./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G --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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:06:15,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:06:15,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:06:15,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:06:15,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:06:15,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:06:15,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:06:15,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:06:15,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:06:15,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:06:15,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:06:15,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:06:15,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:06:15,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:06:15,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:06:15,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:06:15,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:06:15,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:06:15,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:06:15,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:06:15,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:06:15,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:06:15,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:06:15,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:06:15,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:06:15,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:06:15,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:06:15,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:06:15,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:06:15,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:06:15,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:06:15,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:06:15,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:06:15,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:06:15,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:06:15,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:06:15,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:06:15,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:06:15,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:06:15,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:06:15,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:06:15,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:06:15,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:06:15,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:06:15,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:06:15,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:06:15,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:06:15,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:06:15,897 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:06:15,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:06:15,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:06:15,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:06:15,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:06:15,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:06:15,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:06:15,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:06:15,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:06:15,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:06:15,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:06:15,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:06:15,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:06:15,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:06:15,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:06:15,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:06:15,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:06:15,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:06:15,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:06:15,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:06:15,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:06:15,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:06:15,906 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:06:15,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:06:15,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:06:15,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:06:15,907 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_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2021-11-23 13:06:16,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:06:16,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:06:16,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:06:16,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:06:16,344 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:06:16,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2021-11-23 13:06:16,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/ba76bf353/a183664003974fd9b4dc352fc319c7fd/FLAGdc42bb900 [2021-11-23 13:06:17,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:06:17,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2021-11-23 13:06:17,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/ba76bf353/a183664003974fd9b4dc352fc319c7fd/FLAGdc42bb900 [2021-11-23 13:06:17,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/ba76bf353/a183664003974fd9b4dc352fc319c7fd [2021-11-23 13:06:17,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:06:17,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:06:17,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:06:17,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:06:17,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:06:17,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:17" (1/1) ... [2021-11-23 13:06:17,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67889877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:17, skipping insertion in model container [2021-11-23 13:06:17,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:17" (1/1) ... [2021-11-23 13:06:17,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:06:17,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:06:17,976 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_a8dd1c9f-26eb-4dab-9832-492e9500b700/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2021-11-23 13:06:17,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:06:17,993 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:06:18,072 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_a8dd1c9f-26eb-4dab-9832-492e9500b700/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2021-11-23 13:06:18,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:06:18,096 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:06:18,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18 WrapperNode [2021-11-23 13:06:18,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:06:18,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:06:18,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:06:18,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:06:18,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,203 INFO L137 Inliner]: procedures = 22, calls = 103, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 600 [2021-11-23 13:06:18,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:06:18,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:06:18,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:06:18,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:06:18,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:06:18,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:06:18,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:06:18,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:06:18,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 13:06:18,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:06:18,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:06:18,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:06:18,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:06:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:06:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:06:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:06:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 13:06:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:06:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 13:06:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:06:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:06:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:06:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-23 13:06:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:06:18,679 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:06:18,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:06:19,487 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:06:19,506 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:06:19,507 INFO L301 CfgBuilder]: Removed 34 assume(true) statements. [2021-11-23 13:06:19,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:19 BoogieIcfgContainer [2021-11-23 13:06:19,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:06:19,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:06:19,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:06:19,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:06:19,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:06:17" (1/3) ... [2021-11-23 13:06:19,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e388f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:06:19, skipping insertion in model container [2021-11-23 13:06:19,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (2/3) ... [2021-11-23 13:06:19,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e388f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:06:19, skipping insertion in model container [2021-11-23 13:06:19,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:19" (3/3) ... [2021-11-23 13:06:19,528 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2021-11-23 13:06:19,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:06:19,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:06:19,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:06:19,624 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 [2021-11-23 13:06:19,625 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:06:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.6929133858267718) internal successors, (215), 128 states have internal predecessors, (215), 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) [2021-11-23 13:06:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 13:06:19,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:06:19,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:06:19,701 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:06:19,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:06:19,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2021-11-23 13:06:19,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:06:19,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374070497] [2021-11-23 13:06:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:06:19,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:06:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:06:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:06:19,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:06:19,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374070497] [2021-11-23 13:06:19,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374070497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:06:19,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:06:19,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:06:19,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268546279] [2021-11-23 13:06:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:06:19,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:06:19,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:06:19,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:06:19,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:06:19,994 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.6929133858267718) internal successors, (215), 128 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:06:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:06:20,037 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2021-11-23 13:06:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:06:20,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-23 13:06:20,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:06:20,119 INFO L225 Difference]: With dead ends: 256 [2021-11-23 13:06:20,119 INFO L226 Difference]: Without dead ends: 125 [2021-11-23 13:06:20,124 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 [2021-11-23 13:06:20,135 INFO L933 BasicCegarLoop]: 180 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, 180 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 [2021-11-23 13:06:20,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:06:20,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-23 13:06:20,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-23 13:06:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 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) [2021-11-23 13:06:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2021-11-23 13:06:20,240 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2021-11-23 13:06:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:06:20,241 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2021-11-23 13:06:20,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:06:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2021-11-23 13:06:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 13:06:20,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:06:20,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:06:20,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:06:20,244 