./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_double_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 001d34650580de0e8f1d5d4a40932476caadcd60 ................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 001d34650580de0e8f1d5d4a40932476caadcd60 ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:16:00,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:16:00,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:16:00,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:16:00,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:16:00,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:16:00,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:16:00,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:16:00,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:16:00,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:16:00,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:16:00,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:16:00,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:16:00,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:16:00,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:16:00,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:16:00,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:16:00,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:16:00,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:16:00,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:16:00,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:16:00,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:16:00,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:16:00,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:16:00,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:16:00,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:16:00,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:16:00,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:16:00,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:16:00,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:16:00,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:16:00,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:16:00,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:16:00,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:16:00,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:16:00,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:16:00,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:16:00,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:16:00,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:16:00,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:16:00,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:16:00,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:16:00,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:16:00,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:16:00,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:16:00,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:16:00,809 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:16:00,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:16:00,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:16:00,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:16:00,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:16:00,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:16:00,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:16:00,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:16:00,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:16:00,813 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:16:00,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:16:00,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:16:00,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:16:00,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:16:00,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:16:00,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:16:00,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:16:00,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:00,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:16:00,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:16:00,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:16:00,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:16:00,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:16:00,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:16:00,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:16:00,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 001d34650580de0e8f1d5d4a40932476caadcd60 [2020-11-28 03:16:01,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:16:01,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:16:01,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:16:01,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:16:01,156 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:16:01,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/../../sv-benchmarks/c/float-benchs/nan_double_range.c [2020-11-28 03:16:01,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/c4056e65a/6b02b4e78546400d89627d64121b763c/FLAG271343bac [2020-11-28 03:16:01,935 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:16:01,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/sv-benchmarks/c/float-benchs/nan_double_range.c [2020-11-28 03:16:01,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/c4056e65a/6b02b4e78546400d89627d64121b763c/FLAG271343bac [2020-11-28 03:16:02,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/c4056e65a/6b02b4e78546400d89627d64121b763c [2020-11-28 03:16:02,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:16:02,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:16:02,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:02,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:16:02,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:16:02,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bd0b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02, skipping insertion in model container [2020-11-28 03:16:02,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:16:02,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:16:02,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:02,647 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:16:02,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:02,693 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:16:02,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02 WrapperNode [2020-11-28 03:16:02,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:02,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:02,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:16:02,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:16:02,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:02,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:16:02,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:16:02,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:16:02,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:16:02,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:16:02,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:16:02,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:16:02,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/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 [2020-11-28 03:16:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:16:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:16:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:16:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:16:03,152 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:16:03,153 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:16:03,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:03 BoogieIcfgContainer [2020-11-28 03:16:03,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:16:03,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:16:03,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:16:03,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:16:03,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:02" (1/3) ... [2020-11-28 03:16:03,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1352b49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:03, skipping insertion in model container [2020-11-28 03:16:03,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (2/3) ... [2020-11-28 03:16:03,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1352b49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:03, skipping insertion in model container [2020-11-28 03:16:03,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:03" (3/3) ... [2020-11-28 03:16:03,178 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2020-11-28 03:16:03,196 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:16:03,214 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:16:03,227 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:16:03,270 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:16:03,270 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:16:03,270 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:16:03,270 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:16:03,271 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:16:03,271 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:16:03,271 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:16:03,271 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:16:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-28 03:16:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:16:03,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:03,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:16:03,289 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:03,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:03,295 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2020-11-28 03:16:03,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:03,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624107522] [2020-11-28 03:16:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:16:03,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:16:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:16:03,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:16:03,449 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:16:03,450 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:16:03,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:16:03,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:03 BoogieIcfgContainer [2020-11-28 03:16:03,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:16:03,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:16:03,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:16:03,481 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:16:03,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:03" (3/4) ... [2020-11-28 03:16:03,485 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:16:03,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:16:03,488 INFO L168 Benchmark]: Toolchain (without parser) took 1179.06 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 66.9 MB in the beginning and 108.1 MB in the end (delta: -41.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:03,489 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 53.7 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:03,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.24 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 73.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:03,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.26 ms. Allocated memory is still 96.5 MB. Free memory was 73.7 MB in the beginning and 72.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:03,493 INFO L168 Benchmark]: Boogie Preprocessor took 36.43 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.5 MB in the end (delta: 911.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:03,493 INFO L168 Benchmark]: RCFGBuilder took 371.01 ms. Allocated memory is still 96.5 MB. Free memory was 71.2 MB in the beginning and 61.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:03,495 INFO L168 Benchmark]: TraceAbstraction took 308.66 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 60.7 MB in the beginning and 108.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:03,495 INFO L168 Benchmark]: Witness Printer took 5.02 ms. Allocated memory is still 130.0 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:03,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 53.7 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.24 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 73.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.26 ms. Allocated memory is still 96.5 MB. Free memory was 73.7 MB in the beginning and 72.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.43 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.5 MB in the end (delta: 911.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 371.01 ms. Allocated memory is still 96.5 MB. Free memory was 71.2 MB in the beginning and 61.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 308.66 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 60.7 MB in the beginning and 108.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.02 ms. Allocated memory is still 130.0 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L15] COND TRUE x >= -1e307 && x <= 1e307 [L8] COND TRUE !(cond) [L3] __assert_fail("0", "nan_double_range.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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 0.2.0-a4ecdab [2020-11-28 03:16:06,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:16:06,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:16:06,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:16:06,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:16:06,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:16:06,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:16:06,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:16:06,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:16:06,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:16:06,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:16:06,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:16:06,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:16:06,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:16:06,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:16:06,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:16:06,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:16:06,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:16:06,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:16:06,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:16:06,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:16:06,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:16:06,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:16:06,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:16:06,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:16:06,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:16:06,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:16:06,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:16:06,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:16:06,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:16:06,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:16:06,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:16:06,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:16:06,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:16:06,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:16:06,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:16:06,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:16:06,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:16:06,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:16:06,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:16:06,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:16:06,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:16:06,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:16:06,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:16:06,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:16:06,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:16:06,469 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:16:06,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:16:06,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:16:06,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:16:06,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:16:06,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:16:06,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:16:06,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:16:06,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:16:06,472 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:16:06,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:16:06,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:16:06,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:16:06,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:16:06,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:16:06,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:16:06,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:16:06,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:16:06,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:06,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:16:06,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:16:06,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:16:06,475 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:16:06,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:16:06,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:16:06,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:16:06,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:16:06,495 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 001d34650580de0e8f1d5d4a40932476caadcd60 [2020-11-28 03:16:06,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:16:06,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:16:06,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:16:06,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:16:06,954 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:16:06,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/../../sv-benchmarks/c/float-benchs/nan_double_range.c [2020-11-28 03:16:07,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/1b93ed1cf/184468a627b44710bee6b66179fcb12e/FLAGedf4af207 [2020-11-28 03:16:07,693 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:16:07,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/sv-benchmarks/c/float-benchs/nan_double_range.c [2020-11-28 03:16:07,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/1b93ed1cf/184468a627b44710bee6b66179fcb12e/FLAGedf4af207 [2020-11-28 03:16:08,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/data/1b93ed1cf/184468a627b44710bee6b66179fcb12e [2020-11-28 03:16:08,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:16:08,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:16:08,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:08,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:16:08,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:16:08,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792eed55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08, skipping insertion in model container [2020-11-28 03:16:08,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:16:08,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:16:08,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:08,346 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:16:08,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:08,400 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:16:08,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08 WrapperNode [2020-11-28 03:16:08,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:08,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:08,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:16:08,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:16:08,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:08,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:16:08,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:16:08,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:16:08,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... [2020-11-28 03:16:08,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:16:08,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:16:08,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:16:08,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:16:08,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/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 [2020-11-28 03:16:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:16:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:16:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:16:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:16:09,070 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:16:09,070 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:16:09,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:09 BoogieIcfgContainer [2020-11-28 03:16:09,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:16:09,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:16:09,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:16:09,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:16:09,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:08" (1/3) ... [2020-11-28 03:16:09,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22957956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:09, skipping insertion in model container [2020-11-28 03:16:09,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:08" (2/3) ... [2020-11-28 03:16:09,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22957956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:09, skipping insertion in model container [2020-11-28 03:16:09,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:09" (3/3) ... [2020-11-28 03:16:09,088 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2020-11-28 03:16:09,101 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:16:09,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:16:09,120 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:16:09,162 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:16:09,163 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:16:09,163 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:16:09,163 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:16:09,163 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:16:09,163 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:16:09,164 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:16:09,164 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:16:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-28 03:16:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:16:09,185 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:09,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:16:09,186 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:09,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:09,195 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2020-11-28 03:16:09,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:16:09,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909404268] [2020-11-28 03:16:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/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 [2020-11-28 03:16:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:09,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:16:09,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:09,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:16:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:09,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:16:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:09,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909404268] [2020-11-28 03:16:09,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:09,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 03:16:09,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211028246] [2020-11-28 03:16:09,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:09,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:16:09,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:09,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:09,493 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2020-11-28 03:16:09,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:09,518 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-28 03:16:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:09,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-28 03:16:09,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:09,526 INFO L225 Difference]: With dead ends: 19 [2020-11-28 03:16:09,526 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:16:09,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:09,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:16:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:16:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:16:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:16:09,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-11-28 03:16:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:09,556 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:16:09,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:16:09,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:16:09,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:16:09,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:16:09,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:16:09,828 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:16:09,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:16:09,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:16:09,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:16:09,829 INFO L277 CegarLoopResult]: At program point L18(lines 10 19) the Hoare annotation is: true [2020-11-28 03:16:09,829 INFO L274 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-11-28 03:16:09,829 INFO L277 CegarLoopResult]: At program point L15-1(lines 15 17) the Hoare annotation is: true [2020-11-28 03:16:09,829 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-28 03:16:09,829 INFO L274 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-11-28 03:16:09,830 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:16:09,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:09 BoogieIcfgContainer [2020-11-28 03:16:09,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:16:09,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:16:09,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:16:09,841 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:16:09,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:09" (3/4) ... [2020-11-28 03:16:09,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:16:09,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:16:09,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:16:09,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:16:09,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:09,912 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_73a9d5ef-f61c-4de0-a644-3be2fbb89a65/bin/uautomizer/witness.graphml [2020-11-28 03:16:09,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:16:09,915 INFO L168 Benchmark]: Toolchain (without parser) took 1879.75 ms. Allocated memory is still 71.3 MB. Free memory was 54.1 MB in the beginning and 40.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:09,915 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 71.3 MB. Free memory was 53.3 MB in the beginning and 53.3 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:09,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.05 ms. Allocated memory is still 71.3 MB. Free memory was 53.9 MB in the beginning and 55.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:09,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.14 ms. Allocated memory is still 71.3 MB. Free memory was 55.1 MB in the beginning and 53.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:09,923 INFO L168 Benchmark]: Boogie Preprocessor took 55.99 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 52.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:09,924 INFO L168 Benchmark]: RCFGBuilder took 544.29 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 41.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:09,925 INFO L168 Benchmark]: TraceAbstraction took 759.63 ms. Allocated memory is still 71.3 MB. Free memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:09,926 INFO L168 Benchmark]: Witness Printer took 71.26 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 40.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:09,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 71.3 MB. Free memory was 53.3 MB in the beginning and 53.3 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.05 ms. Allocated memory is still 71.3 MB. Free memory was 53.9 MB in the beginning and 55.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.14 ms. Allocated memory is still 71.3 MB. Free memory was 55.1 MB in the beginning and 53.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.99 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 52.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 544.29 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 41.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 759.63 ms. Allocated memory is still 71.3 MB. Free memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. * Witness Printer took 71.26 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 40.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 6 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...