./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc --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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:00:47,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:00:47,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:00:47,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:00:47,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:00:47,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:00:47,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:00:47,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:00:47,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:00:47,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:00:47,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:00:47,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:00:47,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:00:47,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:00:47,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:00:47,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:00:47,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:00:47,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:00:47,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:00:47,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:00:47,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:00:47,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:00:47,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:00:47,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:00:47,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:00:47,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:00:47,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:00:47,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:00:47,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:00:47,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:00:47,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:00:47,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:00:47,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:00:47,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:00:47,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:00:47,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:00:47,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:00:47,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:00:47,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:00:47,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:00:47,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:00:47,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 21:00:47,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:00:47,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:00:47,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:00:47,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:00:47,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:00:47,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:00:47,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:00:47,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:00:47,802 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:00:47,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:00:47,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:00:47,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:00:47,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:00:47,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:00:47,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:00:47,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:00:47,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:00:47,805 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:00:47,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:00:47,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:00:47,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:00:47,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:00:47,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:00:47,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:00:47,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:00:47,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:00:47,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:00:47,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:00:47,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:00:47,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:00:47,808 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:00:47,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:00:47,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:00:47,809 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_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 [2022-11-02 21:00:48,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:00:48,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:00:48,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:00:48,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:00:48,213 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:00:48,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2022-11-02 21:00:48,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/9830c0224/016683fa39814ef882696bef00bbf066/FLAGc098e46ce [2022-11-02 21:00:48,952 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:00:48,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2022-11-02 21:00:48,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/9830c0224/016683fa39814ef882696bef00bbf066/FLAGc098e46ce [2022-11-02 21:00:49,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/9830c0224/016683fa39814ef882696bef00bbf066 [2022-11-02 21:00:49,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:00:49,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:00:49,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:00:49,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:00:49,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:00:49,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f051d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49, skipping insertion in model container [2022-11-02 21:00:49,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:00:49,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:00:49,589 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_c60b1da7-f2c6-4672-9909-7dc5e80806cd/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2022-11-02 21:00:49,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:00:49,604 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:00:49,658 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_c60b1da7-f2c6-4672-9909-7dc5e80806cd/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2022-11-02 21:00:49,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:00:49,680 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:00:49,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49 WrapperNode [2022-11-02 21:00:49,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:00:49,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:00:49,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:00:49,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:00:49,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,770 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2022-11-02 21:00:49,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:00:49,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:00:49,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:00:49,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:00:49,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:00:49,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:00:49,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:00:49,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:00:49,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (1/1) ... [2022-11-02 21:00:49,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:00:49,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:00:49,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:00:49,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:00:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:00:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:00:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:00:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-02 21:00:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:00:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-02 21:00:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-02 21:00:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-02 21:00:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:00:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:00:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:00:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-02 21:00:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-02 21:00:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-02 21:00:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:00:50,133 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:00:50,149 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:00:50,685 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:00:50,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:00:50,694 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-02 21:00:50,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:50 BoogieIcfgContainer [2022-11-02 21:00:50,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:00:50,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:00:50,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:00:50,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:00:50,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:00:49" (1/3) ... [2022-11-02 