./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91b08fdaea77c510397a986e449fce03f50498e0d8db198e53038e606f1bccca --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:44:38,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:44:38,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:44:38,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:44:38,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:44:38,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:44:38,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:44:38,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:44:38,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:44:38,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:44:38,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:44:38,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:44:38,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:44:38,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:44:38,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:44:38,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:44:38,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:44:38,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:44:39,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:44:39,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:44:39,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:44:39,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:44:39,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:44:39,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:44:39,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:44:39,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:44:39,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:44:39,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:44:39,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:44:39,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:44:39,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:44:39,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:44:39,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:44:39,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:44:39,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:44:39,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:44:39,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:44:39,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:44:39,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:44:39,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:44:39,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:44:39,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:44:39,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:44:39,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:44:39,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:44:39,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:44:39,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:44:39,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:44:39,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:44:39,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:44:39,039 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:44:39,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:44:39,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:44:39,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:44:39,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:44:39,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:44:39,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:44:39,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:44:39,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:44:39,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:44:39,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:44:39,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:44:39,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:44:39,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b08fdaea77c510397a986e449fce03f50498e0d8db198e53038e606f1bccca [2021-12-06 21:44:39,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:44:39,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:44:39,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:44:39,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:44:39,251 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:44:39,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2021-12-06 21:44:39,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/32e8583cd/ae28f5bb9dd841c4b6c4a7a0cd93a695/FLAG0640ab41e [2021-12-06 21:44:39,652 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:44:39,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2021-12-06 21:44:39,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/32e8583cd/ae28f5bb9dd841c4b6c4a7a0cd93a695/FLAG0640ab41e [2021-12-06 21:44:39,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/32e8583cd/ae28f5bb9dd841c4b6c4a7a0cd93a695 [2021-12-06 21:44:39,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:44:39,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:44:39,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:44:39,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:44:39,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:44:39,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3060ec1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39, skipping insertion in model container [2021-12-06 21:44:39,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:44:39,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:44:39,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c[2355,2368] [2021-12-06 21:44:39,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:44:39,829 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:44:39,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c[2355,2368] [2021-12-06 21:44:39,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:44:39,861 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:44:39,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39 WrapperNode [2021-12-06 21:44:39,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:44:39,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:44:39,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:44:39,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:44:39,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,892 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2021-12-06 21:44:39,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:44:39,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:44:39,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:44:39,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:44:39,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:44:39,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:44:39,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:44:39,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:44:39,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (1/1) ... [2021-12-06 21:44:39,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:44:39,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:44:39,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:44:39,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-06 21:44:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:44:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:44:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:44:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:44:40,046 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:44:40,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:44:40,172 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:44:40,176 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:44:40,176 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 21:44:40,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:44:40 BoogieIcfgContainer [2021-12-06 21:44:40,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:44:40,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:44:40,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:44:40,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:44:40,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:44:39" (1/3) ... [2021-12-06 21:44:40,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57da4db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:44:40, skipping insertion in model container [2021-12-06 21:44:40,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:39" (2/3) ... [2021-12-06 21:44:40,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57da4db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:44:40, skipping insertion in model container [2021-12-06 21:44:40,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:44:40" (3/3) ... [2021-12-06 21:44:40,184 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032c.c [2021-12-06 21:44:40,188 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:44:40,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:44:40,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:44:40,228 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:44:40,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:44:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 21:44:40,243 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:40,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:40,244 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1058195810, now seen corresponding path program 1 times [2021-12-06 21:44:40,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:44:40,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588081066] [2021-12-06 