./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ................................................................................................................................................................................................................................................................................ 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_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:46:33,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:46:33,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:46:33,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:46:33,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:46:33,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:46:33,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:46:33,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:46:33,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:46:33,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:46:33,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:46:33,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:46:33,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:46:33,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:46:33,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:46:33,825 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:46:33,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:46:33,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:46:33,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:46:33,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:46:33,829 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:46:33,830 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:46:33,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:46:33,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:46:33,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:46:33,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:46:33,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:46:33,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:46:33,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:46:33,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:46:33,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:46:33,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:46:33,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:46:33,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:46:33,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:46:33,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:46:33,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 23:46:33,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:46:33,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:46:33,842 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:46:33,842 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:46:33,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:46:33,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:46:33,842 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 23:46:33,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:46:33,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:46:33,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:46:33,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 23:46:33,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:46:33,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:46:33,845 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_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer 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 -> Automizer 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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-12-08 23:46:33,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:46:33,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:46:33,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:46:33,878 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:46:33,878 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:46:33,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 23:46:33,915 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/d6a774d88/6aaeb6bdf05746dc9518ce8bb2fcdc09/FLAG3fad0a000 [2018-12-08 23:46:34,328 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:46:34,328 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 23:46:34,332 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/d6a774d88/6aaeb6bdf05746dc9518ce8bb2fcdc09/FLAG3fad0a000 [2018-12-08 23:46:34,340 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/d6a774d88/6aaeb6bdf05746dc9518ce8bb2fcdc09 [2018-12-08 23:46:34,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:46:34,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:46:34,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:34,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:46:34,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:46:34,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34, skipping insertion in model container [2018-12-08 23:46:34,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:46:34,360 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:46:34,450 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:34,453 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:46:34,465 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:34,476 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:46:34,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34 WrapperNode [2018-12-08 23:46:34,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:34,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:34,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:46:34,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:46:34,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:34,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:46:34,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:46:34,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:46:34,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:46:34,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:46:34,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:46:34,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:46:34,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-08 23:46:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:46:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-12-08 23:46:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:46:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:46:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 23:46:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 23:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:46:34,664 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:46:34,664 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 23:46:34,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:34 BoogieIcfgContainer [2018-12-08 23:46:34,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:46:34,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:46:34,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:46:34,666 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:46:34,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:46:34" (1/3) ... [2018-12-08 23:46:34,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546a0777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:46:34, skipping insertion in model container [2018-12-08 23:46:34,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (2/3) ... [2018-12-08 23:46:34,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546a0777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:46:34, skipping insertion in model container [2018-12-08 23:46:34,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:34" (3/3) ... [2018-12-08 23:46:34,668 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 23:46:34,674 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:46:34,679 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:46:34,688 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:46:34,704 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 23:46:34,705 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:46:34,705 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:46:34,705 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:46:34,705 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:46:34,705 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:46:34,705 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:46:34,705 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:46:34,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:46:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-08 23:46:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 23:46:34,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:34,718 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:46:34,719 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:34,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:34,722 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-12-08 23:46:34,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:34,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:34,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:34,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:34,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:34,819 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 23:46:34,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:46:34 BoogieIcfgContainer [2018-12-08 23:46:34,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:46:34,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:46:34,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:46:34,835 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:46:34,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:34" (3/4) ... [2018-12-08 23:46:34,838 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 23:46:34,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:46:34,838 INFO L168 Benchmark]: Toolchain (without parser) took 495.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -113.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:34,839 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:34,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.12 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:34,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:34,840 INFO L168 Benchmark]: Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:34,841 INFO L168 Benchmark]: RCFGBuilder took 128.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:34,841 INFO L168 Benchmark]: TraceAbstraction took 170.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:34,841 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:34,843 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.12 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 128.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 170.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 22, overapproximation of bitwiseXor at line 21. Possible FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=0] [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; VAL [\old(i)=0, i=0] [L33] RET, EXPR cast(a) VAL [a=0, cast(a)=1127219208] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:46:36,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:46:36,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:46:36,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:46:36,172 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:46:36,173 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:46:36,173 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:46:36,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:46:36,175 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:46:36,175 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:46:36,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:46:36,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:46:36,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:46:36,177 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:46:36,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:46:36,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:46:36,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:46:36,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:46:36,180 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:46:36,181 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:46:36,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:46:36,182 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:46:36,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:46:36,183 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:46:36,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:46:36,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:46:36,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:46:36,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:46:36,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:46:36,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:46:36,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:46:36,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:46:36,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:46:36,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:46:36,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:46:36,187 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:46:36,188 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 23:46:36,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:46:36,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:46:36,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:46:36,196 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:46:36,196 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:46:36,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:46:36,196 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 23:46:36,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:46:36,197 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:46:36,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:46:36,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:46:36,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:46:36,199 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 23:46:36,200 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 23:46:36,200 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_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer 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 -> Automizer 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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-12-08 23:46:36,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:46:36,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:46:36,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:46:36,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:46:36,228 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:46:36,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 23:46:36,264 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/8dda8686d/10dd91176c814aabad83b4903fb2a2d7/FLAG79b9c5f26 [2018-12-08 23:46:36,718 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:46:36,719 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 23:46:36,722 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/8dda8686d/10dd91176c814aabad83b4903fb2a2d7/FLAG79b9c5f26 [2018-12-08 23:46:36,731 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/data/8dda8686d/10dd91176c814aabad83b4903fb2a2d7 [2018-12-08 23:46:36,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:46:36,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:46:36,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:36,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:46:36,736 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:46:36,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36, skipping insertion in model container [2018-12-08 23:46:36,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:46:36,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:46:36,844 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:36,847 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:46:36,861 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:36,877 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:46:36,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36 WrapperNode [2018-12-08 23:46:36,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:36,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:36,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:46:36,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:46:36,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:36,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:46:36,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:46:36,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:46:36,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:46:36,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:46:36,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:46:36,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:46:36,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-08 23:46:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 23:46:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:46:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-12-08 23:46:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:46:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:46:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 23:46:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:46:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 23:46:37,292 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:46:37,292 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 23:46:37,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:37 BoogieIcfgContainer [2018-12-08 23:46:37,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:46:37,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:46:37,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:46:37,295 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:46:37,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:46:36" (1/3) ... [2018-12-08 23:46:37,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5851a7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:46:37, skipping insertion in model container [2018-12-08 23:46:37,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:36" (2/3) ... [2018-12-08 23:46:37,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5851a7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:46:37, skipping insertion in model container [2018-12-08 23:46:37,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:37" (3/3) ... [2018-12-08 23:46:37,297 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 23:46:37,303 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:46:37,307 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:46:37,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:46:37,332 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 23:46:37,333 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:46:37,333 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:46:37,333 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:46:37,333 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:46:37,333 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:46:37,333 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:46:37,333 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:46:37,333 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:46:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-08 23:46:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 23:46:37,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:37,345 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:46:37,347 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:37,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:37,350 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-12-08 23:46:37,352 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:46:37,352 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 23:46:37,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:37,647 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 23:46:37,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:46:37 BoogieIcfgContainer [2018-12-08 23:46:37,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:46:37,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:46:37,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:46:37,664 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:46:37,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:37" (3/4) ... [2018-12-08 23:46:37,665 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 23:46:37,690 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_81f9f644-0d9c-43b3-b4de-3943f2fc663b/bin-2019/uautomizer/witness.graphml [2018-12-08 23:46:37,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:46:37,691 INFO L168 Benchmark]: Toolchain (without parser) took 957.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:37,691 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:37,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.13 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:37,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.38 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:37,692 INFO L168 Benchmark]: Boogie Preprocessor took 45.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -209.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:37,693 INFO L168 Benchmark]: RCFGBuilder took 353.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:37,693 INFO L168 Benchmark]: TraceAbstraction took 370.18 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:37,693 INFO L168 Benchmark]: Witness Printer took 26.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:37,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.13 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.38 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -209.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 353.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 370.18 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * Witness Printer took 26.70 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=4294959104] [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; VAL [\old(i)=4294959104, \result=NaN, i=4294959104] [L33] RET, EXPR cast(a) VAL [a=4294959104, cast(a)=NaN] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...