./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/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 5d57b69a18e01217b153b00cc1c03d5a7a42828b ....................................................................................................................................................................................................................... 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_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/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 5d57b69a18e01217b153b00cc1c03d5a7a42828b ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:29:11,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:29:11,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:29:11,895 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:29:11,895 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:29:11,896 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:29:11,898 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:29:11,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:29:11,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:29:11,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:29:11,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:29:11,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:29:11,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:29:11,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:29:11,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:29:11,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:29:11,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:29:11,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:29:11,913 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:29:11,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:29:11,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:29:11,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:29:11,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:29:11,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:29:11,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:29:11,922 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:29:11,923 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:29:11,924 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:29:11,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:29:11,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:29:11,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:29:11,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:29:11,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:29:11,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:29:11,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:29:11,930 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:29:11,930 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:29:11,944 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:29:11,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:29:11,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:29:11,946 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:29:11,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:29:11,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:29:11,947 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:29:11,947 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:29:11,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:29:11,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:29:11,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:29:11,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:29:11,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:29:11,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:29:11,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:29:11,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:29:11,950 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:29:11,950 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:29:11,950 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:29:11,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:29:11,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:29:11,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:29:11,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:29:11,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:29:11,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:29:11,953 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:29:11,953 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:29:11,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:29:11,954 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_3a9abc42-3c48-4a13-9f11-3a53550fe273/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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2018-10-26 22:29:11,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:29:12,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:29:12,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:29:12,010 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:29:12,010 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:29:12,011 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-10-26 22:29:12,075 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/f5820fb09/d61d5a043f784ed881c88f00f3b20093/FLAG305ec729b [2018-10-26 22:29:12,485 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:29:12,486 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-10-26 22:29:12,493 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/f5820fb09/d61d5a043f784ed881c88f00f3b20093/FLAG305ec729b [2018-10-26 22:29:12,509 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/f5820fb09/d61d5a043f784ed881c88f00f3b20093 [2018-10-26 22:29:12,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:29:12,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:29:12,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:29:12,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:29:12,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:29:12,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134f2944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12, skipping insertion in model container [2018-10-26 22:29:12,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:29:12,558 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:29:12,737 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:29:12,741 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:29:12,757 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:29:12,771 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:29:12,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12 WrapperNode [2018-10-26 22:29:12,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:29:12,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:29:12,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:29:12,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:29:12,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:29:12,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:29:12,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:29:12,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:29:12,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... [2018-10-26 22:29:12,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:29:12,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:29:12,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:29:12,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:29:12,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:29:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:29:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:29:13,345 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:29:13,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:13 BoogieIcfgContainer [2018-10-26 22:29:13,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:29:13,347 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:29:13,347 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:29:13,359 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:29:13,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:13" (1/1) ... [2018-10-26 22:29:13,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 22:29:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 22:29:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 22:29:13,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 22:29:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 22:29:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:29:13,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:29:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:29:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:29:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:29:13,647 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 22:29:13,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:29:13 ImpRootNode [2018-10-26 22:29:13,664 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:29:13,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:29:13,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:29:13,665 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:29:13,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:13" (3/4) ... [2018-10-26 22:29:13,668 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:29:13,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:29:13,668 INFO L168 Benchmark]: Toolchain (without parser) took 1155.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:29:13,670 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:29:13,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 950.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:29:13,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.08 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:29:13,673 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:29:13,673 INFO L168 Benchmark]: RCFGBuilder took 520.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:29:13,674 INFO L168 Benchmark]: CodeCheck took 317.32 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:29:13,676 INFO L168 Benchmark]: Witness Printer took 3.56 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. [2018-10-26 22:29:13,680 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, 0.2s 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 someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L6] float x, y, z; [L8] x = 1.f [L9] y = 1e7 [L10] z = 42.f [L12] COND FALSE !(x < y) [L18] CALL __VERIFIER_assert(z >= 0.f && z <= 1e8) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 950.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.08 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 520.