:32,251 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:37:32,252 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-11-09 23:37:32,255 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/655653460/fd51ccac4f404f56b1424f229dfd9682/FLAGad60d3258 [2018-11-09 23:37:32,263 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/data/655653460/fd51ccac4f404f56b1424f229dfd9682 [2018-11-09 23:37:32,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:37:32,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:37:32,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:37:32,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:37:32,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:37:32,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1e68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32, skipping insertion in model container [2018-11-09 23:37:32,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:37:32,292 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:37:32,397 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:37:32,402 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:37:32,414 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:37:32,424 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:37:32,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32 WrapperNode [2018-11-09 23:37:32,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:37:32,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:37:32,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:37:32,425 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:37:32,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:37:32,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:37:32,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:37:32,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:37:32,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... [2018-11-09 23:37:32,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:37:32,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:37:32,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:37:32,458 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:37:32,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add930-8a50-410e-a1d1-fb741af256df/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:37:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:37:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:37:33,043 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:37:33,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:33 BoogieIcfgContainer [2018-11-09 23:37:33,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:37:33,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:37:33,044 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:37:33,052 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:37:33,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:33" (1/1) ... [2018-11-09 23:37:33,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:37:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:37:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-09 23:37:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-09 23:37:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-09 23:37:33,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:37:33,113 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-09 23:37:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:37:33,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:37:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:37:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:37:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-09 23:37:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-09 23:37:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:37:33,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:37:33,141 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-09 23:37:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:37:33,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:37:34,025 WARN L179 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-09 23:37:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:37:34,836 WARN L179 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-09 23:37:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:37:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-09 23:37:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-09 23:37:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-09 23:37:38,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:37:38,920 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-09 23:37:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:37:42,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:37:43,737 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-09 23:37:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:37:45,163 WARN L179 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-09 23:37:49,469 WARN L179 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 17 [2018-11-09 23:37:54,564 WARN L179 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 18 [2018-11-09 23:38:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-09 23:38:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-09 23:38:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-09 23:38:01,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:01,848 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-09 23:38:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-09 23:38:12,091 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) [2018-11-09 23:38:12,093 INFO L168 Benchmark]: Toolchain (without parser) took 39828.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:12,094 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:38:12,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.22 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:12,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.61 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:38:12,095 INFO L168 Benchmark]: Boogie Preprocessor took 13.14 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:12,095 INFO L168 Benchmark]: RCFGBuilder took 586.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:12,096 INFO L168 Benchmark]: CodeCheck took 39048.60 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:12,098 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.22 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.61 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.14 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 586.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * CodeCheck took 39048.60 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...