./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.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_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/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_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/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_6c4572c1-e097-40c5-bb73-f04251a2a55b/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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:04:26,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:04:26,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:04:26,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:04:26,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:04:26,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:04:26,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:04:26,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:04:26,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:04:26,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:04:26,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:04:26,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:04:26,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:04:26,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:04:26,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:04:26,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:04:26,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:04:26,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:04:26,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:04:26,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:04:26,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:04:26,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:04:26,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:04:26,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:04:26,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:04:26,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:04:26,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:04:26,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:04:26,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:04:26,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:04:26,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:04:26,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:04:26,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:04:26,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:04:26,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:04:26,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:04:26,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:04:26,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:04:26,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:04:26,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:04:26,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:04:26,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:04:26,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:04:26,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:04:26,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:04:26,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:04:26,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:04:26,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:04:26,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:04:26,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:04:26,955 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:04:26,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:04:26,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:04:26,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:04:26,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:04:26,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:04:26,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:04:26,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:04:26,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:04:26,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:04:26,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:04:26,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:04:26,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:04:26,958 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_6c4572c1-e097-40c5-bb73-f04251a2a55b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2021-12-06 17:04:27,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:04:27,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:04:27,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:04:27,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:04:27,172 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:04:27,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-06 17:04:27,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/72edbf964/da1cc2f0fdd64123b789f4ee04991d5f/FLAGe21bd7c21 [2021-12-06 17:04:27,615 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:04:27,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-06 17:04:27,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/72edbf964/da1cc2f0fdd64123b789f4ee04991d5f/FLAGe21bd7c21 [2021-12-06 17:04:27,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/72edbf964/da1cc2f0fdd64123b789f4ee04991d5f [2021-12-06 17:04:27,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:04:27,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:04:27,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:04:27,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:04:27,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:04:27,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:27" (1/1) ... [2021-12-06 17:04:27,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52643de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:27, skipping insertion in model container [2021-12-06 17:04:27,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:27" (1/1) ... [2021-12-06 17:04:27,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:04:27,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:04:27,911 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_6c4572c1-e097-40c5-bb73-f04251a2a55b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-06 17:04:27,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:04:27,925 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:04:27,990 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_6c4572c1-e097-40c5-bb73-f04251a2a55b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-06 17:04:27,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:04:28,007 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:04:28,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28 WrapperNode [2021-12-06 17:04:28,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:04:28,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:04:28,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:04:28,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:04:28,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,068 INFO L137 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1036 [2021-12-06 17:04:28,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:04:28,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:04:28,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:04:28,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:04:28,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:04:28,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:04:28,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:04:28,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:04:28,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (1/1) ... [2021-12-06 17:04:28,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:04:28,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:04:28,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:04:28,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:04:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:04:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-06 17:04:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-06 17:04:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-06 17:04:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-06 17:04:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:04:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 17:04:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:04:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-06 17:04:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:04:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-06 17:04:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-06 17:04:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-06 17:04:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-06 17:04:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-06 17:04:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:04:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:04:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:04:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:04:28,306 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:04:28,307 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:04:28,882 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:04:28,891 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:04:28,891 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-06 17:04:28,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:28 BoogieIcfgContainer [2021-12-06 17:04:28,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:04:28,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:04:28,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:04:28,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:04:28,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:04:27" (1/3) ... [2021-12-06 17:04:28,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f870239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:04:28, skipping insertion in model container [2021-12-06 17:04:28,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:28" (2/3) ... [2021-12-06 17:04:28,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f870239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:04:28, skipping insertion in model container [2021-12-06 17:04:28,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:28" (3/3) ... [2021-12-06 17:04:28,913 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2021-12-06 17:04:28,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:04:28,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:04:28,961 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:04:28,968 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 17:04:28,968 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:04:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 17:04:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 17:04:28,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:04:28,997 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:04:28,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:04:29,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:04:29,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-06 17:04:29,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:04:29,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943994403] [2021-12-06 17:04:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:04:29,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:04:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:04:29,217 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 17:04:29,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:04:29,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943994403] [2021-12-06 17:04:29,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943994403] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:04:29,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:04:29,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:04:29,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590552439] [2021-12-06 