21:44:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:40,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:44:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:44:40,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:44:40,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588081066] [2021-12-06 21:44:40,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588081066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:40,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:40,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:44:40,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982824861] [2021-12-06 21:44:40,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:40,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 21:44:40,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:44:40,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 21:44:40,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 21:44:40,383 INFO L87 Difference]: Start difference. First operand has 29 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:40,395 INFO L93 Difference]: Finished difference Result 56 states and 84 transitions. [2021-12-06 21:44:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 21:44:40,397 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-06 21:44:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:40,406 INFO L225 Difference]: With dead ends: 56 [2021-12-06 21:44:40,406 INFO L226 Difference]: Without dead ends: 26 [2021-12-06 21:44:40,409 INFO L932 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 [2021-12-06 21:44:40,413 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:40,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:44:40,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-06 21:44:40,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 21:44:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-12-06 21:44:40,438 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 13 [2021-12-06 21:44:40,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:40,439 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-12-06 21:44:40,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-12-06 21:44:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 21:44:40,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:40,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:40,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:44:40,440 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:40,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:40,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1055488069, now seen corresponding path program 1 times [2021-12-06 21:44:40,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:44:40,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984018575] [2021-12-06 21:44:40,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:40,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:44:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:44:40,509 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:44:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:44:40,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:44:40,564 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 21:44:40,565 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 21:44:40,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:44:40,569 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 21:44:40,572 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:44:40,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:44:40 BoogieIcfgContainer [2021-12-06 21:44:40,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:44:40,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:44:40,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:44:40,592 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:44:40,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:44:40" (3/4) ... [2021-12-06 21:44:40,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 21:44:40,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:44:40,596 INFO L158 Benchmark]: Toolchain (without parser) took 926.26ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 51.7MB in the beginning and 64.4MB in the end (delta: -12.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-12-06 21:44:40,596 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:44:40,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.18ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 51.5MB in the beginning and 83.6MB in the end (delta: -32.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-12-06 21:44:40,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 81.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:44:40,598 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:44:40,598 INFO L158 Benchmark]: RCFGBuilder took 257.19ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 67.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:44:40,598 INFO L158 Benchmark]: TraceAbstraction took 412.57ms. Allocated memory is still 109.1MB. Free memory was 66.9MB in the beginning and 64.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-06 21:44:40,599 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 109.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:44:40,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.18ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 51.5MB in the beginning and 83.6MB in the end (delta: -32.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 81.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.19ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 67.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 412.57ms. Allocated memory is still 109.1MB. Free memory was 66.9MB in the beginning and 64.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 109.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 93]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 33, overapproximation of bitwiseOr at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 74. Possible FailurePath: [L88] double x = 1.0 / 0.0; [L89] CALL, EXPR round_double(x) [L17] __int32_t msw, exponent_less_1023; [L18] __uint32_t lsw; VAL [\old(x)=8589934591, x=8589934591] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (msw) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (lsw) = ew_u.parts.lsw [L25] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=8589934591, exponent_less_1023=0, lsw=0, msw=-2, x=8589934591] [L26] COND TRUE exponent_less_1023 < 20 VAL [\old(x)=8589934591, exponent_less_1023=0, lsw=0, msw=-2, x=8589934591] [L27] COND FALSE !(exponent_less_1023 < 0) [L33] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; VAL [\old(x)=8589934591, exponent_less_1023=0, lsw=0, msw=-2, x=8589934591] [L34] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L35] return x; VAL [\old(x)=8589934591, \result=8589934591, exponent_less_1023=0, lsw=0, msw=-2, x=8589934591] [L89] RET, EXPR round_double(x) [L89] double res = round_double(x); [L92] CALL, EXPR isinf_double(res) [L67] __int32_t hx, lx; VAL [\old(x)=8589934591, x=8589934591] [L69] ieee_double_shape_type ew_u; [L70] ew_u.value = (x) [L71] EXPR ew_u.parts.msw [L71] (hx) = ew_u.parts.msw [L72] EXPR ew_u.parts.lsw [L72] (lx) = ew_u.parts.lsw [L74] hx &= 0x7fffffff [L75] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L76] hx = 0x7ff00000 - hx [L77] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=8589934591, \result=0, hx=2146435073, lx=-1, x=8589934591] [L92] RET, EXPR isinf_double(res) [L92] COND TRUE !isinf_double(res) [L93] reach_error() VAL [res=8589934591, x=8589934591] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 36 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 21:44:40,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91b08fdaea77c510397a986e449fce03f50498e0d8db198e53038e606f1bccca --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:44:42,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:44:42,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:44:42,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:44:42,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:44:42,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:44:42,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:44:42,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:44:42,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:44:42,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:44:42,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:44:42,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:44:42,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:44:42,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:44:42,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:44:42,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:44:42,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:44:42,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:44:42,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:44:42,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:44:42,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:44:42,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:44:42,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:44:42,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:44:42,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:44:42,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:44:42,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:44:42,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:44:42,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:44:42,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:44:42,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:44:42,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:44:42,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:44:42,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:44:42,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:44:42,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:44:42,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:44:42,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:44:42,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:44:42,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:44:42,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:44:42,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 