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:06:20,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:06:20,246 INFO L85 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2021-11-23 13:06:20,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:06:20,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963742512] [2021-11-23 13:06:20,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:06:20,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:06:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:06:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:06:20,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:06:20,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963742512] [2021-11-23 13:06:20,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963742512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:06:20,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:06:20,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:06:20,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996935427] [2021-11-23 13:06:20,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:06:20,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:06:20,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:06:20,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:06:20,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:06:20,424 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 13:06:20,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:06:20,461 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2021-11-23 13:06:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:06:20,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-23 13:06:20,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:06:20,464 INFO L225 Difference]: With dead ends: 239 [2021-11-23 13:06:20,465 INFO L226 Difference]: Without dead ends: 125 [2021-11-23 13:06:20,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:06:20,469 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:06:20,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:06:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-23 13:06:20,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-23 13:06:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.403225806451613) internal successors, (174), 124 states have internal predecessors, (174), 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) [2021-11-23 13:06:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2021-11-23 13:06:20,485 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2021-11-23 13:06:20,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:06:20,486 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2021-11-23 13:06:20,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 13:06:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2021-11-23 13:06:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 13:06:20,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:06:20,488 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] [2021-11-23 13:06:20,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:06:20,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:06:20,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:06:20,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2021-11-23 13:06:20,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:06:20,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175353600] [2021-11-23 13:06:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:06:20,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:06:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:06:20,793 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:06:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:06:21,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:06:21,003 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:06:21,005 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 13:06:21,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:06:21,013 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-23 13:06:21,017 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:06:21,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:06:21 BoogieIcfgContainer [2021-11-23 13:06:21,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:06:21,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:06:21,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:06:21,110 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:06:21,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:19" (3/4) ... [2021-11-23 13:06:21,116 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:06:21,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:06:21,118 INFO L158 Benchmark]: Toolchain (without parser) took 3567.87ms. Allocated memory is still 132.1MB. Free memory was 97.3MB in the beginning and 59.8MB in the end (delta: 37.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-23 13:06:21,121 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 132.1MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:06:21,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.70ms. Allocated memory is still 132.1MB. Free memory was 97.3MB in the beginning and 103.8MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:06:21,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.65ms. Allocated memory is still 132.1MB. Free memory was 103.4MB in the beginning and 99.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:06:21,137 INFO L158 Benchmark]: Boogie Preprocessor took 153.76ms. Allocated memory is still 132.1MB. Free memory was 99.6MB in the beginning and 96.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:06:21,137 INFO L158 Benchmark]: RCFGBuilder took 1150.26ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 66.9MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 13:06:21,138 INFO L158 Benchmark]: TraceAbstraction took 1590.66ms. Allocated memory is still 132.1MB. Free memory was 66.5MB in the beginning and 59.8MB in the end (delta: 6.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 13:06:21,141 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 132.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:06:21,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 132.1MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.70ms. Allocated memory is still 132.1MB. Free memory was 97.3MB in the beginning and 103.8MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.65ms. Allocated memory is still 132.1MB. Free memory was 103.4MB in the beginning and 99.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.76ms. Allocated memory is still 132.1MB. Free memory was 99.6MB in the beginning and 96.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.26ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 66.9MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1590.66ms. Allocated memory is still 132.1MB. Free memory was 66.5MB in the beginning and 59.8MB in the end (delta: 6.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 132.1MB. Free memory is still 59.8MB. 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: 300]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L294] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, lx=-2, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L294] RET, EXPR isinf_double(x) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=-5, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-4, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L294] RET, EXPR isfinite_double(y) [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isfinite_double(y)=-5, isinf_double(x)=1, isinf_double(x) && isfinite_double(y)=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L296] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-6, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-6, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-6, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L296] RET, EXPR __ieee754_atan2(y, x) [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, res == -0.0 && __signbit_double(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L299] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L300] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, 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, 524 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 355 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2021-11-23 13:06:21,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/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_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G --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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:06:24,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:06:24,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:06:24,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:06:24,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:06:24,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:06:24,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:06:24,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:06:24,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:06:24,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:06:24,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:06:24,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:06:24,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:06:24,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:06:24,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:06:24,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:06:24,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:06:24,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:06:24,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:06:24,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:06:24,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:06:24,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:06:24,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:06:24,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:06:24,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:06:24,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:06:24,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:06:24,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:06:24,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:06:24,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:06:24,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:06:24,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:06:24,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:06:24,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:06:24,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:06:24,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:06:24,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:06:24,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:06:24,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:06:24,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:06:24,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:06:24,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-23 13:06:24,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:06:24,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:06:24,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:06:24,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:06:24,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:06:24,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:06:24,756 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:06:24,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:06:24,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:06:24,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:06:24,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:06:24,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:06:24,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:06:24,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:06:24,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 13:06:24,761 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 13:06:24,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 13:06:24,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:06:24,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:06:24,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:06:24,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:06:24,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:06:24,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:06:24,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:06:24,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:06:24,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:06:24,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:06:24,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:06:24,765 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 13:06:24,766 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 13:06:24,766 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:06:24,766 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:06:24,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:06:24,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:06:24,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 13:06:24,768 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_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2021-11-23 13:06:25,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:06:25,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:06:25,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:06:25,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:06:25,319 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:06:25,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2021-11-23 13:06:25,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/3bc5f99e9/faa56f1f9b684f24aa7fd5d0ad7ab1f0/FLAGb63f5945d [2021-11-23 13:06:26,288 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:06:26,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2021-11-23 13:06:26,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/3bc5f99e9/faa56f1f9b684f24aa7fd5d0ad7ab1f0/FLAGb63f5945d [2021-11-23 13:06:26,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/data/3bc5f99e9/faa56f1f9b684f24aa7fd5d0ad7ab1f0 [2021-11-23 13:06:26,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:06:26,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:06:26,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:06:26,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:06:26,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:06:26,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:26" (1/1) ... [2021-11-23 13:06:26,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cc51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:26, skipping insertion in model container [2021-11-23 13:06:26,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:26" (1/1) ... [2021-11-23 13:06:26,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:06:26,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:06:26,946 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_a8dd1c9f-26eb-4dab-9832-492e9500b700/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2021-11-23 13:06:26,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:06:26,993 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:06:27,132 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_a8dd1c9f-26eb-4dab-9832-492e9500b700/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c[7147,7160] [2021-11-23 13:06:27,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:06:27,180 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:06:27,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27 WrapperNode [2021-11-23 13:06:27,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:06:27,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:06:27,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:06:27,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:06:27,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,289 INFO L137 Inliner]: procedures = 25, calls = 103, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 598 [2021-11-23 13:06:27,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:06:27,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:06:27,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:06:27,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:06:27,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:06:27,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:06:27,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:06:27,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:06:27,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (1/1) ... [2021-11-23 13:06:27,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:06:27,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:06:27,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:06:27,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 13:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 13:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 13:06:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:06:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-23 13:06:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 13:06:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:06:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:06:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 13:06:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:06:27,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:06:27,821 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:07:11,905 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:07:11,916 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:07:11,916 INFO L301 CfgBuilder]: Removed 34 assume(true) statements. [2021-11-23 13:07:11,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:11 BoogieIcfgContainer [2021-11-23 13:07:11,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:07:11,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:07:11,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:07:11,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:07:11,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:06:26" (1/3) ... [2021-11-23 13:07:11,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7fb35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:07:11, skipping insertion in model container [2021-11-23 13:07:11,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:27" (2/3) ... [2021-11-23 13:07:11,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7fb35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:07:11, skipping insertion in model container [2021-11-23 13:07:11,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:11" (3/3) ... [2021-11-23 13:07:11,943 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2021-11-23 13:07:11,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:07:11,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:07:12,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:07:12,044 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 [2021-11-23 13:07:12,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:07:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.6929133858267718) internal successors, (215), 128 states have internal predecessors, (215), 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) [2021-11-23 13:07:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 13:07:12,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:07:12,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:07:12,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:07:12,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:07:12,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2021-11-23 13:07:12,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:07:12,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83794080] [2021-11-23 13:07:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:07:12,124 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:07:12,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:07:12,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:07:12,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 13:07:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:07:12,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 13:07:12,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:07:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:07:13,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:07:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:07:13,617 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:07:13,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83794080] [2021-11-23 13:07:13,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83794080] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:07:13,619 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:07:13,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 13:07:13,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750952469] [2021-11-23 13:07:13,623 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:07:13,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:07:13,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:07:13,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:07:13,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:07:13,689 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.6929133858267718) internal successors, (215), 128 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:07:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:07:13,728 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2021-11-23 13:07:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:07:13,731 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-23 13:07:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:07:13,744 INFO L225 Difference]: With dead ends: 256 [2021-11-23 13:07:13,744 INFO L226 Difference]: Without dead ends: 125 [2021-11-23 13:07:13,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:07:13,753 INFO L933 BasicCegarLoop]: 180 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, 180 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 [2021-11-23 13:07:13,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:07:13,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-23 13:07:13,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-23 13:07:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 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) [2021-11-23 13:07:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2021-11-23 13:07:13,817 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2021-11-23 13:07:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:07:13,817 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2021-11-23 13:07:13,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:07:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2021-11-23 13:07:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 13:07:13,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:07:13,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:07:13,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 13:07:14,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:07:14,041 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:07:14,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:07:14,042 INFO L85 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2021-11-23 13:07:14,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:07:14,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842729189] [2021-11-23 13:07:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:07:14,044 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:07:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:07:14,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:07:14,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 13:07:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:07:14,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:07:14,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:07:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:07:14,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:07:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:07:15,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:07:15,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842729189] [2021-11-23 13:07:15,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842729189] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:07:15,384 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:07:15,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 13:07:15,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528527353] [2021-11-23 13:07:15,384 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:07:15,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:07:15,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:07:15,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:07:15,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:07:15,388 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 13:07:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:07:15,551 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2021-11-23 13:07:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:07:15,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-23 13:07:15,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:07:15,558 INFO L225 Difference]: With dead ends: 239 [2021-11-23 13:07:15,558 INFO L226 Difference]: Without dead ends: 125 [2021-11-23 13:07:15,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:07:15,561 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:07:15,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:07:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-23 13:07:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-23 13:07:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.403225806451613) internal successors, (174), 124 states have internal predecessors, (174), 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) [2021-11-23 13:07:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2021-11-23 13:07:15,580 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2021-11-23 13:07:15,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:07:15,580 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2021-11-23 13:07:15,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 13:07:15,581 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2021-11-23 13:07:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 13:07:15,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:07:15,592 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] [2021-11-23 13:07:15,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:07:15,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:07:15,793 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:07:15,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:07:15,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2021-11-23 13:07:15,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:07:15,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554915912] [2021-11-23 13:07:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:07:15,795 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:07:15,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:07:15,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:07:15,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 13:07:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:07:16,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 13:07:16,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:07:17,460 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 33 treesize of output 33 [2021-11-23 13:07:24,462 INFO L354 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2021-11-23 13:07:24,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 94 [2021-11-23 13:07:29,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 13:07:29,564 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 47 treesize of output 31 [2021-11-23 13:07:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:07:37,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:08:25,923 