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 317.32 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:29:15,743 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:29:15,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:29:15,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:29:15,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:29:15,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:29:15,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:29:15,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:29:15,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:29:15,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:29:15,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:29:15,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:29:15,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:29:15,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:29:15,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:29:15,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:29:15,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:29:15,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:29:15,771 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:29:15,773 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:29:15,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:29:15,775 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:29:15,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:29:15,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:29:15,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:29:15,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:29:15,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:29:15,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:29:15,781 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:29:15,782 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:29:15,782 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:29:15,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:29:15,783 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:29:15,783 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:29:15,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:29:15,785 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:29:15,786 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:29:15,798 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:29:15,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:29:15,799 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:29:15,800 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:29:15,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:29:15,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:29:15,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:29:15,801 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:29:15,802 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:29:15,802 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:29:15,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:29:15,802 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:29:15,802 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:29:15,802 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:29:15,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:29:15,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:29:15,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:29:15,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:29:15,806 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:29:15,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:29:15,806 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:29:15,806 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:29:15,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:29:15,807 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:29:15,807 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:29:15,807 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_3a9abc42-3c48-4a13-9f11-3a53550fe273/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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2018-10-26 22:29:15,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:29:15,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:29:15,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:29:15,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:29:15,882 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:29:15,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-10-26 22:29:15,935 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/59a3d3777/2a54218259364799833dee06b79b8e74/FLAGcbd717e4f [2018-10-26 22:29:16,357 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:29:16,358 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-10-26 22:29:16,363 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/59a3d3777/2a54218259364799833dee06b79b8e74/FLAGcbd717e4f [2018-10-26 22:29:16,383 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/data/59a3d3777/2a54218259364799833dee06b79b8e74 [2018-10-26 22:29:16,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:29:16,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:29:16,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:29:16,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:29:16,394 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:29:16,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5118fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16, skipping insertion in model container [2018-10-26 22:29:16,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:29:16,429 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:29:16,611 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:29:16,621 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:29:16,641 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:29:16,656 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:29:16,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16 WrapperNode [2018-10-26 22:29:16,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:29:16,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:29:16,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:29:16,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:29:16,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:29:16,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:29:16,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:29:16,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:29:16,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... [2018-10-26 22:29:16,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:29:16,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:29:16,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:29:16,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:29:16,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a9abc42-3c48-4a13-9f11-3a53550fe273/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:29:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:29:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:29:17,906 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:29:17,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:17 BoogieIcfgContainer [2018-10-26 22:29:17,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:29:17,908 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:29:17,908 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:29:17,919 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:29:17,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:17" (1/1) ... [2018-10-26 22:29:17,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 22:29:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 22:29:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 22:29:17,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:18,026 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:29:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:18,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 22:29:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 22:29:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:29:18,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:18,081 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:29:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:18,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-26 22:29:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-26 22:29:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:29:22,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:22,030 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:29:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:22,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:25,681 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:29:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-10-26 22:29:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-10-26 22:29:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 22:29:34,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:34,082 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:29:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:36,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:36,892 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-26 22:29:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:29:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-10-26 22:29:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-10-26 22:29:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:29:53,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:29:53,401 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:29:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:59,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2018-10-26 22:30:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2018-10-26 22:30:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 22:30:14,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:14,869 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:30:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:21,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:30:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2018-10-26 22:30:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2018-10-26 22:30:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:30:41,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:41,007 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:30:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 22:30:51,200 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 22:30:51,203 INFO L168 Benchmark]: Toolchain (without parser) took 94815.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -234.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:30:51,204 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:30:51,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.82 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:51,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.92 ms. Allocated memory is still 1.0 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:30:51,206 INFO L168 Benchmark]: Boogie Preprocessor took 23.35 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:51,207 INFO L168 Benchmark]: RCFGBuilder took 1184.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -240.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:51,211 INFO L168 Benchmark]: CodeCheck took 93294.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 35.7 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -17.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:51,214 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 0.17 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 267.82 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.92 ms. Allocated memory is still 1.0 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.35 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1184.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 935.8 MB in the beginning and 1.2 GB in the end (delta: -240.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 93294.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 35.7 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -17.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...