17:04:29,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:04:29,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:04:29,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:04:29,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:04:29,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:04:29,257 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:04:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:04:29,315 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-06 17:04:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:04:29,317 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-06 17:04:29,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:04:29,329 INFO L225 Difference]: With dead ends: 512 [2021-12-06 17:04:29,329 INFO L226 Difference]: Without dead ends: 254 [2021-12-06 17:04:29,335 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 17:04:29,339 INFO L933 BasicCegarLoop]: 359 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, 359 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 17:04:29,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:04:29,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-06 17:04:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-06 17:04:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 17:04:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-06 17:04:29,393 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-06 17:04:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:04:29,393 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-06 17:04:29,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:04:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-06 17:04:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:04:29,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:04:29,394 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:04:29,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:04:29,395 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:04:29,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:04:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-06 17:04:29,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:04:29,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761124618] [2021-12-06 17:04:29,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:04:29,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:04:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:04:29,477 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:04:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:04:29,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:04:29,564 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 17:04:29,566 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:04:29,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:04:29,571 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 17:04:29,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:04:29,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:04:29 BoogieIcfgContainer [2021-12-06 17:04:29,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:04:29,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:04:29,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:04:29,621 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:04:29,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:28" (3/4) ... [2021-12-06 17:04:29,624 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:04:29,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:04:29,625 INFO L158 Benchmark]: Toolchain (without parser) took 1990.33ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 65.5MB in the beginning and 54.1MB in the end (delta: 11.5MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-12-06 17:04:29,626 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:04:29,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.44ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 64.4MB in the end (delta: 868.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:04:29,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.32ms. Allocated memory is still 104.9MB. Free memory was 64.4MB in the beginning and 58.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:04:29,627 INFO L158 Benchmark]: Boogie Preprocessor took 67.25ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 52.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:04:29,628 INFO L158 Benchmark]: RCFGBuilder took 756.72ms. Allocated memory is still 104.9MB. Free memory was 51.9MB in the beginning and 36.9MB in the end (delta: 15.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-12-06 17:04:29,629 INFO L158 Benchmark]: TraceAbstraction took 726.02ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 36.5MB in the beginning and 54.1MB in the end (delta: -17.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-12-06 17:04:29,629 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 130.0MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:04:29,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.44ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 64.4MB in the end (delta: 868.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.32ms. Allocated memory is still 104.9MB. Free memory was 64.4MB in the beginning and 58.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.25ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 52.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 756.72ms. Allocated memory is still 104.9MB. Free memory was 51.9MB in the beginning and 36.9MB in the end (delta: 15.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 726.02ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 36.5MB in the beginning and 54.1MB in the end (delta: -17.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 130.0MB. Free memory is still 54.1MB. 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: 647]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 532, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618, overapproximation of bitwiseAnd at line 613, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L366-L377] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L379-L386] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L642] double x = 0.0 / 0.0; [L643] CALL, EXPR cos_double(x) [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L608] ieee_double_shape_type gh_u; [L609] gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] (ix) = gh_u.parts.msw [L613] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L614] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L643] RET, EXPR cos_double(x) [L643] double res = cos_double(x); [L646] CALL, EXPR isnan_double(res) [L88] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L646] RET, EXPR isnan_double(res) [L646] COND TRUE !isnan_double(res) [L647] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 359 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, 359 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=257occurred 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, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 17:04:29,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/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_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/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_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/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_6c4572c1-e097-40c5-bb73-f04251a2a55b/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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:04:31,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:04:31,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:04:31,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:04:31,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:04:31,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:04:31,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:04:31,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:04:31,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:04:31,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:04:31,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:04:31,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:04:31,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:04:31,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:04:31,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:04:31,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:04:31,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:04:31,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:04:31,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:04:31,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:04:31,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:04:31,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:04:31,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:04:31,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:04:31,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:04:31,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:04:31,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:04:31,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:04:31,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:04:31,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:04:31,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:04:31,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:04:31,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:04:31,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:04:31,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:04:31,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:04:31,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:04:31,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:04:31,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:04:31,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:04:31,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:04:31,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 17:04:31,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:04:31,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:04:31,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:04:31,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:04:31,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:04:31,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:04:31,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:04:31,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:04:31,322 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:04:31,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:04:31,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:04:31,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:04:31,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:04:31,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:04:31,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:04:31,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:04:31,325 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:04:31,325 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:04:31,325 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:04:31,325 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:04:31,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:04:31,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:04:31,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:04:31,326 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_6c4572c1-e097-40c5-bb73-f04251a2a55b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2021-12-06 17:04:31,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:04:31,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:04:31,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:04:31,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:04:31,571 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:04:31,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-06 17:04:31,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/ac4a40e55/66a0273a9bdc4677b615fd22161d8382/FLAGa8cd226b2 [2021-12-06 17:04:32,101 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:04:32,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-06 17:04:32,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/ac4a40e55/66a0273a9bdc4677b615fd22161d8382/FLAGa8cd226b2 [2021-12-06 17:04:32,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/data/ac4a40e55/66a0273a9bdc4677b615fd22161d8382 [2021-12-06 17:04:32,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:04:32,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:04:32,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:04:32,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:04:32,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:04:32,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5011946a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32, skipping insertion in model container [2021-12-06 17:04:32,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:04:32,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:04:32,397 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_6c4572c1-e097-40c5-bb73-f04251a2a55b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-06 17:04:32,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:04:32,418 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:04:32,498 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_6c4572c1-e097-40c5-bb73-f04251a2a55b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-06 17:04:32,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:04:32,522 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:04:32,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32 WrapperNode [2021-12-06 17:04:32,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:04:32,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:04:32,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:04:32,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:04:32,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,603 INFO L137 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1034 [2021-12-06 17:04:32,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:04:32,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:04:32,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:04:32,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:04:32,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:04:32,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:04:32,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:04:32,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:04:32,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (1/1) ... [2021-12-06 17:04:32,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:04:32,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:04:32,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:04:32,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:04:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:04:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-06 17:04:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-06 17:04:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-06 17:04:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-06 17:04:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:04:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 17:04:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-06 17:04:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-06 17:04:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:04:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-06 17:04:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 17:04:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-06 17:04:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-06 17:04:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-06 17:04:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-06 17:04:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:04:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:04:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 17:04:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:04:32,869 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:04:32,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:05:27,662 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:05:27,674 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:05:27,674 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-06 17:05:27,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:27 BoogieIcfgContainer [2021-12-06 17:05:27,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:05:27,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:05:27,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:05:27,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:05:27,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:04:32" (1/3) ... [2021-12-06 17:05:27,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5240f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:05:27, skipping insertion in model container [2021-12-06 17:05:27,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:32" (2/3) ... [2021-12-06 17:05:27,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5240f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:05:27, skipping insertion in model container [2021-12-06 17:05:27,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:27" (3/3) ... [2021-12-06 17:05:27,683 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2021-12-06 17:05:27,687 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:05:27,687 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:05:27,725 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:05:27,729 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 17:05:27,730 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:05:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 17:05:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 17:05:27,749 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:05:27,750 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:05:27,750 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:05:27,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:05:27,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-06 17:05:27,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:05:27,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172017895] [2021-12-06 17:05:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:05:27,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:05:27,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:05:27,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:05:27,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:05:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:05:28,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 17:05:28,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:05:28,195 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 17:05:28,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:05:28,196 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:05:28,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172017895] [2021-12-06 17:05:28,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172017895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:05:28,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:05:28,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:05:28,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536787550] [2021-12-06 17:05:28,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:05:28,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:05:28,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:05:28,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:05:28,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:05:28,227 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:05:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:05:28,272 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-06 17:05:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:05:28,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-06 17:05:28,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:05:28,284 INFO L225 Difference]: With dead ends: 512 [2021-12-06 17:05:28,284 INFO L226 Difference]: Without dead ends: 254 [2021-12-06 17:05:28,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 17:05:28,291 INFO L933 BasicCegarLoop]: 359 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, 359 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 17:05:28,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:05:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-06 17:05:28,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-06 17:05:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 17:05:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-06 17:05:28,337 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-06 17:05:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:05:28,337 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-06 17:05:28,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:05:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-06 17:05:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:05:28,338 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:05:28,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:05:28,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:05:28,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:05:28,540 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:05:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:05:28,543 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-06 17:05:28,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:05:28,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126869741] [2021-12-06 17:05:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:05:28,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:05:28,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:05:28,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:05:28,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:05:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:05:28,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:05:28,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:05:29,885 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 17:05:29,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:05:29,886 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:05:29,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126869741] [2021-12-06 17:05:29,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126869741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:05:29,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:05:29,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:05:29,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080595465] [2021-12-06 17:05:29,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:05:29,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:05:29,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:05:29,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:05:29,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:05:29,890 INFO L87 Difference]: Start difference. First operand 254 states and 356 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 17:05:33,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:36,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:38,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:40,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:42,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:45,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:47,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:50,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:53,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:54,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:56,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:05:59,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:01,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:03,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:05,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:08,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:10,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:13,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:15,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:18,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:20,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:23,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:28,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:30,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:32,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:36,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:38,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:40,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:43,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:44,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:47,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:49,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:06:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:06:49,562 INFO L93 Difference]: Finished difference Result 381 states and 530 transitions. [2021-12-06 17:06:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:06:49,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2021-12-06 17:06:49,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:06:49,599 INFO L225 Difference]: With dead ends: 381 [2021-12-06 17:06:49,599 INFO L226 Difference]: Without dead ends: 376 [2021-12-06 17:06:49,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:06:49,601 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 303 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 12 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:06:49,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 1600 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 153 Invalid, 28 Unknown, 0 Unchecked, 79.2s Time] [2021-12-06 17:06:49,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-12-06 17:06:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 292. [2021-12-06 17:06:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 273 states have (on average 1.3956043956043955) internal successors, (381), 274 states have internal predecessors, (381), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-12-06 17:06:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 408 transitions. [2021-12-06 17:06:49,627 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 408 transitions. Word has length 11 [2021-12-06 17:06:49,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:06:49,627 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 408 transitions. [2021-12-06 17:06:49,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 17:06:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 408 transitions. [2021-12-06 17:06:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 17:06:49,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:06:49,628 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:06:49,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 17:06:49,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:06:49,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:06:49,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:06:49,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1679552789, now seen corresponding path program 1 times [2021-12-06 17:06:49,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:06:49,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901887152] [2021-12-06 17:06:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:06:49,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:06:49,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:06:49,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:06:49,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:06:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:06:50,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:06:50,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:06:53,028 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 17:06:53,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:06:53,028 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:06:53,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901887152] [2021-12-06 17:06:53,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901887152] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:06:53,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:06:53,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:06:53,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281768870] [2021-12-06 17:06:53,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:06:53,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:06:53,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:06:53,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:06:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:06:53,031 INFO L87 Difference]: Start difference. First operand 292 states and 408 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:06:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:06:53,047 INFO L93 Difference]: Finished difference Result 311 states and 429 transitions. [2021-12-06 17:06:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:06:53,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-06 17:06:53,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:06:53,051 INFO L225 Difference]: With dead ends: 311 [2021-12-06 17:06:53,051 INFO L226 Difference]: Without dead ends: 290 [2021-12-06 17:06:53,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:06:53,053 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:06:53,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1385 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-06 17:06:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-12-06 17:06:53,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-12-06 17:06:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 273 states have internal predecessors, (379), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-06 17:06:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 404 transitions. [2021-12-06 17:06:53,072 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 404 transitions. Word has length 20 [2021-12-06 17:06:53,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:06:53,073 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 404 transitions. [2021-12-06 17:06:53,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:06:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 404 transitions. [2021-12-06 17:06:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-06 17:06:53,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:06:53,074 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:06:53,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:06:53,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:06:53,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:06:53,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:06:53,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1493280314, now seen corresponding path program 1 times [2021-12-06 17:06:53,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:06:53,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911142023] [2021-12-06 17:06:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:06:53,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:06:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:06:53,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:06:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:06:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:06:53,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:06:53,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:06:54,845 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 17:06:54,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:06:54,845 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:06:54,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911142023] [2021-12-06 17:06:54,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911142023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:06:54,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:06:54,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:06:54,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042587489] [2021-12-06 17:06:54,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:06:54,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:06:54,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:06:54,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:06:54,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:06:54,848 INFO L87 Difference]: Start difference. First operand 290 states and 404 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 17:06:54,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:06:54,863 INFO L93 Difference]: Finished difference Result 333 states and 459 transitions. [2021-12-06 17:06:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:06:54,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2021-12-06 17:06:54,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:06:54,866 INFO L225 Difference]: With dead ends: 333 [2021-12-06 17:06:54,866 INFO L226 Difference]: Without dead ends: 290 [2021-12-06 17:06:54,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:06:54,868 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:06:54,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1695 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 30 Unchecked, 0.0s Time] [2021-12-06 17:06:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-12-06 17:06:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-12-06 17:06:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 272 states have (on average 1.3897058823529411) internal successors, (378), 273 states have internal predecessors, (378), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-06 17:06:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 403 transitions. [2021-12-06 17:06:54,882 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 403 transitions. Word has length 21 [2021-12-06 17:06:54,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:06:54,882 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 403 transitions. [2021-12-06 17:06:54,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 17:06:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 403 transitions. [2021-12-06 17:06:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 17:06:54,884 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:06:54,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:06:54,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 17:06:55,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:06:55,085 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:06:55,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:06:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash -818154427, now seen corresponding path program 1 times [2021-12-06 17:06:55,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:06:55,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129829928] [2021-12-06 17:06:55,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:06:55,088 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:06:55,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:06:55,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:06:55,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:06:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:06:55,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:06:55,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:06:55,838 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 17:06:55,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:06:55,839 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:06:55,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129829928] [2021-12-06 17:06:55,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129829928] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:06:55,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:06:55,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:06:55,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906035750] [2021-12-06 17:06:55,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:06:55,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:06:55,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:06:55,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:06:55,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:06:55,841 INFO L87 Difference]: Start difference. First operand 290 states and 403 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 17:06:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:06:56,257 INFO L93 Difference]: Finished difference Result 337 states and 461 transitions. [2021-12-06 17:06:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:06:56,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2021-12-06 17:06:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:06:56,260 INFO L225 Difference]: With dead ends: 337 [2021-12-06 17:06:56,260 INFO L226 Difference]: Without dead ends: 298 [2021-12-06 17:06:56,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:06:56,261 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 17 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:06:56,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 1016 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 17:06:56,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-12-06 17:06:56,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 291. [2021-12-06 17:06:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 273 states have (on average 1.3846153846153846) internal successors, (378), 274 states have internal predecessors, (378), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-06 17:06:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 403 transitions. [2021-12-06 17:06:56,273 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 403 transitions. Word has length 24 [2021-12-06 17:06:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:06:56,273 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 403 transitions. [2021-12-06 17:06:56,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 17:06:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 403 transitions. [2021-12-06 17:06:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:06:56,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:06:56,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:06:56,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-06 17:06:56,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:06:56,476 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:06:56,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:06:56,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2089633339, now seen corresponding path program 1 times [2021-12-06 17:06:56,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:06:56,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946155517] [2021-12-06 17:06:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:06:56,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:06:56,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:06:56,483 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:06:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 17:06:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:06:56,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-06 17:06:56,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:06:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:06:58,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-06 17:06:59,364 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:06:59,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-06 17:07:01,501 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 17:07:01,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:07:01,502 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:07:01,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946155517] [2021-12-06 17:07:01,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946155517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:07:01,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:07:01,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:07:01,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960155680] [2021-12-06 17:07:01,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:07:01,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:07:01,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:07:01,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:07:01,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:07:01,505 INFO L87 Difference]: Start difference. First operand 291 states and 403 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:07:05,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:07,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:09,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:12,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:17,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:19,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:21,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:24,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:26,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:28,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:31,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:33,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:35,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:38,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:40,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:42,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:45,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:47,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:50,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:51,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:54,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:57,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:07:59,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:02,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:07,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:10,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:13,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:15,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:17,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:21,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:22,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:24,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:26,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:26,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:08:26,988 INFO L93 Difference]: Finished difference Result 383 states and 527 transitions. [2021-12-06 17:08:27,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:08:27,023 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 17:08:27,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:08:27,026 INFO L225 Difference]: With dead ends: 383 [2021-12-06 17:08:27,026 INFO L226 Difference]: Without dead ends: 377 [2021-12-06 17:08:27,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-12-06 17:08:27,028 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 371 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 21 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 282 IncrementalHoareTripleChecker+Unchecked, 83.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:08:27,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 2563 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 124 Invalid, 30 Unknown, 282 Unchecked, 83.7s Time] [2021-12-06 17:08:27,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-12-06 17:08:27,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 300. [2021-12-06 17:08:27,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 280 states have (on average 1.3821428571428571) internal successors, (387), 283 states have internal predecessors, (387), 13 states have call successors, (13), 5 states have call predecessors, (13), 6 states have return successors, (16), 11 states have call predecessors, (16), 13 states have call successors, (16) [2021-12-06 17:08:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 416 transitions. [2021-12-06 17:08:27,052 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 416 transitions. Word has length 30 [2021-12-06 17:08:27,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:08:27,052 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 416 transitions. [2021-12-06 17:08:27,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:08:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 416 transitions. [2021-12-06 17:08:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 17:08:27,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:08:27,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:08:27,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-06 17:08:27,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:08:27,256 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:08:27,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:08:27,258 INFO L85 PathProgramCache]: Analyzing trace with hash -497702215, now seen corresponding path program 1 times [2021-12-06 17:08:27,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:08:27,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620608517] [2021-12-06 17:08:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:08:27,260 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:08:27,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:08:27,262 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:08:27,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 17:08:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:08:27,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:08:27,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:08:29,427 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 17:08:29,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:08:29,428 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:08:29,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620608517] [2021-12-06 17:08:29,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620608517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:08:29,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:08:29,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:08:29,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070568849] [2021-12-06 17:08:29,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:08:29,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:08:29,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:08:29,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:08:29,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:08:29,430 INFO L87 Difference]: Start difference. First operand 300 states and 416 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:08:29,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:08:29,449 INFO L93 Difference]: Finished difference Result 350 states and 480 transitions. [2021-12-06 17:08:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:08:29,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-06 17:08:29,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:08:29,453 INFO L225 Difference]: With dead ends: 350 [2021-12-06 17:08:29,453 INFO L226 Difference]: Without dead ends: 295 [2021-12-06 