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 13:08:25,923 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 112 [2021-11-23 13:08:26,140 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 13:08:26,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 112 [2021-11-23 13:08:26,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-23 13:08:36,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:08:36,816 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:08:36,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554915912] [2021-11-23 13:08:36,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554915912] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:08:36,816 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:08:36,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2021-11-23 13:08:36,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040697820] [2021-11-23 13:08:36,817 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:08:36,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-23 13:08:36,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:08:36,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-23 13:08:36,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=389, Unknown=14, NotChecked=0, Total=462 [2021-11-23 13:08:36,819 INFO L87 Difference]: Start difference. First operand 125 states and 174 transitions. Second operand has 22 states, 22 states have (on average 1.8636363636363635) internal successors, (41), 22 states have internal predecessors, (41), 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) [2021-11-23 13:08:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:08:36,883 INFO L93 Difference]: Finished difference Result 134 states and 183 transitions. [2021-11-23 13:08:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 13:08:36,883 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.8636363636363635) internal successors, (41), 22 states have internal predecessors, (41), 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 23 [2021-11-23 13:08:36,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:08:36,884 INFO L225 Difference]: With dead ends: 134 [2021-11-23 13:08:36,884 INFO L226 Difference]: Without dead ends: 125 [2021-11-23 13:08:36,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=59, Invalid=389, Unknown=14, NotChecked=0, Total=462 [2021-11-23 13:08:36,886 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 2 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2504 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 242 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:08:36,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 2504 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 242 Unchecked, 0.0s Time] [2021-11-23 13:08:36,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-23 13:08:36,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-23 13:08:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.3951612903225807) internal successors, (173), 124 states have internal predecessors, (173), 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) [2021-11-23 13:08:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 173 transitions. [2021-11-23 13:08:36,895 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 173 transitions. Word has length 23 [2021-11-23 13:08:36,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:08:36,895 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 173 transitions. [2021-11-23 13:08:36,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.8636363636363635) internal successors, (41), 22 states have internal predecessors, (41), 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) [2021-11-23 13:08:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 173 transitions. [2021-11-23 13:08:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 13:08:36,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:08:36,909 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] [2021-11-23 13:08:36,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-23 13:08:37,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:08:37,126 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:08:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:08:37,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1956628360, now seen corresponding path program 1 times [2021-11-23 13:08:37,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:08:37,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570396527] [2021-11-23 13:08:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:08:37,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:08:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:08:37,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:08:37,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 13:08:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:08:37,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 13:08:37,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:08:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:08:41,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:08:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:08:46,211 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:08:46,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570396527] [2021-11-23 13:08:46,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570396527] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:08:46,212 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:08:46,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-23 13:08:46,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65442922] [2021-11-23 13:08:46,212 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:08:46,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 13:08:46,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:08:46,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 13:08:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=83, Unknown=1, NotChecked=0, Total=110 [2021-11-23 13:08:46,214 INFO L87 Difference]: Start difference. First operand 125 states and 173 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2021-11-23 13:08:51,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 13:08:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:08:52,081 INFO L93 Difference]: Finished difference Result 211 states and 293 transitions. [2021-11-23 13:08:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 13:08:52,082 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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 28 [2021-11-23 13:08:52,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:08:52,084 INFO L225 Difference]: With dead ends: 211 [2021-11-23 13:08:52,084 INFO L226 Difference]: Without dead ends: 134 [2021-11-23 13:08:52,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=33, Invalid=98, Unknown=1, NotChecked=0, Total=132 [2021-11-23 13:08:52,086 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 51 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 13:08:52,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 1178 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 1 Unknown, 61 Unchecked, 3.6s Time] [2021-11-23 13:08:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-23 13:08:52,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 125. [2021-11-23 13:08:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.3870967741935485) internal successors, (172), 124 states have internal predecessors, (172), 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) [2021-11-23 13:08:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 172 transitions. [2021-11-23 13:08:52,119 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 172 transitions. Word has length 28 [2021-11-23 13:08:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:08:52,120 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 172 transitions. [2021-11-23 13:08:52,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2021-11-23 13:08:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 172 transitions. [2021-11-23 13:08:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 13:08:52,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:08:52,122 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] [2021-11-23 13:08:52,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:08:52,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:08:52,345 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:08:52,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:08:52,346 INFO L85 PathProgramCache]: Analyzing trace with hash -181620998, now seen corresponding path program 1 times [2021-11-23 13:08:52,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:08:52,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907516307] [2021-11-23 13:08:52,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:08:52,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:08:52,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:08:52,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:08:52,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 13:08:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:08:52,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 13:08:52,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:08:53,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-23 13:08:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:08:56,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:08:58,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2021-11-23 13:08:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:08:59,337 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:08:59,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907516307] [2021-11-23 13:08:59,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907516307] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:08:59,338 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:08:59,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 13:08:59,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123775228] [2021-11-23 13:08:59,338 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:08:59,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:08:59,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:08:59,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:08:59,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2021-11-23 13:08:59,339 INFO L87 Difference]: Start difference. First operand 125 states and 172 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2021-11-23 13:09:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:09:00,994 INFO L93 Difference]: Finished difference Result 261 states and 357 transitions. [2021-11-23 13:09:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:09:00,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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 28 [2021-11-23 13:09:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:09:00,998 INFO L225 Difference]: With dead ends: 261 [2021-11-23 13:09:00,998 INFO L226 Difference]: Without dead ends: 183 [2021-11-23 13:09:00,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=22, Invalid=49, Unknown=1, NotChecked=0, Total=72 [2021-11-23 13:09:01,001 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 173 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:09:01,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 1115 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 19 Unchecked, 1.4s Time] [2021-11-23 13:09:01,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-23 13:09:01,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 119. [2021-11-23 13:09:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.3728813559322033) internal successors, (162), 118 states have internal predecessors, (162), 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) [2021-11-23 13:09:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 162 transitions. [2021-11-23 13:09:01,014 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 162 transitions. Word has length 28 [2021-11-23 13:09:01,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:09:01,014 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 162 transitions. [2021-11-23 13:09:01,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2021-11-23 13:09:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2021-11-23 13:09:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 13:09:01,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:09:01,017 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] [2021-11-23 13:09:01,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:09:01,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:09:01,238 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:09:01,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:09:01,238 INFO L85 PathProgramCache]: Analyzing trace with hash -631144006, now seen corresponding path program 1 times [2021-11-23 13:09:01,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:09:01,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366053521] [2021-11-23 13:09:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:09:01,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:09:01,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:09:01,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:09:01,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 13:09:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:09:01,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 13:09:01,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:09:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:09:04,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:09:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:09:08,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:09:08,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366053521] [2021-11-23 13:09:08,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366053521] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:09:08,383 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:09:08,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-23 