21:44:42,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:44:42,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:44:42,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:44:42,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:44:42,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:44:42,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:44:42,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:44:42,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:44:42,298 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:44:42,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:44:42,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:44:42,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:44:42,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:44:42,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:44:42,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:44:42,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:44:42,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:44:42,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:44:42,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:44:42,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:44:42,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:44:42,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:44:42,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:44:42,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 21:44:42,302 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b08fdaea77c510397a986e449fce03f50498e0d8db198e53038e606f1bccca [2021-12-06 21:44:42,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:44:42,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:44:42,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:44:42,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:44:42,571 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:44:42,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2021-12-06 21:44:42,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/f0d2e712b/87d01177119a41a8aafbeb4dc0ea64d1/FLAG4b3064c3a [2021-12-06 21:44:42,940 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:44:42,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c [2021-12-06 21:44:42,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/f0d2e712b/87d01177119a41a8aafbeb4dc0ea64d1/FLAG4b3064c3a [2021-12-06 21:44:43,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/data/f0d2e712b/87d01177119a41a8aafbeb4dc0ea64d1 [2021-12-06 21:44:43,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:44:43,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:44:43,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:44:43,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:44:43,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:44:43,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b0e7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43, skipping insertion in model container [2021-12-06 21:44:43,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:44:43,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:44:43,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c[2355,2368] [2021-12-06 21:44:43,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:44:43,493 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:44:43,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/sv-benchmarks/c/float-newlib/double_req_bl_1032c.c[2355,2368] [2021-12-06 21:44:43,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:44:43,534 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:44:43,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43 WrapperNode [2021-12-06 21:44:43,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:44:43,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:44:43,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:44:43,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:44:43,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,563 INFO L137 Inliner]: procedures = 19, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2021-12-06 21:44:43,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:44:43,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:44:43,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:44:43,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:44:43,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:44:43,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:44:43,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:44:43,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:44:43,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (1/1) ... [2021-12-06 21:44:43,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:44:43,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:44:43,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:44:43,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:44:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:44:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-06 21:44:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-06 21:44:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 21:44:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:44:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 21:44:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:44:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:44:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 21:44:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:44:43,694 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:44:43,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:44:43,867 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:44:43,871 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:44:43,871 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 21:44:43,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:44:43 BoogieIcfgContainer [2021-12-06 21:44:43,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:44:43,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:44:43,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:44:43,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:44:43,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:44:43" (1/3) ... [2021-12-06 21:44:43,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b28f857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:44:43, skipping insertion in model container [2021-12-06 21:44:43,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:44:43" (2/3) ... [2021-12-06 21:44:43,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b28f857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:44:43, skipping insertion in model container [2021-12-06 21:44:43,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:44:43" (3/3) ... [2021-12-06 21:44:43,884 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032c.c [2021-12-06 21:44:43,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:44:43,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:44:43,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:44:43,929 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:44:43,929 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:44:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:43,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 21:44:43,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:43,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:43,945 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1058195810, now seen corresponding path program 1 times [2021-12-06 21:44:43,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 21:44:43,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143759750] [2021-12-06 21:44:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:43,960 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 21:44:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 21:44:43,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 21:44:43,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 21:44:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:44,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 21:44:44,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:44:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:44:44,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:44:44,076 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 21:44:44,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143759750] [2021-12-06 21:44:44,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143759750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:44,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:44,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:44:44,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497356106] [2021-12-06 21:44:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:44,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 21:44:44,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 21:44:44,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 21:44:44,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 21:44:44,115 INFO L87 Difference]: Start difference. First operand has 29 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:44,131 INFO L93 Difference]: Finished difference Result 56 states and 84 transitions. [2021-12-06 21:44:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 21:44:44,133 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-06 21:44:44,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:44,142 INFO L225 Difference]: With dead ends: 56 [2021-12-06 21:44:44,142 INFO L226 Difference]: Without dead ends: 26 [2021-12-06 21:44:44,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 21:44:44,148 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:44,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:44:44,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-06 21:44:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 21:44:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-12-06 21:44:44,175 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 13 [2021-12-06 21:44:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:44,175 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-12-06 21:44:44,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-12-06 21:44:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 21:44:44,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:44,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:44,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:44:44,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 21:44:44,379 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:44,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1055488069, now seen corresponding path program 1 times [2021-12-06 21:44:44,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 21:44:44,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601598837] [2021-12-06 21:44:44,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:44,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 21:44:44,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 21:44:44,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 21:44:44,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 21:44:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:44,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 21:44:44,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:44:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:44:44,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:44:44,822 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 21:44:44,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601598837] [2021-12-06 21:44:44,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601598837] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:44,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:44,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:44:44,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571706056] [2021-12-06 21:44:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:44,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:44:44,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 21:44:44,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:44:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:44:44,825 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:44,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:44,830 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2021-12-06 21:44:44,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:44:44,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-06 21:44:44,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:44,830 INFO L225 Difference]: With dead ends: 37 [2021-12-06 21:44:44,830 INFO L226 Difference]: Without dead ends: 22 [2021-12-06 21:44:44,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:44:44,832 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:44,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 17 Unchecked, 0.0s Time] [2021-12-06 21:44:44,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-06 21:44:44,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-06 21:44:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-12-06 21:44:44,836 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 15 [2021-12-06 21:44:44,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:44,836 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-12-06 21:44:44,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-12-06 21:44:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 21:44:44,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:44,837 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:44,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 21:44:45,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 21:44:45,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:45,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash 256590961, now seen corresponding path program 1 times [2021-12-06 21:44:45,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 21:44:45,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983508328] [2021-12-06 21:44:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:45,044 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 21:44:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 21:44:45,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 21:44:45,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 21:44:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:45,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 21:44:45,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:44:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:44:45,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:44:45,390 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 21:44:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983508328] [2021-12-06 21:44:45,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983508328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:45,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:45,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:44:45,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007610160] [2021-12-06 21:44:45,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:45,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:44:45,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 21:44:45,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:44:45,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:44:45,399 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:45,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:45,402 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2021-12-06 21:44:45,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:44:45,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-06 21:44:45,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:45,402 INFO L225 Difference]: With dead ends: 30 [2021-12-06 21:44:45,402 INFO L226 Difference]: Without dead ends: 16 [2021-12-06 21:44:45,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:44:45,404 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:45,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2021-12-06 21:44:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-06 21:44:45,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-06 21:44:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-12-06 21:44:45,408 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 15 [2021-12-06 21:44:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:45,409 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-12-06 21:44:45,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-12-06 21:44:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 21:44:45,409 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:45,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:45,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-06 21:44:45,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 21:44:45,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:44:45,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:45,614 INFO L85 PathProgramCache]: Analyzing trace with hash 709099857, now seen corresponding path program 1 times [2021-12-06 21:44:45,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 21:44:45,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545193973] [2021-12-06 21:44:45,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:45,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 21:44:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 21:44:45,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 21:44:45,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 21:44:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:45,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-06 21:44:45,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:44:45,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2021-12-06 21:44:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:44:46,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:44:46,046 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 21:44:46,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545193973] [2021-12-06 21:44:46,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545193973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:46,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:46,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 21:44:46,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573985954] [2021-12-06 21:44:46,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:46,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 21:44:46,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 21:44:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 21:44:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-06 