17:08:29,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:08:29,455 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 0 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:08:29,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1645 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2021-12-06 17:08:29,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-12-06 17:08:29,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2021-12-06 17:08:29,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 275 states have (on average 1.3745454545454545) internal successors, (378), 278 states have internal predecessors, (378), 13 states have call successors, (13), 5 states have call predecessors, (13), 6 states have return successors, (16), 11 states have call predecessors, (16), 13 states have call successors, (16) [2021-12-06 17:08:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 407 transitions. [2021-12-06 17:08:29,472 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 407 transitions. Word has length 31 [2021-12-06 17:08:29,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:08:29,473 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 407 transitions. [2021-12-06 17:08:29,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:08:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 407 transitions. [2021-12-06 17:08:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 17:08:29,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:08:29,474 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:08:29,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 17:08:29,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:08:29,675 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:08:29,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:08:29,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1459474046, now seen corresponding path program 1 times [2021-12-06 17:08:29,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:08:29,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742630694] [2021-12-06 17:08:29,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:08:29,678 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:08:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:08:29,680 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:08:29,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 17:08:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:08:32,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-06 17:08:32,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:08:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:08:34,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-06 17:08:34,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:08:34,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-06 17:08:37,199 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 17:08:37,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:08:37,199 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:08:37,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742630694] [2021-12-06 17:08:37,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742630694] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:08:37,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:08:37,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:08:37,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553098521] [2021-12-06 17:08:37,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:08:37,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:08:37,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:08:37,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:08:37,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:08:37,201 INFO L87 Difference]: Start difference. First operand 295 states and 407 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:08:40,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:43,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:45,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:48,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:50,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:52,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:54,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:56,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:08:59,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:01,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:03,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:06,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:08,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:11,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:13,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:16,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:18,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:20,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:22,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:24,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:27,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:29,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:32,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:34,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:36,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:38,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:41,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:47,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:49,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:52,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:54,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:56,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:09:58,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:00,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:02,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:05,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:06,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:09,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:11,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:13,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:15,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:17,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:10:17,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:17,681 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2021-12-06 17:10:17,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:10:17,714 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-06 17:10:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:17,717 INFO L225 Difference]: With dead ends: 361 [2021-12-06 17:10:17,717 INFO L226 Difference]: Without dead ends: 355 [2021-12-06 17:10:17,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:10:17,718 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 217 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 230 IncrementalHoareTripleChecker+Unchecked, 99.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:17,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 2678 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 37 Unknown, 230 Unchecked, 99.1s Time] [2021-12-06 17:10:17,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-12-06 17:10:17,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 316. [2021-12-06 17:10:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 292 states have (on average 1.36986301369863) internal successors, (400), 295 states have internal predecessors, (400), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 14 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-06 17:10:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 435 transitions. [2021-12-06 17:10:17,732 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 435 transitions. Word has length 31 [2021-12-06 17:10:17,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:17,732 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 435 transitions. [2021-12-06 17:10:17,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:10:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 435 transitions. [2021-12-06 17:10:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 17:10:17,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:17,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:10:17,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 17:10:17,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:10:17,934 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:17,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:17,934 INFO L85 PathProgramCache]: Analyzing trace with hash 122236530, now seen corresponding path program 1 times [2021-12-06 17:10:17,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:10:17,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266801372] [2021-12-06 17:10:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:17,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:10:17,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:10:17,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:10:17,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 17:10:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:20,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:10:20,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:10:23,796 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 17:10:23,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:10:23,797 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:10:23,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266801372] [2021-12-06 17:10:23,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266801372] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:23,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:23,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:10:23,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046072536] [2021-12-06 17:10:23,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:23,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:10:23,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:10:23,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:10:23,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:10:23,799 INFO L87 Difference]: Start difference. First operand 316 states and 435 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:10:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:23,805 INFO L93 Difference]: Finished difference Result 316 states and 435 transitions. [2021-12-06 17:10:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:10:23,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2021-12-06 17:10:23,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:23,805 INFO L225 Difference]: With dead ends: 316 [2021-12-06 17:10:23,806 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:10:23,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:10:23,807 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:23,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-12-06 17:10:23,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:10:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:10:23,809 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 17:10:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:10:23,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-12-06 17:10:23,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:23,809 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:10:23,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:10:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:10:23,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:10:23,812 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:10:23,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 17:10:24,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:10:24,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:10:25,326 INFO L861 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: true [2021-12-06 17:10:25,326 INFO L858 