13:09:08,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213683988] [2021-11-23 13:09:08,384 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:09:08,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 13:09:08,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:09:08,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 13:09:08,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:09:08,386 INFO L87 Difference]: Start difference. First operand 119 states and 162 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 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) [2021-11-23 13:09:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:09:08,396 INFO L93 Difference]: Finished difference Result 137 states and 180 transitions. [2021-11-23 13:09:08,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:09:08,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 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 28 [2021-11-23 13:09:08,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:09:08,398 INFO L225 Difference]: With dead ends: 137 [2021-11-23 13:09:08,398 INFO L226 Difference]: Without dead ends: 126 [2021-11-23 13:09:08,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:09:08,400 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 94 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:09:08,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 1052 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 14 Unchecked, 0.0s Time] [2021-11-23 13:09:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-23 13:09:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 117. [2021-11-23 13:09:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.3620689655172413) internal successors, (158), 116 states have internal predecessors, (158), 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) [2021-11-23 13:09:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 158 transitions. [2021-11-23 13:09:08,410 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 158 transitions. Word has length 28 [2021-11-23 13:09:08,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:09:08,411 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 158 transitions. [2021-11-23 13:09:08,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 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) [2021-11-23 13:09:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 158 transitions. [2021-11-23 13:09:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 13:09:08,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:09:08,413 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] [2021-11-23 13:09:08,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:09:08,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:09:08,631 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:09:08,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:09:08,631 INFO L85 PathProgramCache]: Analyzing trace with hash -199286757, now seen corresponding path program 1 times [2021-11-23 13:09:08,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:09:08,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828168278] [2021-11-23 13:09:08,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:09:08,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:09:08,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:09:08,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:09:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 13:09:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:09:09,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 13:09:09,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:09:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:09:23,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:09:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:09:36,133 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:09:36,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828168278] [2021-11-23 13:09:36,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828168278] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:09:36,134 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:09:36,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-23 13:09:36,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15577784] [2021-11-23 13:09:36,134 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:09:36,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-23 13:09:36,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:09:36,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-23 13:09:36,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=201, Unknown=3, NotChecked=0, Total=240 [2021-11-23 13:09:36,136 INFO L87 Difference]: Start difference. First operand 117 states and 158 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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) [2021-11-23 13:09:40,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:09:40,487 INFO L93 Difference]: Finished difference Result 184 states and 245 transitions. [2021-11-23 13:09:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:09:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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 29 [2021-11-23 13:09:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:09:40,509 INFO L225 Difference]: With dead ends: 184 [2021-11-23 13:09:40,509 INFO L226 Difference]: Without dead ends: 122 [2021-11-23 13:09:40,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 23.2s TimeCoverageRelationStatistics Valid=42, Invalid=227, Unknown=3, NotChecked=0, Total=272 [2021-11-23 13:09:40,511 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 98 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 13:09:40,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 1527 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 29 Unchecked, 1.9s Time] [2021-11-23 13:09:40,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-23 13:09:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2021-11-23 13:09:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 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) [2021-11-23 13:09:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 148 transitions. [2021-11-23 13:09:40,521 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 148 transitions. Word has length 29 [2021-11-23 13:09:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:09:40,522 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 148 transitions. [2021-11-23 13:09:40,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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) [2021-11-23 13:09:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2021-11-23 13:09:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 13:09:40,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:09:40,524 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] [2021-11-23 13:09:40,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 13:09:40,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:09:40,741 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:09:40,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:09:40,741 INFO L85 PathProgramCache]: Analyzing trace with hash 509977371, now seen corresponding path program 1 times [2021-11-23 13:09:40,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:09:40,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480635581] [2021-11-23 13:09:40,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:09:40,742 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:09:40,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:09:40,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:09:40,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 13:09:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:09:41,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 13:09:41,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:09:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:09:46,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:09:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:09:53,868 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:09:53,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480635581] [2021-11-23 13:09:53,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480635581] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:09:53,868 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:09:53,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 12 [2021-11-23 13:09:53,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291820744] [2021-11-23 13:09:53,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:09:53,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 13:09:53,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:09:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 13:09:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=100, Unknown=1, NotChecked=0, Total=132 [2021-11-23 13:09:53,870 INFO L87 Difference]: Start difference. First operand 112 states and 148 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 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) [2021-11-23 13:09:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:09:57,133 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2021-11-23 13:09:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 13:09:57,134 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 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 29 [2021-11-23 13:09:57,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:09:57,135 INFO L225 Difference]: With dead ends: 131 [2021-11-23 13:09:57,135 INFO L226 Difference]: Without dead ends: 122 [2021-11-23 13:09:57,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=39, Invalid=116, Unknown=1, NotChecked=0, Total=156 [2021-11-23 13:09:57,137 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 101 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:09:57,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 988 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 35 Unchecked, 1.0s Time] [2021-11-23 13:09:57,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-23 13:09:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2021-11-23 13:09:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3243243243243243) internal successors, (147), 111 states have internal predecessors, (147), 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) [2021-11-23 13:09:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 147 transitions. [2021-11-23 13:09:57,145 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 147 transitions. Word has length 29 [2021-11-23 13:09:57,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:09:57,146 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 147 transitions. [2021-11-23 13:09:57,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 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) [2021-11-23 13:09:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2021-11-23 13:09:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 13:09:57,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:09:57,148 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] [2021-11-23 13:09:57,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-23 13:09:57,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:09:57,357 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:09:57,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:09:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash -328772057, now seen corresponding path program 1 times [2021-11-23 13:09:57,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:09:57,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381358141] [2021-11-23 13:09:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:09:57,358 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:09:57,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:09:57,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:09:57,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 13:09:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:09:57,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 13:09:57,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:10:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:00,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:10:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:04,901 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:10:04,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381358141] [2021-11-23 13:10:04,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381358141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:10:04,901 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:10:04,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-23 13:10:04,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629126569] [2021-11-23 13:10:04,902 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:10:04,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 13:10:04,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:10:04,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 13:10:04,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:10:04,903 INFO L87 Difference]: Start difference. First operand 112 states and 147 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2021-11-23 13:10:07,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 13:10:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:10:07,931 INFO L93 Difference]: Finished difference Result 169 states and 223 transitions. [2021-11-23 13:10:08,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:10:08,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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 30 [2021-11-23 13:10:08,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:10:08,113 INFO L225 Difference]: With dead ends: 169 [2021-11-23 13:10:08,113 INFO L226 Difference]: Without dead ends: 112 [2021-11-23 13:10:08,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:10:08,115 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 124 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 13:10:08,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 552 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 12 Unchecked, 2.8s Time] [2021-11-23 13:10:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-23 13:10:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-11-23 13:10:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 111 states have internal predecessors, (146), 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) [2021-11-23 13:10:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 146 transitions. [2021-11-23 13:10:08,121 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 146 transitions. Word has length 30 [2021-11-23 13:10:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:10:08,122 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 146 transitions. [2021-11-23 13:10:08,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2021-11-23 13:10:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 146 transitions. [2021-11-23 13:10:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 13:10:08,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:10:08,123 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] [2021-11-23 13:10:08,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 13:10:08,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:10:08,330 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:10:08,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:10:08,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1527244899, now seen corresponding path program 1 times [2021-11-23 13:10:08,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:10:08,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813752620] [2021-11-23 13:10:08,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:10:08,331 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:10:08,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:10:08,334 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:10:08,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 13:10:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:10:08,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 13:10:08,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:10:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:10,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:10:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:11,851 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:10:11,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813752620] [2021-11-23 13:10:11,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813752620] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:10:11,851 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:10:11,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 13:10:11,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798958097] [2021-11-23 13:10:11,852 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:10:11,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:10:11,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:10:11,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:10:11,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:10:11,853 INFO L87 Difference]: Start difference. First operand 112 states and 146 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-11-23 13:10:14,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 13:10:16,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 13:10:16,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:10:16,283 INFO L93 Difference]: Finished difference Result 124 states and 157 transitions. [2021-11-23 13:10:16,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:10:16,284 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 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 30 [2021-11-23 13:10:16,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:10:16,285 INFO L225 Difference]: With dead ends: 124 [2021-11-23 13:10:16,285 INFO L226 Difference]: Without dead ends: 121 [2021-11-23 13:10:16,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:10:16,287 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 277 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 13:10:16,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 417 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 13:10:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-23 13:10:16,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2021-11-23 13:10:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 113 states have internal predecessors, (148), 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) [2021-11-23 13:10:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2021-11-23 13:10:16,297 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 30 [2021-11-23 13:10:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:10:16,297 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2021-11-23 13:10:16,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-11-23 13:10:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2021-11-23 13:10:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 13:10:16,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:10:16,299 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] [2021-11-23 13:10:16,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 13:10:16,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:10:16,513 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:10:16,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:10:16,513 INFO L85 PathProgramCache]: Analyzing trace with hash -252008224, now seen corresponding path program 1 times [2021-11-23 13:10:16,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:10:16,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777442431] [2021-11-23 13:10:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:10:16,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:10:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:10:16,514 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:10:16,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-23 13:10:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:10:16,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 13:10:16,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:10:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:21,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:10:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:27,843 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:10:27,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777442431] [2021-11-23 13:10:27,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777442431] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:10:27,844 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:10:27,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-23 13:10:27,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189016815] [2021-11-23 13:10:27,844 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:10:27,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 13:10:27,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:10:27,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 13:10:27,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 13:10:27,846 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 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) [2021-11-23 13:10:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:10:28,049 INFO L93 Difference]: Finished difference Result 130 states and 163 transitions. [2021-11-23 13:10:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 13:10:28,057 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 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 31 [2021-11-23 13:10:28,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:10:28,058 INFO L225 Difference]: With dead ends: 130 [2021-11-23 13:10:28,058 INFO L226 Difference]: Without dead ends: 70 [2021-11-23 13:10:28,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 13:10:28,060 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 19 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:10:28,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 568 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 20 Unchecked, 0.1s Time] [2021-11-23 13:10:28,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-23 13:10:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2021-11-23 13:10:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 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) [2021-11-23 13:10:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2021-11-23 13:10:28,068 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 31 [2021-11-23 13:10:28,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:10:28,068 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2021-11-23 13:10:28,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 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) [2021-11-23 13:10:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2021-11-23 13:10:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 13:10:28,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:10:28,070 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] [2021-11-23 13:10:28,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-23 13:10:28,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:10:28,295 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:10:28,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:10:28,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1598971039, now seen corresponding path program 1 times [2021-11-23 13:10:28,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:10:28,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128575845] [2021-11-23 13:10:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:10:28,296 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:10:28,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:10:28,297 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:10:28,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 13:10:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:10:28,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 13:10:28,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:10:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:31,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:10:33,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:33,760 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:10:33,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128575845] [2021-11-23 13:10:33,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128575845] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:10:33,761 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:10:33,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 13:10:33,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524339497] [2021-11-23 13:10:33,761 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:10:33,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:10:33,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:10:33,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:10:33,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:10:33,763 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-11-23 13:10:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:10:33,765 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2021-11-23 13:10:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:10:33,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 32 [2021-11-23 13:10:33,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:10:33,766 INFO L225 Difference]: With dead ends: 70 [2021-11-23 13:10:33,766 INFO L226 Difference]: Without dead ends: 35 [2021-11-23 13:10:33,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:10:33,767 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:10:33,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-23 13:10:33,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-23 13:10:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-23 13:10:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.0) internal successors, (34), 34 states have internal predecessors, (34), 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) [2021-11-23 13:10:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2021-11-23 13:10:33,771 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 32 [2021-11-23 13:10:33,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:10:33,771 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2021-11-23 13:10:33,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-11-23 13:10:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2021-11-23 13:10:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 13:10:33,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:10:33,772 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, 1] [2021-11-23 13:10:33,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-23 13:10:33,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:10:33,973 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:10:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:10:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 362494066, now seen corresponding path program 1 times [2021-11-23 13:10:33,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:10:33,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732986200] [2021-11-23 13:10:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:10:33,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:10:33,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:10:33,975 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:10:33,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 13:10:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:10:34,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 13:10:34,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:10:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:37,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:10:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:10:43,237 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:10:43,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732986200] [2021-11-23 13:10:43,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732986200] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:10:43,237 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:10:43,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-23 13:10:43,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141802985] [2021-11-23 13:10:43,238 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:10:43,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 13:10:43,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:10:43,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 13:10:43,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-11-23 13:10:43,239 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 13 states have internal predecessors, (65), 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) [2021-11-23 13:10:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:10:45,514 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2021-11-23 13:10:45,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:10:45,514 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 13 states have internal predecessors, (65), 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 34 [2021-11-23 13:10:45,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:10:45,515 INFO L225 Difference]: With dead ends: 35 [2021-11-23 13:10:45,515 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:10:45,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2021-11-23 13:10:45,517 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 13:10:45,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 223 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 10 Unchecked, 0.5s Time] [2021-11-23 13:10:45,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:10:45,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:10:45,518 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) [2021-11-23 13:10:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:10:45,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-11-23 13:10:45,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:10:45,519 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:10:45,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 13 states have internal predecessors, (65), 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) [2021-11-23 13:10:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:10:45,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:10:45,523 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 13:10:45,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-23 13:10:45,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:10:45,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:10:50,273 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-11-23 13:10:50,273 INFO L858 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-11-23 13:10:50,273 INFO L854 garLoopResultBuilder]: At program point L268(lines 261 269) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_37| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_37|)) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_37|)) (= |ULTIMATE.start_isfinite_double_#res#1| (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse1) (_ bv2148532224 32)) (_ bv31 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_37|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_37|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_37|)) |ULTIMATE.start_main_~y~0#1|))))) (= (_ +zero 11 53) ~zero_atan2~0) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-11-23 13:10:50,273 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L854 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L854 garLoopResultBuilder]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-11-23 13:10:50,274 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L861 garLoopResultBuilder]: At program point L305(lines 283 306) the Hoare annotation is: true [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2021-11-23 13:10:50,275 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-23 13:10:50,276 INFO L858 garLoopResultBuilder]: For program point L274-1(lines 274 278) no Hoare annotation was computed. [2021-11-23 13:10:50,276 INFO L854 garLoopResultBuilder]: At program point L274-2(lines 274 278) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_#res#1| .cse0) (= (_ +zero 11 53) ~zero_atan2~0) |ULTIMATE.start_main_#t~short52#1| (= .cse0 |ULTIMATE.start___signbit_double_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= (_ bv2146435072 32) |ULTIMATE.start___ieee754_atan2_~ix~1#1|))) [2021-11-23 13:10:50,276 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-23 13:10:50,276 INFO L858 garLoopResultBuilder]: For program point L274-3(lines 274 278) no Hoare annotation was computed. [2021-11-23 13:10:50,277 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-11-23 13:10:50,277 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2021-11-23 13:10:50,277 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-23 13:10:50,277 INFO L854 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and |ULTIMATE.start___ieee754_atan2_#t~switch35#1| (= |ULTIMATE.start___ieee754_atan2_#res#1| (fp.neg (_ +zero 11 53))) (= (_ +zero 11 53) ~zero_atan2~0) (= (_ bv2146435072 32) |ULTIMATE.start___ieee754_atan2_~ix~1#1|)) [2021-11-23 13:10:50,277 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-11-23 13:10:50,278 INFO L854 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-11-23 13:10:50,278 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-11-23 13:10:50,278 INFO L858 garLoopResultBuilder]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-11-23 13:10:50,278 INFO L854 garLoopResultBuilder]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-11-23 13:10:50,278 INFO L858 garLoopResultBuilder]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2021-11-23 13:10:50,279 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-23 13:10:50,279 INFO L858 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-11-23 13:10:50,279 INFO L854 garLoopResultBuilder]: At program point L280(lines 271 281) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_atan2~0) |ULTIMATE.start_main_#t~short52#1| (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|) (= (_ bv2146435072 32) |ULTIMATE.start___ieee754_atan2_~ix~1#1|)) [2021-11-23 13:10:50,279 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-11-23 13:10:50,279 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-11-23 13:10:50,280 INFO L854 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (fp.lt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (= (_ +zero 11 53) ~zero_atan2~0) (exists ((|v_skolemized_q#valueAsBitvector_37| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_37|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_37|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_37|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_37|)) |ULTIMATE.start___ieee754_atan2_~y#1|) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_37|)) (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse1) (_ bv2148532224 32)) (_ bv31 32)))))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_atan2_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-11-23 13:10:50,280 INFO L858 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-11-23 13:10:50,280 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 249 254) no Hoare annotation was computed. [2021-11-23 13:10:50,280 INFO L854 garLoopResultBuilder]: At program point L249-2(lines 249 254) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_atan2~0) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-11-23 13:10:50,281 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-23 13:10:50,281 INFO L858 garLoopResultBuilder]: For program point L249-3(lines 249 254) no Hoare annotation was computed. [2021-11-23 13:10:50,281 INFO L858 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-11-23 13:10:50,281 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-11-23 13:10:50,281 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-11-23 13:10:50,282 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-11-23 13:10:50,282 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2021-11-23 13:10:50,282 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:10:50,282 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-11-23 13:10:50,282 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-11-23 13:10:50,282 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-11-23 13:10:50,283 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-23 13:10:50,283 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-11-23 13:10:50,283 INFO L858 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-11-23 13:10:50,283 INFO L854 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-11-23 13:10:50,283 INFO L858 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-11-23 13:10:50,284 INFO L854 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-11-23 13:10:50,284 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-11-23 13:10:50,284 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-11-23 13:10:50,284 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-23 13:10:50,284 INFO L858 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-11-23 13:10:50,285 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-11-23 13:10:50,285 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (fp.lt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (= (_ +zero 11 53) ~zero_atan2~0) (exists ((|v_skolemized_q#valueAsBitvector_38| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8|))) (let ((.cse0 (select .cse2 (_ bv4 32))) (.cse1 (select .cse2 (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2_~ix~1#1|) (= |ULTIMATE.start___ieee754_atan2_~lx~0#1| .cse1) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_38|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_38|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_38|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_38|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_38|) .cse1))))) (exists ((|v_skolemized_q#valueAsBitvector_43| (_ BitVec 64))) (and (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_43|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |ULTIMATE.start___ieee754_atan2_~y#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_43|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_43|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_43|))))) (exists ((|v_skolemized_q#valueAsBitvector_47| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_47|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_47|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_47|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_47|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2021-11-23 13:10:50,285 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-11-23 13:10:50,285 INFO L858 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-11-23 13:10:50,286 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2021-11-23 13:10:50,286 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:10:50,286 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-23 13:10:50,286 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-11-23 13:10:50,286 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-11-23 13:10:50,287 INFO L858 garLoopResultBuilder]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2021-11-23 13:10:50,287 INFO L858 garLoopResultBuilder]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2021-11-23 13:10:50,287 INFO L858 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-11-23 13:10:50,287 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-23 13:10:50,287 INFO L858 garLoopResultBuilder]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2021-11-23 13:10:50,288 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-11-23 13:10:50,288 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-11-23 13:10:50,288 INFO L858 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-11-23 13:10:50,288 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-11-23 13:10:50,288 INFO L858 garLoopResultBuilder]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2021-11-23 13:10:50,289 INFO L858 garLoopResultBuilder]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2021-11-23 13:10:50,289 INFO L858 garLoopResultBuilder]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2021-11-23 13:10:50,289 INFO L858 garLoopResultBuilder]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2021-11-23 13:10:50,289 INFO L858 garLoopResultBuilder]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2021-11-23 13:10:50,290 INFO L854 garLoopResultBuilder]: At program point L258(lines 247 259) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_atan2~0) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-11-23 13:10:50,290 INFO L858 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-11-23 13:10:50,290 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-11-23 13:10:50,290 INFO L854 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-11-23 13:10:50,290 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:10:50,290 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-23 13:10:50,291 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-11-23 13:10:50,291 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2021-11-23 13:10:50,291 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-23 13:10:50,291 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 303) no Hoare annotation was computed. [2021-11-23 13:10:50,291 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 303) no Hoare annotation was computed. [2021-11-23 13:10:50,292 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-11-23 13:10:50,292 INFO L858 garLoopResultBuilder]: For program point L263-1(lines 263 267) no Hoare annotation was computed. [2021-11-23 13:10:50,292 INFO L854 garLoopResultBuilder]: At program point L263-2(lines 263 267) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_atan2~0) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~y~0#1|)) [2021-11-23 13:10:50,292 INFO L858 