21:44:46,048 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:46,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:46,186 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-12-06 21:44:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 21:44:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-06 21:44:46,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:46,187 INFO L225 Difference]: With dead ends: 16 [2021-12-06 21:44:46,187 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 21:44:46,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-06 21:44:46,189 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 16 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:46,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2021-12-06 21:44:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 21:44:46,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 21:44:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 21:44:46,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-12-06 21:44:46,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:46,191 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:44:46,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:44:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:44:46,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 21:44:46,194 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 21:44:46,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 21:44:46,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 21:44:46,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 21:44:46,521 INFO L858 garLoopResultBuilder]: For program point L68-3(lines 68 73) no Hoare annotation was computed. [2021-12-06 21:44:46,522 INFO L861 garLoopResultBuilder]: At program point L97(lines 80 98) the Hoare annotation is: true [2021-12-06 21:44:46,522 INFO L858 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-12-06 21:44:46,522 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 39) no Hoare annotation was computed. [2021-12-06 21:44:46,522 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 61) no Hoare annotation was computed. [2021-12-06 21:44:46,522 INFO L858 garLoopResultBuilder]: For program point L56-1(lines 16 63) no Hoare annotation was computed. [2021-12-06 21:44:46,522 INFO L858 garLoopResultBuilder]: For program point L56-2(lines 56 61) no Hoare annotation was computed. [2021-12-06 21:44:46,522 INFO L858 garLoopResultBuilder]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2021-12-06 21:44:46,523 INFO L854 garLoopResultBuilder]: At program point L19-2(lines 19 24) the Hoare annotation is: (and (= |ULTIMATE.start_round_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 21:44:46,523 INFO L858 garLoopResultBuilder]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2021-12-06 21:44:46,523 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2021-12-06 21:44:46,523 INFO L854 garLoopResultBuilder]: At program point L77(lines 66 78) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= (bvadd (bvneg (bvlshr (let ((.cse1 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_13|))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res#1|))) [2021-12-06 21:44:46,523 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 55) no Hoare annotation was computed. [2021-12-06 21:44:46,523 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 21:44:46,523 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 21:44:46,523 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 44) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L854 garLoopResultBuilder]: At program point L62(lines 16 63) the Hoare annotation is: (and (= |ULTIMATE.start_round_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_round_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 30) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point L29-2(lines 29 30) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2021-12-06 21:44:46,524 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 95) no Hoare annotation was computed. [2021-12-06 21:44:46,525 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 55) no Hoare annotation was computed. [2021-12-06 21:44:46,525 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-12-06 21:44:46,525 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2021-12-06 21:44:46,525 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 68 73) no Hoare annotation was computed. [2021-12-06 21:44:46,525 INFO L854 garLoopResultBuilder]: At program point L68-2(lines 68 73) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= |ULTIMATE.start_round_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= .cse0 |ULTIMATE.start_round_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven))) [2021-12-06 21:44:46,528 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-06 21:44:46,529 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:44:46,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,545 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,545 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,546 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:44:46 BoogieIcfgContainer [2021-12-06 21:44:46,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:44:46,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:44:46,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:44:46,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:44:46,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:44:43" (3/4) ... [2021-12-06 21:44:46,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 21:44:46,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-12-06 21:44:46,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-06 21:44:46,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 21:44:46,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:44:46,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 21:44:46,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 21:44:46,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_13[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_13[31:0])), 31bv32))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_13[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_13[31:0])), 31bv32))), 2146435072bv32))), 31bv32)), 1bv32) == \result) [2021-12-06 21:44:46,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:44:46,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:44:46,590 INFO L158 Benchmark]: Toolchain (without parser) took 3239.07ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 46.0MB in the end (delta: -7.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-06 21:44:46,591 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:44:46,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.79ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 42.6MB in the end (delta: -4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 21:44:46,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.55ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:44:46,591 INFO L158 Benchmark]: Boogie Preprocessor took 24.07ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 39.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:44:46,592 INFO L158 Benchmark]: RCFGBuilder took 284.59ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 26.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:44:46,592 INFO L158 Benchmark]: TraceAbstraction took 2669.43ms. Allocated memory is still 77.6MB. Free memory was 59.8MB in the beginning and 49.7MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-12-06 21:44:46,592 INFO L158 Benchmark]: Witness Printer took 40.88ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 46.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 21:44:46,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.79ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 42.6MB in the end (delta: -4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.55ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.07ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 39.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.59ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 26.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2669.43ms. Allocated memory is still 77.6MB. Free memory was 59.8MB in the beginning and 49.7MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 40.88ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 46.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 93]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 46 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 76 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 150 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 13 QuantifiedInterpolants, 509 SizeOfPredicates, 26 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 40 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2021-12-06 21:44:46,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant [2021-12-06 21:44:46,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant [2021-12-06 21:44:46,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 66]: Loop Invariant [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-06 21:44:46,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_13[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_13[31:0])), 31bv32))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_13[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_13[31:0])), 31bv32))), 2146435072bv32))), 31bv32)), 1bv32) == \result) RESULT: Ultimate proved your program to be correct! [2021-12-06 21:44:46,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbfea1-1315-4a00-82f0-258c64eea442/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE