./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/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 14660901cc5c4d61dda44d0e62586d716b569100 .................................................................................................................................................................................................................. 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_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/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 14660901cc5c4d61dda44d0e62586d716b569100 ..................................................................................................................................................................................................... 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 06:10:53,464 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:10:53,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:10:53,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:10:53,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:10:53,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:10:53,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:10:53,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:10:53,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:10:53,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:10:53,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:10:53,477 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:10:53,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:10:53,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:10:53,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:10:53,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:10:53,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:10:53,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:10:53,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:10:53,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:10:53,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:10:53,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:10:53,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:10:53,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:10:53,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:10:53,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:10:53,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:10:53,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:10:53,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:10:53,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:10:53,491 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:10:53,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:10:53,492 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:10:53,492 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:10:53,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:10:53,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:10:53,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 06:10:53,504 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:10:53,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:10:53,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:10:53,505 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:10:53,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:10:53,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:10:53,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:10:53,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:10:53,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:10:53,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:10:53,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:10:53,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:10:53,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:10:53,507 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:10:53,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:10:53,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:10:53,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:10:53,507 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:10:53,507 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:10:53,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:10:53,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:10:53,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:10:53,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:10:53,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:10:53,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:10:53,508 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:10:53,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:10:53,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:10:53,509 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_62c6d032-49b7-47dc-8931-2f66095c0fb0/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 -> 14660901cc5c4d61dda44d0e62586d716b569100 [2018-11-10 06:10:53,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:10:53,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:10:53,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:10:53,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:10:53,543 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:10:53,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 06:10:53,579 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/0a8114074/fb43709ec12c486492cce6d1f1ddcbc9/FLAG15288408e [2018-11-10 06:10:53,965 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:10:53,966 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 06:10:53,970 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/0a8114074/fb43709ec12c486492cce6d1f1ddcbc9/FLAG15288408e [2018-11-10 06:10:53,981 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/0a8114074/fb43709ec12c486492cce6d1f1ddcbc9 [2018-11-10 06:10:53,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:10:53,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:10:53,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:10:53,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:10:53,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:10:53,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:10:53" (1/1) ... [2018-11-10 06:10:53,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d89bcad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:53, skipping insertion in model container [2018-11-10 06:10:53,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:10:53" (1/1) ... [2018-11-10 06:10:53,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:10:54,005 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:10:54,101 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:10:54,105 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:10:54,116 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:10:54,124 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:10:54,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54 WrapperNode [2018-11-10 06:10:54,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:10:54,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:10:54,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:10:54,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:10:54,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:10:54,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:10:54,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:10:54,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:10:54,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:10:54,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:10:54,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:10:54,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:10:54,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/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 06:10:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:10:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:10:54,322 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:10:54,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:10:54 BoogieIcfgContainer [2018-11-10 06:10:54,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:10:54,323 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:10:54,323 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:10:54,332 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:10:54,332 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:10:54" (1/1) ... [2018-11-10 06:10:54,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:10:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:10:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-10 06:10:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-10 06:10:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 06:10:54,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:10:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:10:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:10:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:10:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:10:54,484 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 06:10:54,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:10:54 ImpRootNode [2018-11-10 06:10:54,507 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:10:54,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:10:54,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:10:54,508 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:10:54,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:10:54" (3/4) ... [2018-11-10 06:10:54,512 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 06:10:54,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:10:54,513 INFO L168 Benchmark]: Toolchain (without parser) took 529.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:10:54,515 INFO L168 Benchmark]: CDTParser took 0.11 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 06:10:54,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:10:54,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:10:54,517 INFO L168 Benchmark]: Boogie Preprocessor took 9.60 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:10:54,517 INFO L168 Benchmark]: RCFGBuilder took 168.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:10:54,518 INFO L168 Benchmark]: CodeCheck took 184.14 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:10:54,519 INFO L168 Benchmark]: Witness Printer took 5.07 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 06:10:54,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 25]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L1] int __return_main; [L7] double main__x = 1.0; [L8] double main__x1 = main__x / 1.6; VAL [__return_main=0] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L25] __VERIFIER_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 139.