garLoopResultBuilder]: For program point L263-3(lines 263 267) no Hoare annotation was computed. [2021-11-23 13:10:50,292 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-11-23 13:10:50,292 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2021-11-23 13:10:50,293 INFO L854 garLoopResultBuilder]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-11-23 13:10:50,293 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:10:50,293 INFO L854 garLoopResultBuilder]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2021-11-23 13:10:50,293 INFO L854 garLoopResultBuilder]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2021-11-23 13:10:50,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2021-11-23 13:10:50,294 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-11-23 13:10:50,294 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-11-23 13:10:50,294 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-11-23 13:10:50,294 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-11-23 13:10:50,294 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-11-23 13:10:50,294 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-11-23 13:10:50,295 INFO L858 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-11-23 13:10:50,295 INFO L854 garLoopResultBuilder]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2021-11-23 13:10:50,295 INFO L858 garLoopResultBuilder]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2021-11-23 13:10:50,295 INFO L858 garLoopResultBuilder]: For program point L132-4(line 132) no Hoare annotation was computed. [2021-11-23 13:10:50,295 INFO L858 garLoopResultBuilder]: For program point L132-6(line 132) no Hoare annotation was computed. [2021-11-23 13:10:50,296 INFO L854 garLoopResultBuilder]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2021-11-23 13:10:50,296 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-23 13:10:50,296 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-11-23 13:10:50,296 INFO L858 garLoopResultBuilder]: For program point L299(line 299) no Hoare annotation was computed. [2021-11-23 13:10:50,296 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 299 302) no Hoare annotation was computed. [2021-11-23 13:10:50,300 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:10:50,302 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:10:50,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:10:50 BoogieIcfgContainer [2021-11-23 13:10:50,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:10:50,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:10:50,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:10:50,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:10:50,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:11" (3/4) ... [2021-11-23 13:10:50,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:10:50,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-11-23 13:10:50,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-23 13:10:50,381 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:10:50,382 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:10:50,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == zero_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-23 13:10:50,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == zero_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-23 13:10:50,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~Pluszero~LONGDOUBLE() == zero_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && x == y [2021-11-23 13:10:50,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_skolemized_q#valueAsBitvector_37 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_37[31:0] && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_37[63:32]) && \result == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32)) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_37[63:63], v_skolemized_q#valueAsBitvector_37[62:52], v_skolemized_q#valueAsBitvector_37[51:0]) == y) && ~Pluszero~LONGDOUBLE() == zero_atan2) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-23 13:10:50,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_atan2) && (\exists v_skolemized_q#valueAsBitvector_37 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_37[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_37[63:63], v_skolemized_q#valueAsBitvector_37[62:52], v_skolemized_q#valueAsBitvector_37[51:0]) == y) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_37[63:32]) && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32)))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-23 13:10:50,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_atan2) && (\exists v_skolemized_q#valueAsBitvector_38 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8 : bv32, currentRoundingMode : FloatRoundingMode :: (((~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32]) == ix && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32] == v_skolemized_q#valueAsBitvector_38[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_38[63:63], v_skolemized_q#valueAsBitvector_38[62:52], v_skolemized_q#valueAsBitvector_38[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_38[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32])) && (\exists v_skolemized_q#valueAsBitvector_43 : bv64 :: !(~bvlshr32(~bvadd64(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_43[63:32]), 2148532224bv32), 31bv32) == 0bv32) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_43[63:63], v_skolemized_q#valueAsBitvector_43[62:52], v_skolemized_q#valueAsBitvector_43[51:0]))) && (\exists v_skolemized_q#valueAsBitvector_47 : bv64, currentRoundingMode : FloatRoundingMode :: hx == v_skolemized_q#valueAsBitvector_47[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_47[63:63], v_skolemized_q#valueAsBitvector_47[62:52], v_skolemized_q#valueAsBitvector_47[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-23 13:10:50,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == zero_atan2) && 2146435072bv32 == ix [2021-11-23 13:10:50,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_atan2) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 2146435072bv32 == ix [2021-11-23 13:10:50,413 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == zero_atan2 && aux-res == -0.0 && __signbit_double(res) == 1-aux) && 1bv32 == \result) && 2146435072bv32 == ix [2021-11-23 13:10:50,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:10:50,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:10:50,463 INFO L158 Benchmark]: Toolchain (without parser) took 263901.65ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.1MB in the beginning and 42.0MB in the end (delta: -11.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,464 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:10:50,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.85ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.8MB in the beginning and 44.9MB in the end (delta: -15.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.87ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 40.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,465 INFO L158 Benchmark]: Boogie Preprocessor took 164.11ms. Allocated memory is still 67.1MB. Free memory was 40.9MB in the beginning and 37.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,465 INFO L158 Benchmark]: RCFGBuilder took 44478.74ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 45.1MB in the end (delta: -8.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,466 INFO L158 Benchmark]: TraceAbstraction took 218417.26ms. Allocated memory is still 67.1MB. Free memory was 44.5MB in the beginning and 27.4MB in the end (delta: 17.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,466 INFO L158 Benchmark]: Witness Printer took 108.34ms. Allocated memory is still 67.1MB. Free memory was 27.4MB in the beginning and 42.0MB in the end (delta: -14.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-23 13:10:50,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.85ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.8MB in the beginning and 44.9MB in the end (delta: -15.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.87ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 40.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.11ms. Allocated memory is still 67.1MB. Free memory was 40.9MB in the beginning and 37.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 44478.74ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 45.1MB in the end (delta: -8.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 218417.26ms. Allocated memory is still 67.1MB. Free memory was 44.5MB in the beginning and 27.4MB in the end (delta: 17.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 108.34ms. Allocated memory is still 67.1MB. Free memory was 27.4MB in the beginning and 42.0MB in the end (delta: -14.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 300]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 218.3s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 960 SdHoareTripleChecker+Valid, 15.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 960 mSDsluCounter, 10773 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 446 IncrementalHoareTripleChecker+Unchecked, 8981 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 1792 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 575 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 121.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 86, 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, 13 MinimizatonAttempts, 116 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 33 NumberOfFragments, 306 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 188 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 179.7s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 688 ConstructedInterpolants, 277 QuantifiedInterpolants, 7659 SizeOfPredicates, 118 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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: 149]: Loop Invariant [2021-11-23 13:10:50,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_atan2) && (\exists v_skolemized_q#valueAsBitvector_37 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_37[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_37[63:63], v_skolemized_q#valueAsBitvector_37[62:52], v_skolemized_q#valueAsBitvector_37[51:0]) == y) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_37[63:32]) && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32)))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2021-11-23 13:10:50,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_38,QUANTIFIED] [2021-11-23 13:10:50,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-23 13:10:50,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_43,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_47,QUANTIFIED] [2021-11-23 13:10:50,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_atan2) && (\exists v_skolemized_q#valueAsBitvector_38 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8 : bv32, currentRoundingMode : FloatRoundingMode :: (((~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32]) == ix && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32] == v_skolemized_q#valueAsBitvector_38[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_38[63:63], v_skolemized_q#valueAsBitvector_38[62:52], v_skolemized_q#valueAsBitvector_38[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_38[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32])) && (\exists v_skolemized_q#valueAsBitvector_43 : bv64 :: !(~bvlshr32(~bvadd64(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_43[63:32]), 2148532224bv32), 31bv32) == 0bv32) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_43[63:63], v_skolemized_q#valueAsBitvector_43[62:52], v_skolemized_q#valueAsBitvector_43[51:0]))) && (\exists v_skolemized_q#valueAsBitvector_47 : bv64, currentRoundingMode : FloatRoundingMode :: hx == v_skolemized_q#valueAsBitvector_47[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_47[63:63], v_skolemized_q#valueAsBitvector_47[62:52], v_skolemized_q#valueAsBitvector_47[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant [2021-11-23 13:10:50,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-23 13:10:50,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-23 13:10:50,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((\exists v_skolemized_q#valueAsBitvector_37 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_37[31:0] && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_37[63:32]) && \result == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32)) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_37[63:63], v_skolemized_q#valueAsBitvector_37[62:52], v_skolemized_q#valueAsBitvector_37[51:0]) == y) && ~Pluszero~LONGDOUBLE() == zero_atan2) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == zero_atan2) && 2146435072bv32 == ix - InvariantResult [Line: 249]: Loop Invariant [2021-11-23 13:10:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ~Pluszero~LONGDOUBLE() == zero_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_atan2) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 2146435072bv32 == ix - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((~Pluszero~LONGDOUBLE() == zero_atan2 && aux-res == -0.0 && __signbit_double(res) == 1-aux) && 1bv32 == \result) && 2146435072bv32 == ix - InvariantResult [Line: 263]: Loop Invariant [2021-11-23 13:10:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && x == y - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2021-11-23 13:10:50,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,511 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,511 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 13:10:50,511 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ~Pluszero~LONGDOUBLE() == zero_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 13:10:50,728 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 13:10:50,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8dd1c9f-26eb-4dab-9832-492e9500b700/bin/uautomizer-wIGwrQj20G/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