21:00:50,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4444d391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:00:50, skipping insertion in model container [2022-11-02 21:00:50,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:49" (2/3) ... [2022-11-02 21:00:50,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4444d391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:00:50, skipping insertion in model container [2022-11-02 21:00:50,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:50" (3/3) ... [2022-11-02 21:00:50,723 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2022-11-02 21:00:50,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:00:50,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:00:50,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:00:50,852 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10a66b8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:00:50,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:00:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:00:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 21:00:50,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:50,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:50,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:00:50,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1457381495, now seen corresponding path program 1 times [2022-11-02 21:00:50,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:50,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980031778] [2022-11-02 21:00:50,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:50,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:51,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:51,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980031778] [2022-11-02 21:00:51,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980031778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:51,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:51,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:00:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958632981] [2022-11-02 21:00:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:51,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:00:51,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:51,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:00:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:00:51,312 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:51,356 INFO L93 Difference]: Finished difference Result 181 states and 294 transitions. [2022-11-02 21:00:51,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:00:51,359 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-02 21:00:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:51,372 INFO L225 Difference]: With dead ends: 181 [2022-11-02 21:00:51,373 INFO L226 Difference]: Without dead ends: 88 [2022-11-02 21:00:51,377 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:00:51,383 INFO L413 NwaCegarLoop]: 132 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, 132 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 [2022-11-02 21:00:51,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:00:51,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-02 21:00:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-02 21:00:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 81 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:00:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2022-11-02 21:00:51,493 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 11 [2022-11-02 21:00:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:51,494 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2022-11-02 21:00:51,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-11-02 21:00:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 21:00:51,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:51,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:51,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:00:51,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:00:51,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash 413175488, now seen corresponding path program 1 times [2022-11-02 21:00:51,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:51,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441996020] [2022-11-02 21:00:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:51,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:00:51,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:00:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:00:51,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:00:51,818 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:00:51,820 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:00:51,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:00:51,827 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-02 21:00:51,832 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:00:51,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:00:51 BoogieIcfgContainer [2022-11-02 21:00:51,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:00:51,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:00:51,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:00:51,907 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:00:51,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:50" (3/4) ... [2022-11-02 21:00:51,912 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:00:51,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:00:51,914 INFO L158 Benchmark]: Toolchain (without parser) took 2646.89ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 62.9MB in the beginning and 73.5MB in the end (delta: -10.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-02 21:00:51,915 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:00:51,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.51ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 74.5MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:00:51,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.10ms. Allocated memory is still 102.8MB. Free memory was 74.5MB in the beginning and 72.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:00:51,924 INFO L158 Benchmark]: Boogie Preprocessor took 61.72ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 69.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:00:51,925 INFO L158 Benchmark]: RCFGBuilder took 864.09ms. Allocated memory is still 102.8MB. Free memory was 69.4MB in the beginning and 45.6MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-02 21:00:51,926 INFO L158 Benchmark]: TraceAbstraction took 1205.12ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 74.4MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:00:51,927 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 123.7MB. Free memory was 74.4MB in the beginning and 73.5MB in the end (delta: 849.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:00:51,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.51ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 74.5MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.10ms. Allocated memory is still 102.8MB. Free memory was 74.5MB in the beginning and 72.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.72ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 69.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 864.09ms. Allocated memory is still 102.8MB. Free memory was 69.4MB in the beginning and 45.6MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1205.12ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 74.4MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 123.7MB. Free memory was 74.4MB in the beginning and 73.5MB in the end (delta: 849.2kB). 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: 233]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 232, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = __VERIFIER_nondet_float(); [L219] float y = 0.0f; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=0, zero_atan2=0] [L226] COND TRUE x < 0.0f [L229] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000011, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, y=0, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000011, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, y=0, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000011, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, y=0, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000011, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, y=0, zero_atan2=0] [L229] RET, EXPR __ieee754_atan2f(y, x) [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000010, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, y=0, zero_atan2=0] [L233] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000010, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, y=0, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 132 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 21:00:52,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc --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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:00:54,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:00:54,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:00:54,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:00:54,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:00:54,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:00:54,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:00:54,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:00:54,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:00:54,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:00:54,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:00:54,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:00:54,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:00:54,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:00:54,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:00:54,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:00:54,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:00:54,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:00:54,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:00:54,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:00:54,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:00:54,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:00:54,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:00:54,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:00:54,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:00:54,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:00:54,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:00:54,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:00:54,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:00:54,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:00:54,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:00:54,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:00:54,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:00:54,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:00:54,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:00:54,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:00:54,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:00:54,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:00:54,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:00:54,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:00:54,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:00:54,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-02 21:00:54,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:00:54,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:00:54,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:00:54,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:00:54,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:00:54,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:00:54,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:00:54,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:00:54,878 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:00:54,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:00:54,881 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:00:54,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:00:54,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:00:54,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:00:54,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:00:54,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:00:54,882 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:00:54,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 21:00:54,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 21:00:54,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:00:54,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:00:54,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:00:54,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:00:54,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:00:54,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:00:54,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:00:54,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:00:54,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:00:54,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:00:54,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:00:54,890 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 21:00:54,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 21:00:54,891 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:00:54,891 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:00:54,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:00:54,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 21:00:54,892 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_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 [2022-11-02 21:00:55,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:00:55,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:00:55,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:00:55,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:00:55,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:00:55,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2022-11-02 21:00:55,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/5f1646141/8d3ee87939e645a7b05e25fe616581bc/FLAG5824b8270 [2022-11-02 21:00:56,078 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:00:56,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2022-11-02 21:00:56,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/5f1646141/8d3ee87939e645a7b05e25fe616581bc/FLAG5824b8270 [2022-11-02 21:00:56,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/data/5f1646141/8d3ee87939e645a7b05e25fe616581bc [2022-11-02 21:00:56,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:00:56,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:00:56,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:00:56,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:00:56,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:00:56,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:56,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d1f06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56, skipping insertion in model container [2022-11-02 21:00:56,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:56,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:00:56,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:00:56,763 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_c60b1da7-f2c6-4672-9909-7dc5e80806cd/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2022-11-02 21:00:56,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:00:56,807 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:00:56,926 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_c60b1da7-f2c6-4672-9909-7dc5e80806cd/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2022-11-02 21:00:56,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:00:56,964 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:00:56,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56 WrapperNode [2022-11-02 21:00:56,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:00:56,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:00:56,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:00:56,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:00:56,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,064 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2022-11-02 21:00:57,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:00:57,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:00:57,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:00:57,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:00:57,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:00:57,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:00:57,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:00:57,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:00:57,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (1/1) ... [2022-11-02 21:00:57,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:00:57,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:00:57,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:00:57,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:00:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:00:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-02 21:00:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 21:00:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-02 21:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-02 21:00:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-02 21:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 21:00:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:00:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:00:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-02 21:00:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-02 21:00:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-02 21:00:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 21:00:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:00:57,467 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:00:57,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:01:11,910 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:01:11,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:01:11,920 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-02 21:01:11,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:11 BoogieIcfgContainer [2022-11-02 21:01:11,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:01:11,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:01:11,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:01:11,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:01:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:00:56" (1/3) ... [2022-11-02 21:01:11,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b51d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:01:11, skipping insertion in model container [2022-11-02 