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2021-12-06 17:10:25,326 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2021-12-06 17:10:25,326 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 115 165) no Hoare annotation was computed. [2021-12-06 17:10:25,326 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 148) no Hoare annotation was computed. [2021-12-06 17:10:25,327 INFO L861 garLoopResultBuilder]: At program point L143-2(lines 143 148) the Hoare annotation is: true [2021-12-06 17:10:25,327 INFO L858 garLoopResultBuilder]: For program point L143-3(lines 143 148) no Hoare annotation was computed. [2021-12-06 17:10:25,327 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 155) no Hoare annotation was computed. [2021-12-06 17:10:25,327 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 115 165) no Hoare annotation was computed. [2021-12-06 17:10:25,327 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 141) no Hoare annotation was computed. [2021-12-06 17:10:25,327 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 115 165) the Hoare annotation is: true [2021-12-06 17:10:25,327 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2021-12-06 17:10:25,327 INFO L861 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2021-12-06 17:10:25,328 INFO L858 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2021-12-06 17:10:25,328 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 136) no Hoare annotation was computed. [2021-12-06 17:10:25,328 INFO L858 garLoopResultBuilder]: For program point L124-2(lines 115 165) no Hoare annotation was computed. [2021-12-06 17:10:25,328 INFO L861 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2021-12-06 17:10:25,328 INFO L858 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2021-12-06 17:10:25,328 INFO L861 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: true [2021-12-06 17:10:25,328 INFO L858 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2021-12-06 17:10:25,328 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L158-1(lines 158 163) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L861 garLoopResultBuilder]: At program point L158-2(lines 158 163) the Hoare annotation is: true [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L158-3(lines 158 163) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L861 garLoopResultBuilder]: At program point L117-2(lines 117 122) the Hoare annotation is: true [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 150) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-12-06 17:10:25,329 INFO L858 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 90 109) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 90 109) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 90 109) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 107) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 90 109) the Hoare annotation is: true [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 90 109) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point L102-2(lines 102 107) no Hoare annotation was computed. [2021-12-06 17:10:25,330 INFO L858 garLoopResultBuilder]: For program point L92-1(lines 92 96) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L861 garLoopResultBuilder]: At program point L92-2(lines 92 96) the Hoare annotation is: true [2021-12-06 17:10:25,331 INFO L858 garLoopResultBuilder]: For program point L547-2(lines 547 550) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L861 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: true [2021-12-06 17:10:25,331 INFO L858 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 538 572) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 538 572) no Hoare annotation was computed. [2021-12-06 17:10:25,331 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 538 572) the Hoare annotation is: true [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 549) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L561-1(lines 561 566) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L861 garLoopResultBuilder]: At program point L561-2(lines 561 566) the Hoare annotation is: true [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L561-3(lines 558 567) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 571) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 550) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L854 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: false [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 307) no Hoare annotation was computed. [2021-12-06 17:10:25,332 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 268) no Hoare annotation was computed. [2021-12-06 17:10:25,333 INFO L854 garLoopResultBuilder]: At program point L300-2(lines 291 308) the Hoare annotation is: false [2021-12-06 17:10:25,333 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-12-06 17:10:25,333 INFO L854 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2021-12-06 17:10:25,333 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-12-06 17:10:25,333 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 466 470) no Hoare annotation was computed. [2021-12-06 17:10:25,333 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 466 470) the Hoare annotation is: false [2021-12-06 17:10:25,333 INFO L858 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-12-06 17:10:25,333 INFO L858 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2021-12-06 17:10:25,333 INFO L854 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 505) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 399 528) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L500-2(lines 500 505) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 204) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 204) no Hoare annotation was computed. [2021-12-06 17:10:25,334 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 337) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 240) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L854 garLoopResultBuilder]: At program point L336-3(lines 336 337) the Hoare annotation is: false [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L336-4(lines 322 362) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L338-1(line 338) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 240) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L272-1(lines 196 364) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 178) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 196 364) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L173-1(lines 166 180) no Hoare annotation was computed. [2021-12-06 17:10:25,335 INFO L858 garLoopResultBuilder]: For program point L173-2(lines 173 178) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L854 garLoopResultBuilder]: At program point L604(lines 604 633) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L406-1(lines 406 410) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L854 garLoopResultBuilder]: At program point L406-2(lines 406 410) the Hoare annotation is: false [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L406-3(lines 406 410) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L274-2(lines 274 275) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L854 garLoopResultBuilder]: At program point L274-3(lines 274 275) the Hoare annotation is: false [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L274-4(lines 272 289) no Hoare annotation was computed. [2021-12-06 17:10:25,336 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L242(lines 196 364) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L854 garLoopResultBuilder]: At program point L341-3(lines 341 345) the Hoare annotation is: false [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L341-4(lines 341 345) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L209-2(lines 209 210) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L854 garLoopResultBuilder]: At program point L209-3(lines 209 210) the Hoare annotation is: false [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L209-4(lines 209 210) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L507-1(lines 507 512) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L854 garLoopResultBuilder]: At program point L507-2(lines 507 512) the Hoare annotation is: false [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L507-3(lines 507 512) no Hoare annotation was computed. [2021-12-06 17:10:25,337 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L210-2(line 210) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_~#y~0#1.offset| (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 488) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L277-1(lines 277 278) no Hoare annotation was computed. [2021-12-06 17:10:25,338 INFO L858 garLoopResultBuilder]: For program point L277-3(lines 277 278) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L854 garLoopResultBuilder]: At program point L277-4(lines 277 278) the Hoare annotation is: false [2021-12-06 17:10:25,339 INFO L858 garLoopResultBuilder]: For program point L277-5(lines 277 278) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L858 garLoopResultBuilder]: For program point L311-2(lines 311 314) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L854 garLoopResultBuilder]: At program point L311-3(lines 311 314) the Hoare annotation is: false [2021-12-06 17:10:25,339 INFO L854 garLoopResultBuilder]: At program point L179(lines 166 180) the Hoare annotation is: false [2021-12-06 17:10:25,339 INFO L858 garLoopResultBuilder]: For program point L245-2(lines 245 254) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L858 garLoopResultBuilder]: For program point L311-4(lines 311 314) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L858 garLoopResultBuilder]: For program point L212-2(lines 212 216) no Hoare annotation was computed. [2021-12-06 17:10:25,339 INFO L854 garLoopResultBuilder]: At program point L245-3(lines 245 254) the Hoare annotation is: false [2021-12-06 17:10:25,339 INFO L854 garLoopResultBuilder]: At program point L212-3(lines 212 216) the Hoare annotation is: false [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L245-4(lines 242 270) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L212-4(lines 212 216) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 214) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L854 garLoopResultBuilder]: At program point L213-3(lines 213 214) the Hoare annotation is: false [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L213-4(lines 213 214) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L346-2(lines 346 350) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L854 garLoopResultBuilder]: At program point L346-3(lines 346 350) the Hoare annotation is: false [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 285) no Hoare annotation was computed. [2021-12-06 17:10:25,340 INFO L858 garLoopResultBuilder]: For program point L346-4(lines 346 350) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 285) the Hoare annotation is: false [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 285) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L513-2(lines 513 516) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L854 garLoopResultBuilder]: At program point L513-3(lines 513 516) the Hoare annotation is: false [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L513-4(lines 513 516) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L282-2(lines 282 283) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L854 garLoopResultBuilder]: At program point L282-3(lines 282 283) the Hoare annotation is: false [2021-12-06 17:10:25,341 INFO L858 garLoopResultBuilder]: For program point L282-4(lines 282 283) no Hoare annotation was computed. [2021-12-06 17:10:25,341 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 649) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L448-2(lines 448 480) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 320) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 320) the Hoare annotation is: false [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 316 320) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L647(line 647) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 632) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 487) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 318) no Hoare annotation was computed. [2021-12-06 17:10:25,342 INFO L854 garLoopResultBuilder]: At program point L317-3(lines 317 318) the Hoare annotation is: false [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L317-4(lines 317 318) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L854 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 441) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 351 352) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L854 garLoopResultBuilder]: At program point L351-3(lines 351 352) the Hoare annotation is: false [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L351-4(lines 322 362) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 440) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L854 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-12-06 17:10:25,343 INFO L861 garLoopResultBuilder]: At program point L650(lines 635 651) the Hoare annotation is: true [2021-12-06 17:10:25,343 INFO L858 garLoopResultBuilder]: For program point L617(lines 617 632) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L854 garLoopResultBuilder]: At program point L287(lines 196 364) the Hoare annotation is: false [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L221-2(lines 221 225) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L854 garLoopResultBuilder]: At program point L221-3(lines 221 225) the Hoare annotation is: false [2021-12-06 17:10:25,344 INFO L854 garLoopResultBuilder]: At program point L221-4(lines 221 225) the Hoare annotation is: false [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L519-1(lines 519 520) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L854 garLoopResultBuilder]: At program point L519-3(lines 519 520) the Hoare annotation is: false [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L519-4(lines 519 520) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L255-1(lines 242 270) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2021-12-06 17:10:25,344 INFO L854 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L854 garLoopResultBuilder]: At program point L322(lines 322 362) the Hoare annotation is: false [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L854 garLoopResultBuilder]: At program point L256(lines 256 263) the Hoare annotation is: false [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 631) no Hoare annotation was computed. [2021-12-06 17:10:25,345 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 493) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 326) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L854 garLoopResultBuilder]: At program point L325-3(lines 325 326) the Hoare annotation is: false [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L325-4(lines 322 362) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L854 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: false [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L294-1(lines 294 297) no Hoare annotation was computed. [2021-12-06 17:10:25,346 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2021-12-06 17:10:25,346 INFO L858 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 479) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 448 480) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L854 garLoopResultBuilder]: At program point L527(lines 399 528) the Hoare annotation is: false [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L329-2(line 329) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 647) no Hoare annotation was computed. [2021-12-06 17:10:25,347 INFO L858 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L495-1(lines 495 499) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L854 garLoopResultBuilder]: At program point L495-2(lines 495 499) the Hoare annotation is: false [2021-12-06 17:10:25,348 INFO L854 garLoopResultBuilder]: At program point L363(lines 195 364) the Hoare annotation is: false [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L854 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: false [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 438) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L431-2(lines 431 438) no Hoare annotation was computed. [2021-12-06 17:10:25,348 INFO L854 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: false [2021-12-06 17:10:25,348 INFO L858 garLoopResultBuilder]: For program point L299-1(line 299) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 332 333) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L854 garLoopResultBuilder]: At program point L332-3(lines 332 333) the Hoare annotation is: false [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L332-4(lines 322 362) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 582 602) the Hoare annotation is: true [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 582 602) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 594) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L591-2(lines 591 594) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L861 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: true [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 582 602) no Hoare annotation was computed. [2021-12-06 17:10:25,349 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 601) no Hoare annotation was computed. [2021-12-06 17:10:25,350 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 593) no Hoare annotation was computed. [2021-12-06 17:10:25,352 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:10:25,354 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:10:25,363 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:10:25,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:10:25,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:10:25 BoogieIcfgContainer [2021-12-06 17:10:25,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:10:25,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:10:25,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:10:25,372 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:10:25,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:27" (3/4) ... [2021-12-06 17:10:25,375 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:10:25,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-12-06 17:10:25,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-06 17:10:25,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-12-06 17:10:25,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-12-06 17:10:25,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-06 17:10:25,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-12-06 17:10:25,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-06 17:10:25,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:10:25,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y == 0bv32 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 17:10:25,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 17:10:25,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 17:10:25,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:10:25,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:10:25,498 INFO L158 Benchmark]: Toolchain (without parser) took 353370.94ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 36.0MB in the beginning and 55.2MB in the end (delta: -19.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,498 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:10:25,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.41ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 35.8MB in the beginning and 58.0MB in the end (delta: -22.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.13ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 73.9MB in the end (delta: -16.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,499 INFO L158 Benchmark]: Boogie Preprocessor took 75.25ms. Allocated memory is still 94.4MB. Free memory was 73.9MB in the beginning and 67.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,499 INFO L158 Benchmark]: RCFGBuilder took 54996.72ms. Allocated memory is still 94.4MB. Free memory was 66.7MB in the beginning and 53.6MB in the end (delta: 13.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,499 INFO L158 Benchmark]: TraceAbstraction took 297694.03ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 39.3MB in the end (delta: 14.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,499 INFO L158 Benchmark]: Witness Printer took 125.15ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 55.2MB in the end (delta: -15.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-06 17:10:25,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.41ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 35.8MB in the beginning and 58.0MB in the end (delta: -22.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.13ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 73.9MB in the end (delta: -16.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.25ms. Allocated memory is still 94.4MB. Free memory was 73.9MB in the beginning and 67.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 54996.72ms. Allocated memory is still 94.4MB. Free memory was 66.7MB in the beginning and 53.6MB in the end (delta: 13.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * TraceAbstraction took 297694.03ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 39.3MB in the end (delta: 14.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 125.15ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 55.2MB in the end (delta: -15.9MB). Peak memory consumption was 16.3MB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - 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[currentRoundingMode,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 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 * 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: 647]: 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 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 297.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 266.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 95 mSolverCounterUnknown, 926 SdHoareTripleChecker+Valid, 262.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 12949 SdHoareTripleChecker+Invalid, 254.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 576 IncrementalHoareTripleChecker+Unchecked, 10260 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 426 IncrementalHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 2689 mSDtfsCounter, 426 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=8, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 207 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 194 PreInvPairs, 199 NumberOfFragments, 121 HoareAnnotationTreeSize, 194 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 202 ConstructedInterpolants, 47 QuantifiedInterpolants, 1386 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2521 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant [2021-12-06 17:10:25,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:10:25,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:10:25,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (y == 0bv32 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:10:25,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 17:10:25,712 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-06 17:10:25,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4572c1-e097-40c5-bb73-f04251a2a55b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE