./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/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 9898ce33ba90bf1deafb76b4145359648bf729c6 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/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 9898ce33ba90bf1deafb76b4145359648bf729c6 ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-07 11:13:02,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:13:02,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:13:02,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:13:02,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:13:02,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:13:02,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:13:02,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:13:02,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:13:02,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:13:02,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:13:02,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:13:02,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:13:02,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:13:02,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:13:02,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:13:02,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:13:02,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:13:02,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:13:02,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:13:02,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:13:02,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:13:02,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:13:02,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:13:02,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:13:02,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:13:02,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:13:02,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:13:02,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:13:02,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:13:02,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:13:02,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:13:02,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:13:02,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:13:02,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:13:02,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:13:02,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:13:02,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:13:02,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:13:02,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:13:02,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:13:02,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:13:02,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:13:02,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:13:02,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:13:02,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:13:02,907 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:13:02,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:13:02,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:13:02,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:13:02,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:13:02,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:13:02,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:13:02,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:13:02,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:13:02,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:13:02,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:02,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:13:02,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:13:02,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:13:02,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:13:02,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:13:02,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:13:02,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:13:02,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f00084c7-ff7b-49fe-b511-33092688e542/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(__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 -> 9898ce33ba90bf1deafb76b4145359648bf729c6 [2019-12-07 11:13:03,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:13:03,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:13:03,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:13:03,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:13:03,020 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:13:03,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2019-12-07 11:13:03,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/4ec07459a/b72d8aeb3b9b4b02b0fe4c294dd2e183/FLAG38dcf98a8 [2019-12-07 11:13:03,489 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:13:03,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2019-12-07 11:13:03,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/4ec07459a/b72d8aeb3b9b4b02b0fe4c294dd2e183/FLAG38dcf98a8 [2019-12-07 11:13:03,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/4ec07459a/b72d8aeb3b9b4b02b0fe4c294dd2e183 [2019-12-07 11:13:03,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:13:03,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:13:03,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:03,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:13:03,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:13:03,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c8692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03, skipping insertion in model container [2019-12-07 11:13:03,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:13:03,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:13:03,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:03,722 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:13:03,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:03,779 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:13:03,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03 WrapperNode [2019-12-07 11:13:03,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:03,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:03,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:13:03,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:13:03,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:03,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:13:03,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:13:03,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:13:03,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... [2019-12-07 11:13:03,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:13:03,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:13:03,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:13:03,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:13:03,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/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 [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:13:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 11:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:13:04,344 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:13:04,345 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 11:13:04,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:04 BoogieIcfgContainer [2019-12-07 11:13:04,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:13:04,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:13:04,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:13:04,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:13:04,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:13:03" (1/3) ... [2019-12-07 11:13:04,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea9e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:04, skipping insertion in model container [2019-12-07 11:13:04,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:03" (2/3) ... [2019-12-07 11:13:04,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea9e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:04, skipping insertion in model container [2019-12-07 11:13:04,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:04" (3/3) ... [2019-12-07 11:13:04,351 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684b.c [2019-12-07 11:13:04,357 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:13:04,362 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:13:04,369 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:13:04,385 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:13:04,385 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:13:04,385 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:13:04,385 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:13:04,385 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:13:04,385 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:13:04,386 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:13:04,386 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:13:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 11:13:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 11:13:04,402 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:04,402 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:04,403 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:04,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:04,406 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 11:13:04,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:13:04,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150907847] [2019-12-07 11:13:04,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:13:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:04,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150907847] [2019-12-07 11:13:04,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:13:04,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:13:04,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928189654] [2019-12-07 11:13:04,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:13:04,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:13:04,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:13:04,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:13:04,522 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 11:13:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:13:04,542 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 11:13:04,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:13:04,543 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 11:13:04,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:13:04,551 INFO L225 Difference]: With dead ends: 246 [2019-12-07 11:13:04,551 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 11:13:04,553 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:13:04,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 11:13:04,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 11:13:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 11:13:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 11:13:04,582 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 11:13:04,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:13:04,582 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 11:13:04,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:13:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 11:13:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:13:04,583 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:04,583 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:04,583 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:04,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:04,583 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 11:13:04,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:13:04,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66318349] [2019-12-07 11:13:04,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:13:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:04,646 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66318349] [2019-12-07 11:13:04,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:13:04,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:13:04,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023593052] [2019-12-07 11:13:04,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:13:04,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:13:04,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:13:04,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:13:04,648 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 11:13:04,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:13:04,668 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 11:13:04,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:13:04,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 11:13:04,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:13:04,671 INFO L225 Difference]: With dead ends: 229 [2019-12-07 11:13:04,671 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 11:13:04,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:13:04,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 11:13:04,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 11:13:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 11:13:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 11:13:04,681 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 11:13:04,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:13:04,682 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 11:13:04,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:13:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 11:13:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:13:04,683 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:04,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:04,683 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 11:13:04,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:13:04,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027782932] [2019-12-07 11:13:04,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:13:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:13:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:13:04,848 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:13:04,848 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:13:04,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:13:04 BoogieIcfgContainer [2019-12-07 11:13:04,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:13:04,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:13:04,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:13:04,883 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:13:04,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:04" (3/4) ... [2019-12-07 11:13:04,885 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:13:04,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:13:04,887 INFO L168 Benchmark]: Toolchain (without parser) took 1380.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 946.2 MB in the beginning and 958.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:04,887 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:04,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:04,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.71 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:04,889 INFO L168 Benchmark]: Boogie Preprocessor took 46.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:04,889 INFO L168 Benchmark]: RCFGBuilder took 476.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:04,889 INFO L168 Benchmark]: TraceAbstraction took 535.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 958.0 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:04,890 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 958.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:04,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.71 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 476.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 535.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 958.0 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 958.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 286]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 285. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L276] double x = __VERIFIER_nondet_double(); [L277] double y = -1.0 / 0.0; [L260] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L280] isfinite_double(x) && isinf_double(y) [L246] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L280] isfinite_double(x) && isinf_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L280] COND TRUE isfinite_double(x) && isinf_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L282] double res = __ieee754_atan2(y, x); [L285] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L286] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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, 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 0.1.25-f470102 [2019-12-07 11:13:06,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:13:06,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:13:06,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:13:06,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:13:06,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:13:06,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:13:06,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:13:06,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:13:06,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:13:06,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:13:06,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:13:06,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:13:06,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:13:06,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:13:06,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:13:06,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:13:06,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:13:06,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:13:06,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:13:06,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:13:06,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:13:06,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:13:06,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:13:06,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:13:06,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:13:06,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:13:06,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:13:06,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:13:06,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:13:06,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:13:06,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:13:06,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:13:06,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:13:06,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:13:06,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:13:06,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:13:06,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:13:06,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:13:06,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:13:06,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:13:06,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 11:13:06,279 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:13:06,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:13:06,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:13:06,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:13:06,280 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:13:06,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:13:06,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:13:06,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:13:06,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:13:06,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:13:06,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:13:06,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:13:06,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:13:06,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:06,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 11:13:06,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:13:06,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:13:06,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:13:06,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:13:06,284 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f00084c7-ff7b-49fe-b511-33092688e542/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(__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 -> 9898ce33ba90bf1deafb76b4145359648bf729c6 [2019-12-07 11:13:06,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:13:06,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:13:06,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:13:06,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:13:06,464 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:13:06,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2019-12-07 11:13:06,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/2f3af8fe4/414d85101167478f991244a60e7a76aa/FLAG9b8104bb4 [2019-12-07 11:13:06,843 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:13:06,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2019-12-07 11:13:06,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/2f3af8fe4/414d85101167478f991244a60e7a76aa/FLAG9b8104bb4 [2019-12-07 11:13:06,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/data/2f3af8fe4/414d85101167478f991244a60e7a76aa [2019-12-07 11:13:06,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:13:06,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:13:06,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:06,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:13:06,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:13:06,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:06" (1/1) ... [2019-12-07 11:13:06,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b897a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:06, skipping insertion in model container [2019-12-07 11:13:06,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:06" (1/1) ... [2019-12-07 11:13:06,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:13:06,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:13:07,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:07,039 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:13:07,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:07,133 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:13:07,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07 WrapperNode [2019-12-07 11:13:07,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:07,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:07,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:13:07,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:13:07,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:07,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:13:07,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:13:07,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:13:07,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:13:07,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:13:07,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:13:07,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:13:07,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/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 [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:13:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:13:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:13:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:13:42,768 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:13:42,768 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 11:13:42,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:42 BoogieIcfgContainer [2019-12-07 11:13:42,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:13:42,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:13:42,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:13:42,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:13:42,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:13:06" (1/3) ... [2019-12-07 11:13:42,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b006f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:42, skipping insertion in model container [2019-12-07 11:13:42,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (2/3) ... [2019-12-07 11:13:42,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b006f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:42, skipping insertion in model container [2019-12-07 11:13:42,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:42" (3/3) ... [2019-12-07 11:13:42,774 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684b.c [2019-12-07 11:13:42,781 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:13:42,785 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:13:42,793 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:13:42,809 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:13:42,809 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:13:42,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:13:42,809 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:13:42,810 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:13:42,810 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:13:42,810 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:13:42,810 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:13:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 11:13:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 11:13:42,826 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:42,827 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:42,827 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:42,831 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 11:13:42,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:13:42,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712654582] [2019-12-07 11:13:42,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/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 [2019-12-07 11:13:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:43,190 INFO L264 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:13:43,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:13:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:43,206 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:13:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:43,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712654582] [2019-12-07 11:13:43,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:13:43,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:13:43,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105993024] [2019-12-07 11:13:43,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:13:43,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:13:43,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:13:43,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:13:43,225 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 11:13:43,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:13:43,247 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 11:13:43,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:13:43,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 11:13:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:13:43,256 INFO L225 Difference]: With dead ends: 246 [2019-12-07 11:13:43,257 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 11:13:43,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:13:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 11:13:43,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 11:13:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 11:13:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 11:13:43,289 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 11:13:43,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:13:43,289 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 11:13:43,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:13:43,289 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 11:13:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:13:43,290 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:43,290 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:43,491 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:13:43,492 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:43,493 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 11:13:43,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:13:43,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200681367] [2019-12-07 11:13:43,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 11:13:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:43,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:13:43,889 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:13:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:43,900 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:13:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:43,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200681367] [2019-12-07 11:13:43,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:13:43,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 11:13:43,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557560812] [2019-12-07 11:13:43,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:13:43,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:13:43,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:13:43,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:13:43,905 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 11:13:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:13:44,096 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 11:13:44,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:13:44,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 11:13:44,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:13:44,099 INFO L225 Difference]: With dead ends: 229 [2019-12-07 11:13:44,100 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 11:13:44,101 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:13:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 11:13:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 11:13:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 11:13:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 11:13:44,108 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 11:13:44,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:13:44,108 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 11:13:44,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:13:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 11:13:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:13:44,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:44,109 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:44,310 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:13:44,311 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:44,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:44,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 11:13:44,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:13:44,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434219479] [2019-12-07 11:13:44,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 11:13:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:13:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:13:45,785 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 11:13:45,785 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:13:45,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:13:46,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:13:46 BoogieIcfgContainer [2019-12-07 11:13:46,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:13:46,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:13:46,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:13:46,033 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:13:46,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:42" (3/4) ... [2019-12-07 11:13:46,036 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 11:13:46,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f00084c7-ff7b-49fe-b511-33092688e542/bin/uautomizer/witness.graphml [2019-12-07 11:13:46,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:13:46,101 INFO L168 Benchmark]: Toolchain (without parser) took 39240.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.4 MB in the beginning and 913.9 MB in the end (delta: 38.5 MB). Peak memory consumption was 175.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,102 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:46,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,102 INFO L168 Benchmark]: Boogie Preprocessor took 46.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,103 INFO L168 Benchmark]: RCFGBuilder took 35543.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,103 INFO L168 Benchmark]: TraceAbstraction took 3262.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 920.7 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,103 INFO L168 Benchmark]: Witness Printer took 66.66 ms. Allocated memory is still 1.2 GB. Free memory was 920.7 MB in the beginning and 913.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:46,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 35543.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3262.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 920.7 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * Witness Printer took 66.66 ms. Allocated memory is still 1.2 GB. Free memory was 920.7 MB in the beginning and 913.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 286]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L276] double x = __VERIFIER_nondet_double(); [L277] double y = -1.0 / 0.0; [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L280] isfinite_double(x) && isinf_double(y) [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L280] isfinite_double(x) && isinf_double(y) VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L280] COND TRUE isfinite_double(x) && isinf_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] double res = __ieee754_atan2(y, x); [L285] COND TRUE res != -pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L286] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...