21:01:11,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:56" (2/3) ... [2022-11-02 21:01:11,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b51d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:01:11, skipping insertion in model container [2022-11-02 21:01:11,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:11" (3/3) ... [2022-11-02 21:01:11,944 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2022-11-02 21:01:11,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:01:11,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:01:12,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:01:12,039 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@281ac5a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:01:12,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:01:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:01:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 21:01:12,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:12,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:12,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:12,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:12,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1457381495, now seen corresponding path program 1 times [2022-11-02 21:01:12,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:12,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152809114] [2022-11-02 21:01:12,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:12,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:12,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:12,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:12,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 21:01:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:13,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 21:01:13,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:13,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:13,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:13,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152809114] [2022-11-02 21:01:13,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152809114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:13,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:13,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:01:13,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371097554] [2022-11-02 21:01:13,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:13,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:01:13,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:13,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:01:13,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:01:13,423 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:13,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:13,462 INFO L93 Difference]: Finished difference Result 181 states and 294 transitions. [2022-11-02 21:01:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:01:13,465 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-02 21:01:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:13,474 INFO L225 Difference]: With dead ends: 181 [2022-11-02 21:01:13,474 INFO L226 Difference]: Without dead ends: 88 [2022-11-02 21:01:13,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:01:13,483 INFO L413 NwaCegarLoop]: 132 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, 132 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 [2022-11-02 21:01:13,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:01:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-02 21:01:13,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-02 21:01:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 81 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:01:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2022-11-02 21:01:13,536 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 11 [2022-11-02 21:01:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:13,536 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2022-11-02 21:01:13,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-11-02 21:01:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 21:01:13,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:13,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:13,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:13,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:13,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:13,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:13,765 INFO L85 PathProgramCache]: Analyzing trace with hash 413175488, now seen corresponding path program 1 times [2022-11-02 21:01:13,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:13,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875789761] [2022-11-02 21:01:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:13,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:13,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:13,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 21:01:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:14,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 21:01:14,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:15,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 21:01:15,727 INFO L390 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 31 treesize of output 15 [2022-11-02 21:01:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:16,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:16,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:16,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875789761] [2022-11-02 21:01:16,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875789761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:16,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:16,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 21:01:16,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839377941] [2022-11-02 21:01:16,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:16,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:01:16,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:01:16,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:01:16,190 INFO L87 Difference]: Start difference. First operand 88 states and 127 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:17,154 INFO L93 Difference]: Finished difference Result 92 states and 130 transitions. [2022-11-02 21:01:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:01:17,192 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-02 21:01:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:17,194 INFO L225 Difference]: With dead ends: 92 [2022-11-02 21:01:17,194 INFO L226 Difference]: Without dead ends: 88 [2022-11-02 21:01:17,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:01:17,197 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 5 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:17,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 777 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 66 Unchecked, 0.7s Time] [2022-11-02 21:01:17,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-02 21:01:17,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-02 21:01:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:01:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2022-11-02 21:01:17,211 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 13 [2022-11-02 21:01:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:17,212 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2022-11-02 21:01:17,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2022-11-02 21:01:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:01:17,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:17,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:17,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:17,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:17,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:17,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:17,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2003357637, now seen corresponding path program 1 times [2022-11-02 21:01:17,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:17,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693833468] [2022-11-02 21:01:17,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:17,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:17,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:17,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:17,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 21:01:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:18,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 21:01:18,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:19,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:19,074 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:19,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693833468] [2022-11-02 21:01:19,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693833468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:19,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:19,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:01:19,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054605811] [2022-11-02 21:01:19,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:19,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:01:19,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:19,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:01:19,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:01:19,077 INFO L87 Difference]: Start difference. First operand 88 states and 126 