./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.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_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/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 ac1c2f023046690eb69a7c8f4224e12d57f24d83 .......................................................................................................................................................................................................................................... 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_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/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 ac1c2f023046690eb69a7c8f4224e12d57f24d83 ................................................................................................................................................................................................... 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 [2018-11-10 11:50:18,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:50:18,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:50:18,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:50:18,462 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:50:18,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:50:18,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:50:18,465 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:50:18,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:50:18,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:50:18,467 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:50:18,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:50:18,468 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:50:18,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:50:18,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:50:18,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:50:18,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:50:18,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:50:18,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:50:18,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:50:18,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:50:18,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:50:18,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:50:18,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:50:18,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:50:18,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:50:18,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:50:18,483 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:50:18,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:50:18,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:50:18,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:50:18,485 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:50:18,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:50:18,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:50:18,486 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:50:18,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:50:18,487 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:50:18,498 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:50:18,498 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:50:18,499 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:50:18,499 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:50:18,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:50:18,499 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:50:18,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:50:18,500 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:50:18,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:50:18,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:50:18,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:50:18,500 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:50:18,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:50:18,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:50:18,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:50:18,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:50:18,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:50:18,501 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:50:18,501 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:50:18,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:50:18,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:50:18,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:50:18,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:50:18,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:50:18,504 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:50:18,504 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:50:18,504 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:50:18,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:50:18,504 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_97b1cd17-4f81-4746-b448-c7c177f7e251/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 -> ac1c2f023046690eb69a7c8f4224e12d57f24d83 [2018-11-10 11:50:18,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:50:18,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:50:18,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:50:18,541 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:50:18,541 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:50:18,542 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-11-10 11:50:18,586 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/4c569cd5b/8ad0ab98f297406c8d56ac8231e5969b/FLAG887b5b479 [2018-11-10 11:50:18,893 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:50:18,894 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-11-10 11:50:18,898 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/4c569cd5b/8ad0ab98f297406c8d56ac8231e5969b/FLAG887b5b479 [2018-11-10 11:50:18,906 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/4c569cd5b/8ad0ab98f297406c8d56ac8231e5969b [2018-11-10 11:50:18,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:50:18,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:50:18,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:50:18,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:50:18,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:50:18,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:50:18" (1/1) ... [2018-11-10 11:50:18,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:18, skipping insertion in model container [2018-11-10 11:50:18,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:50:18" (1/1) ... [2018-11-10 11:50:18,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:50:18,933 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:50:19,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:50:19,029 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:50:19,040 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:50:19,048 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:50:19,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19 WrapperNode [2018-11-10 11:50:19,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:50:19,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:50:19,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:50:19,049 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:50:19,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:50:19,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:50:19,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:50:19,076 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:50:19,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:50:19,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:50:19,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:50:19,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:50:19,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/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 [2018-11-10 11:50:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:50:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:50:19,330 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:50:19,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:50:19 BoogieIcfgContainer [2018-11-10 11:50:19,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:50:19,331 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:50:19,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:50:19,342 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:50:19,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:50:19" (1/1) ... [2018-11-10 11:50:19,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:50:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:50:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:50:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 11:50:19,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:50:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-10 11:50:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-10 11:50:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:50:19,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:50:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:50:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:50:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:50:19,542 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 11:50:19,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:50:19 ImpRootNode [2018-11-10 11:50:19,559 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:50:19,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:50:19,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:50:19,560 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:50:19,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:50:19" (3/4) ... [2018-11-10 11:50:19,563 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:50:19,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:50:19,564 INFO L168 Benchmark]: Toolchain (without parser) took 654.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:50:19,565 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:50:19,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.50 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:19,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.08 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:19,566 INFO L168 Benchmark]: Boogie Preprocessor took 16.23 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:50:19,567 INFO L168 Benchmark]: RCFGBuilder took 238.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:19,567 INFO L168 Benchmark]: CodeCheck took 227.83 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:19,568 INFO L168 Benchmark]: Witness Printer took 3.83 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. [2018-11-10 11:50:19,570 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, 15 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, 32 GetRequests, 32 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, 12 NumberOfCodeBlocks, 12 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: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L9] float pi = 3.14159 ; [L15] float x = __VERIFIER_nondet_float() ; [L16] float octant = pi/3 ; [L18] float oddExp = x ; [L19] float evenExp = 1.0 ; [L20] float term = x ; [L21] unsigned int count = 2 ; [L22] int multFactor = 0 ; [L23] int temp ; VAL [pi=314159/100000] [L25] COND TRUE 1 [L27] term = term * (x/count) [L28] COND FALSE, EXPR !((count>>1 % 2 == 0) ? 1 : -1) [L28] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L30] evenExp = evenExp + multFactor*term [L32] count++ [L34] term = term * (x/count) [L36] oddExp = oddExp + multFactor*term [L38] count++ [L40] temp = __VERIFIER_nondet_int() [L41] COND TRUE temp == 0 VAL [pi=314159/100000] [L44] CALL __VERIFIER_assert( oddExp >= evenExp ) [L7] COND TRUE !(cond) VAL [pi=314159/100000] [L7] __VERIFIER_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.50 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.3 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 27.08 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.23 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 238.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 227.83 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 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 [2018-11-10 11:50:21,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:50:21,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:50:21,060 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:50:21,060 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:50:21,061 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:50:21,062 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:50:21,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:50:21,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:50:21,064 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:50:21,065 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:50:21,065 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:50:21,066 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:50:21,067 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:50:21,068 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:50:21,068 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:50:21,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:50:21,071 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:50:21,072 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:50:21,073 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:50:21,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:50:21,075 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:50:21,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:50:21,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:50:21,076 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:50:21,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:50:21,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:50:21,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:50:21,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:50:21,080 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:50:21,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:50:21,081 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:50:21,081 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:50:21,081 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:50:21,082 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:50:21,083 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:50:21,083 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 11:50:21,093 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:50:21,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:50:21,094 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:50:21,094 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:50:21,094 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:50:21,095 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:50:21,095 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:50:21,095 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:50:21,095 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:50:21,095 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:50:21,095 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:50:21,096 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:50:21,096 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:50:21,097 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:50:21,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:50:21,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:50:21,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:50:21,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:50:21,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:50:21,097 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:50:21,098 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 11:50:21,098 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 11:50:21,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:50:21,098 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:50:21,098 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:50:21,098 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_97b1cd17-4f81-4746-b448-c7c177f7e251/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 -> ac1c2f023046690eb69a7c8f4224e12d57f24d83 [2018-11-10 11:50:21,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:50:21,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:50:21,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:50:21,143 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:50:21,143 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:50:21,144 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-11-10 11:50:21,181 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/373c24372/8384a9c1eb844c5482737764e5409c6c/FLAG4ceba86f2 [2018-11-10 11:50:21,492 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:50:21,492 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-11-10 11:50:21,496 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/373c24372/8384a9c1eb844c5482737764e5409c6c/FLAG4ceba86f2 [2018-11-10 11:50:21,504 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/bin-2019/ukojak/data/373c24372/8384a9c1eb844c5482737764e5409c6c [2018-11-10 11:50:21,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:50:21,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:50:21,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:50:21,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:50:21,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:50:21,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c45fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21, skipping insertion in model container [2018-11-10 11:50:21,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:50:21,535 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:50:21,658 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:50:21,662 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:50:21,676 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:50:21,685 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:50:21,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21 WrapperNode [2018-11-10 11:50:21,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:50:21,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:50:21,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:50:21,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:50:21,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:50:21,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:50:21,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:50:21,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:50:21,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... [2018-11-10 11:50:21,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:50:21,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:50:21,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:50:21,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:50:21,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97b1cd17-4f81-4746-b448-c7c177f7e251/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 [2018-11-10 11:50:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:50:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:51:03,809 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:51:03,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:03 BoogieIcfgContainer [2018-11-10 11:51:03,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:51:03,810 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:51:03,810 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:51:03,817 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:51:03,817 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:03" (1/1) ... [2018-11-10 11:51:03,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:51:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:51:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:51:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 11:51:03,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:51:03,879 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 11:51:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:03,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:51:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-10 11:51:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-10 11:51:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:51:03,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:51:03,920 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 11:51:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 11:51:15,115 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) [2018-11-10 11:51:15,117 INFO L168 Benchmark]: Toolchain (without parser) took 53610.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:15,118 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-10 11:51:15,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.45 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. [2018-11-10 11:51:15,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.17 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. [2018-11-10 11:51:15,120 INFO L168 Benchmark]: Boogie Preprocessor took 16.95 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:15,121 INFO L168 Benchmark]: RCFGBuilder took 42083.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:15,121 INFO L168 Benchmark]: CodeCheck took 11306.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:15,123 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 0.15 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 178.45 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 22.17 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. * Boogie Preprocessor took 16.95 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 42083.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * CodeCheck took 11306.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...