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.60 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 168.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 184.14 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 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 06:10:55,928 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:10:55,929 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:10:55,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:10:55,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:10:55,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:10:55,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:10:55,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:10:55,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:10:55,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:10:55,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:10:55,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:10:55,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:10:55,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:10:55,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:10:55,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:10:55,944 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:10:55,945 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:10:55,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:10:55,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:10:55,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:10:55,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:10:55,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:10:55,951 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:10:55,951 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:10:55,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:10:55,952 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:10:55,953 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:10:55,953 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:10:55,954 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:10:55,954 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:10:55,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:10:55,955 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:10:55,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:10:55,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:10:55,956 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:10:55,956 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 06:10:55,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:10:55,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:10:55,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:10:55,966 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:10:55,966 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:10:55,967 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:10:55,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:10:55,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:10:55,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:10:55,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:10:55,967 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:10:55,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:10:55,969 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:10:55,969 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:10:55,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:10:55,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:10:55,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:10:55,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:10:55,969 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:10:55,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:10:55,970 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 06:10:55,970 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 06:10:55,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:10:55,970 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 06:10:55,970 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 06:10:55,970 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_62c6d032-49b7-47dc-8931-2f66095c0fb0/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 -> 14660901cc5c4d61dda44d0e62586d716b569100 [2018-11-10 06:10:56,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:10:56,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:10:56,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:10:56,016 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:10:56,016 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:10:56,017 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 06:10:56,064 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/b4d26486b/4d0ae1876e4d4dbeae15ce09b4f11c28/FLAGa5233b522 [2018-11-10 06:10:56,386 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:10:56,386 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 06:10:56,390 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/b4d26486b/4d0ae1876e4d4dbeae15ce09b4f11c28/FLAGa5233b522 [2018-11-10 06:10:56,398 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/bin-2019/ukojak/data/b4d26486b/4d0ae1876e4d4dbeae15ce09b4f11c28 [2018-11-10 06:10:56,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:10:56,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:10:56,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:10:56,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:10:56,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:10:56,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583fadd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56, skipping insertion in model container [2018-11-10 06:10:56,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:10:56,424 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:10:56,532 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:10:56,538 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:10:56,548 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:10:56,557 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:10:56,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56 WrapperNode [2018-11-10 06:10:56,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:10:56,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:10:56,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:10:56,558 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:10:56,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:10:56,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:10:56,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:10:56,578 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:10:56,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... [2018-11-10 06:10:56,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:10:56,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:10:56,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:10:56,592 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:10:56,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62c6d032-49b7-47dc-8931-2f66095c0fb0/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 06:10:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:10:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:10:57,515 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:10:57,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:10:57 BoogieIcfgContainer [2018-11-10 06:10:57,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:10:57,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:10:57,515 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:10:57,522 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:10:57,522 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:10:57" (1/1) ... [2018-11-10 06:10:57,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:10:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:10:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-10 06:10:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-10 06:10:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 06:10:57,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:10:57,587 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:10:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:10:59,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:11:05,915 WARN L179 SmtUtils]: Spent 4.73 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 06:11:05,926 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 06:11:15,551 WARN L179 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 06:11:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:11:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 06:11:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 06:11:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 06:11:40,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:11:40,726 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 06:11:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 06:11:52,175 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 06:11:52,178 INFO L168 Benchmark]: Toolchain (without parser) took 55777.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:11:52,179 INFO L168 Benchmark]: CDTParser took 0.14 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 06:11:52,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.74 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 06:11:52,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.32 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. [2018-11-10 06:11:52,180 INFO L168 Benchmark]: Boogie Preprocessor took 13.12 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 06:11:52,181 INFO L168 Benchmark]: RCFGBuilder took 923.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:11:52,182 INFO L168 Benchmark]: CodeCheck took 54661.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:11:52,185 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 0.14 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 155.74 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 20.32 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 13.12 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 923.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 54661.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...