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-02 21:01:21,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:21,161 INFO L93 Difference]: Finished difference Result 160 states and 228 transitions. [2022-11-02 21:01:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:01:21,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2022-11-02 21:01:21,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:21,199 INFO L225 Difference]: With dead ends: 160 [2022-11-02 21:01:21,200 INFO L226 Difference]: Without dead ends: 92 [2022-11-02 21:01:21,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:01:21,202 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 16 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:21,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 586 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 10 Unchecked, 1.8s Time] [2022-11-02 21:01:21,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-02 21:01:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2022-11-02 21:01:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4444444444444444) internal successors, (117), 81 states have internal predecessors, (117), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 21:01:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 125 transitions. [2022-11-02 21:01:21,215 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 125 transitions. Word has length 18 [2022-11-02 21:01:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:21,215 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 125 transitions. [2022-11-02 21:01:21,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-02 21:01:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2022-11-02 21:01:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:01:21,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:21,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:21,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:21,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:21,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:21,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:21,432 INFO L85 PathProgramCache]: Analyzing trace with hash -106452547, now seen corresponding path program 1 times [2022-11-02 21:01:21,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:21,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512481089] [2022-11-02 21:01:21,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:21,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:21,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:21,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:21,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 21:01:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:22,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 21:01:22,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:23,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:23,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:23,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512481089] [2022-11-02 21:01:23,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512481089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:23,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:23,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:01:23,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446994353] [2022-11-02 21:01:23,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:23,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:01:23,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:01:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:01:23,004 INFO L87 Difference]: Start difference. First operand 88 states and 125 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-02 21:01:24,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:24,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:24,725 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2022-11-02 21:01:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:01:24,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2022-11-02 21:01:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:24,769 INFO L225 Difference]: With dead ends: 161 [2022-11-02 21:01:24,769 INFO L226 Difference]: Without dead ends: 86 [2022-11-02 21:01:24,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:01:24,771 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 10 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:24,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 533 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 19 Unchecked, 1.5s Time] [2022-11-02 21:01:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-02 21:01:24,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-02 21:01:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 80 states have (on average 1.425) internal successors, (114), 80 states have internal predecessors, (114), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 21:01:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 120 transitions. [2022-11-02 21:01:24,782 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 120 transitions. Word has length 18 [2022-11-02 21:01:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:24,782 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 120 transitions. [2022-11-02 21:01:24,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-02 21:01:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2022-11-02 21:01:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:01:24,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:24,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:24,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:24,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:24,995 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:24,996 INFO L85 PathProgramCache]: Analyzing trace with hash -49194245, now seen corresponding path program 1 times [2022-11-02 21:01:24,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:24,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759400706] [2022-11-02 21:01:24,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:24,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:25,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 21:01:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:26,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 21:01:26,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:27,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:27,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:27,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759400706] [2022-11-02 21:01:27,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759400706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:27,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:27,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 21:01:27,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128581344] [2022-11-02 21:01:27,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:27,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:01:27,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:27,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:01:27,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:01:27,017 INFO L87 Difference]: Start difference. First operand 86 states and 120 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2022-11-02 21:01:29,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:29,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:29,226 INFO L93 Difference]: Finished difference Result 90 states and 123 transitions. [2022-11-02 21:01:29,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:01:29,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 18 [2022-11-02 21:01:29,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:29,265 INFO L225 Difference]: With dead ends: 90 [2022-11-02 21:01:29,265 INFO L226 Difference]: Without dead ends: 86 [2022-11-02 21:01:29,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:01:29,267 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 16 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:29,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 730 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 40 Unchecked, 1.9s Time] [2022-11-02 21:01:29,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-02 21:01:29,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-02 21:01:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 80 states have (on average 1.4125) internal successors, (113), 80 states have internal predecessors, (113), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 21:01:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 119 transitions. [2022-11-02 21:01:29,279 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 119 transitions. Word has length 18 [2022-11-02 21:01:29,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:29,279 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 119 transitions. [2022-11-02 21:01:29,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2022-11-02 21:01:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2022-11-02 21:01:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 21:01:29,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:29,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:29,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-11-02 21:01:29,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:29,488 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:29,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:29,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1527794826, now seen corresponding path program 1 times [2022-11-02 21:01:29,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:29,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172663203] [2022-11-02 21:01:29,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:29,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:29,490 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:29,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 21:01:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:30,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 21:01:30,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:32,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:32,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:32,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172663203] [2022-11-02 21:01:32,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172663203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:32,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:32,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:01:32,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045190049] [2022-11-02 21:01:32,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:32,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:01:32,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:32,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:01:32,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:01:32,028 INFO L87 Difference]: Start difference. First operand 86 states and 119 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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) [2022-11-02 21:01:40,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:42,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:44,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:47,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:48,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:50,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:52,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:52,583 INFO L93 Difference]: Finished difference Result 93 states and 125 transitions. [2022-11-02 21:01:52,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:01:52,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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 [2022-11-02 21:01:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:52,627 INFO L225 Difference]: With dead ends: 93 [2022-11-02 21:01:52,627 INFO L226 Difference]: Without dead ends: 89 [2022-11-02 21:01:52,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:01:52,628 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 97 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:52,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 255 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 6 Unknown, 0 Unchecked, 19.3s Time] [2022-11-02 21:01:52,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-02 21:01:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2022-11-02 21:01:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 21:01:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 117 transitions. [2022-11-02 21:01:52,639 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 117 transitions. Word has length 19 [2022-11-02 21:01:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:52,639 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 117 transitions. [2022-11-02 21:01:52,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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) [2022-11-02 21:01:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2022-11-02 21:01:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 21:01:52,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:52,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:52,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:52,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:52,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:01:52,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:52,856 INFO L85 PathProgramCache]: Analyzing trace with hash -119623626, now seen corresponding path program 1 times [2022-11-02 21:01:52,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:01:52,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43089910] [2022-11-02 21:01:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:52,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:01:52,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:01:52,858 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:01:52,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 21:01:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:54,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:01:54,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:55,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:01:55,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:01:55,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43089910] [2022-11-02 21:01:55,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43089910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:55,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:55,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 21:01:55,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848855406] [2022-11-02 21:01:55,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:55,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 21:01:55,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:01:55,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 21:01:55,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:01:55,243 INFO L87 Difference]: Start difference. First operand 86 states and 117 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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) [2022-11-02 21:01:55,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:55,647 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2022-11-02 21:01:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:01:55,647 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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 20 [2022-11-02 21:01:55,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:55,648 INFO L225 Difference]: With dead ends: 86 [2022-11-02 21:01:55,648 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:01:55,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:01:55,656 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:55,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 29 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 9 Unchecked, 0.1s Time] [2022-11-02 21:01:55,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:01:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:01:55,661 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) [2022-11-02 21:01:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:01:55,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-02 21:01:55,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:55,661 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:01:55,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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) [2022-11-02 21:01:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:01:55,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:01:55,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:01:55,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:55,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:01:55,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 21:01:56,488 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2022-11-02 21:01:56,489 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2022-11-02 21:01:56,489 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2022-11-02 21:01:56,489 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2022-11-02 21:01:56,489 INFO L902 garLoopResultBuilder]: At program point L21-1(lines 14 27) the Hoare annotation is: true [2022-11-02 21:01:56,489 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2022-11-02 21:01:56,489 INFO L899 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2022-11-02 21:01:56,490 INFO L902 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2022-11-02 21:01:56,490 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-02 21:01:56,490 INFO L899 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2022-11-02 21:01:56,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 21:01:56,490 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2022-11-02 21:01:56,490 INFO L895 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= (fp.add roundNearestTiesToEven ~pi~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-02 21:01:56,490 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-02 21:01:56,490 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L895 garLoopResultBuilder]: At program point L203-1(lines 196 208) the Hoare annotation is: false [2022-11-02 21:01:56,491 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L899 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2022-11-02 21:01:56,491 INFO L902 garLoopResultBuilder]: At program point L238(lines 217 239) the Hoare annotation is: true [2022-11-02 21:01:56,492 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2022-11-02 21:01:56,492 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-11-02 21:01:56,493 INFO L895 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (fp.lt |ULTIMATE.start___ieee754_atan2f_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~y~0#1|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_~y#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-02 21:01:56,493 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-11-02 21:01:56,493 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2022-11-02 21:01:56,493 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-02 21:01:56,493 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2022-11-02 21:01:56,493 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2022-11-02 21:01:56,493 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2022-11-02 21:01:56,493 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L895 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 236) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L226-2(lines 226 236) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 21:01:56,494 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-02 21:01:56,495 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-02 21:01:56,495 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2022-11-02 21:01:56,495 INFO L899 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2022-11-02 21:01:56,496 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-02 21:01:56,496 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-02 21:01:56,496 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2022-11-02 21:01:56,496 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-02 21:01:56,497 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-02 21:01:56,497 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2022-11-02 21:01:56,498 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (fp.lt |ULTIMATE.start___ieee754_atan2f_~x#1| (_ +zero 8 24)) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (fp.lt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24))))) (= (_ +zero 8 24) |ULTIMATE.start_main_~y~0#1|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (fp.lt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_~y#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-02 21:01:56,498 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2022-11-02 21:01:56,499 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2022-11-02 21:01:56,499 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-02 21:01:56,499 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 21:01:56,500 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2022-11-02 21:01:56,500 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2022-11-02 21:01:56,500 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2022-11-02 21:01:56,500 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-02 21:01:56,500 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2022-11-02 21:01:56,500 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L902 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2022-11-02 21:01:56,501 INFO L899 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L902 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2022-11-02 21:01:56,501 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-02 21:01:56,501 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2022-11-02 21:01:56,502 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-11-02 21:01:56,503 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2022-11-02 21:01:56,503 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2022-11-02 21:01:56,504 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2022-11-02 21:01:56,504 INFO L899 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2022-11-02 21:01:56,504 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-11-02 21:01:56,506 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2022-11-02 21:01:56,506 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2022-11-02 21:01:56,506 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-02 21:01:56,506 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2022-11-02 21:01:56,507 INFO L899 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2022-11-02 21:01:56,507 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-11-02 21:01:56,507 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-11-02 21:01:56,507 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2022-11-02 21:01:56,510 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:56,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:01:56,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,541 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:01:56 BoogieIcfgContainer [2022-11-02 21:01:56,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:01:56,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:01:56,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:01:56,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:01:56,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:11" (3/4) ... [2022-11-02 21:01:56,564 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:01:56,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-11-02 21:01:56,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2022-11-02 21:01:56,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-02 21:01:56,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-02 21:01:56,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 21:01:56,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:01:56,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && ~Pluszero~LONGDOUBLE() == y) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-02 21:01:56,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-02 21:01:56,685 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:01:56,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:01:56,686 INFO L158 Benchmark]: Toolchain (without parser) took 60292.79ms. Allocated memory is still 86.0MB. Free memory was 67.6MB in the beginning and 62.2MB in the end (delta: 5.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,687 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:56,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.64ms. Allocated memory is still 86.0MB. Free memory was 67.4MB in the beginning and 65.9MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.48ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 63.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,688 INFO L158 Benchmark]: Boogie Preprocessor took 121.15ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 60.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,689 INFO L158 Benchmark]: RCFGBuilder took 14739.46ms. Allocated memory is still 86.0MB. Free memory was 60.4MB in the beginning and 63.7MB in the end (delta: -3.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,689 INFO L158 Benchmark]: TraceAbstraction took 44629.59ms. Allocated memory is still 86.0MB. Free memory was 63.0MB in the beginning and 29.5MB in the end (delta: 33.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,690 INFO L158 Benchmark]: Witness Printer took 125.95ms. Allocated memory is still 86.0MB. Free memory was 29.5MB in the beginning and 62.2MB in the end (delta: -32.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:01:56,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.64ms. Allocated memory is still 86.0MB. Free memory was 67.4MB in the beginning and 65.9MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.48ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 63.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.15ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 60.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 14739.46ms. Allocated memory is still 86.0MB. Free memory was 60.4MB in the beginning and 63.7MB in the end (delta: -3.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 44629.59ms. Allocated memory is still 86.0MB. Free memory was 63.0MB in the beginning and 29.5MB in the end (delta: 33.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 125.95ms. Allocated memory is still 86.0MB. Free memory was 29.5MB in the beginning and 62.2MB in the end (delta: -32.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: 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 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 25.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 3042 SdHoareTripleChecker+Invalid, 24.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 144 IncrementalHoareTripleChecker+Unchecked, 2343 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 699 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 51 PreInvPairs, 55 NumberOfFragments, 135 HoareAnnotationTreeSize, 51 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.3s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 17 QuantifiedInterpolants, 1016 SizeOfPredicates, 44 NumberOfNonLiveVariables, 805 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant [2022-11-02 21:01:56,717 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,718 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == y) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && ~Pluszero~LONGDOUBLE() == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2022-11-02 21:01:56,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,720 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,720 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,720 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2022-11-02 21:01:56,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,723 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-02 21:01:56,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-02 21:01:56,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && ~Pluszero~LONGDOUBLE() == y) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 21:01:56,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60b1da7-f2c6-4672-9909-7dc5e80806cd/bin/uautomizer-Dbtcem3rbc/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 Writing output log to file Ultimate.log Result: TRUE