./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF --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 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:51:36,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:51:36,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:51:36,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:51:36,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:51:36,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:51:36,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:51:36,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:51:36,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:51:36,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:51:36,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:51:36,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:51:36,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:51:36,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:51:36,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:51:36,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:51:36,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:51:36,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:51:36,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:51:36,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:51:36,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:51:36,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:51:36,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:51:36,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:51:36,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:51:36,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:51:36,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:51:36,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:51:36,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:51:36,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:51:36,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:51:36,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:51:36,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:51:36,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:51:36,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:51:36,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:51:36,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:51:36,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:51:36,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:51:36,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:51:36,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:51:36,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:51:36,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:51:36,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:51:36,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:51:36,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:51:36,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:51:36,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:51:36,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:51:36,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:51:36,786 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:51:36,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:51:36,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:51:36,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:51:36,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:51:36,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:51:36,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:51:36,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:51:36,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:51:36,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:51:36,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:51:36,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:51:36,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:51:36,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:51:36,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:51:36,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:51:36,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:51:36,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:51:36,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:51:36,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:51:36,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:51:36,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:51:36,795 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:51:36,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:51:36,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:51:36,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:51:36,796 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_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 [2021-11-20 06:51:37,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:51:37,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:51:37,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:51:37,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:51:37,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:51:37,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-11-20 06:51:37,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/07b7f41c8/533f7d372fb944de9955c11b305b323c/FLAGf88e8fa09 [2021-11-20 06:51:37,741 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:51:37,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-11-20 06:51:37,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/07b7f41c8/533f7d372fb944de9955c11b305b323c/FLAGf88e8fa09 [2021-11-20 06:51:38,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/07b7f41c8/533f7d372fb944de9955c11b305b323c [2021-11-20 06:51:38,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:51:38,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:51:38,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:51:38,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:51:38,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:51:38,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3613611f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38, skipping insertion in model container [2021-11-20 06:51:38,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:51:38,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:51:38,468 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_16a0c9d5-70d2-491e-b3de-9e77b47432ca/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-11-20 06:51:38,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:51:38,497 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:51:38,610 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_16a0c9d5-70d2-491e-b3de-9e77b47432ca/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-11-20 06:51:38,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:51:38,639 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:51:38,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38 WrapperNode [2021-11-20 06:51:38,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:51:38,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:51:38,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:51:38,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:51:38,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,729 INFO L137 Inliner]: procedures = 20, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2021-11-20 06:51:38,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:51:38,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:51:38,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:51:38,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:51:38,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:51:38,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:51:38,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:51:38,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:51:38,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (1/1) ... [2021-11-20 06:51:38,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:51:38,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:51:38,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:51:38,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:51:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:51:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:51:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:51:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 06:51:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:51:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 06:51:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-20 06:51:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-20 06:51:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:51:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:51:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:51:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 06:51:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-11-20 06:51:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-11-20 06:51:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:51:39,006 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:51:39,008 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:51:39,554 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:51:39,564 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:51:39,564 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 06:51:39,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:51:39 BoogieIcfgContainer [2021-11-20 06:51:39,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:51:39,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:51:39,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:51:39,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:51:39,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:51:38" (1/3) ... [2021-11-20 06:51:39,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2875be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:51:39, skipping insertion in model container [2021-11-20 06:51:39,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:38" (2/3) ... [2021-11-20 06:51:39,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2875be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:51:39, skipping insertion in model container [2021-11-20 06:51:39,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:51:39" (3/3) ... [2021-11-20 06:51:39,583 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-11-20 06:51:39,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:51:39,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:51:39,656 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:51:39,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:51:39,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:51:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 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) [2021-11-20 06:51:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 06:51:39,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:51:39,695 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:51:39,696 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:51:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:51:39,708 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2021-11-20 06:51:39,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:51:39,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400410280] [2021-11-20 06:51:39,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:51:39,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:51:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:51:39,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:51:39,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400410280] [2021-11-20 06:51:39,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400410280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:51:39,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:51:39,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:51:39,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4494383] [2021-11-20 06:51:39,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:51:39,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:51:39,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:51:39,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:51:39,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:51:39,961 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:51:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:51:40,008 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2021-11-20 06:51:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:51:40,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-11-20 06:51:40,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:51:40,034 INFO L225 Difference]: With dead ends: 190 [2021-11-20 06:51:40,034 INFO L226 Difference]: Without dead ends: 92 [2021-11-20 06:51:40,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:51:40,043 INFO L933 BasicCegarLoop]: 136 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, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:51:40,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:51:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-20 06:51:40,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-20 06:51:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 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) [2021-11-20 06:51:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-11-20 06:51:40,096 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2021-11-20 06:51:40,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:51:40,096 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-11-20 06:51:40,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:51:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-11-20 06:51:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 06:51:40,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:51:40,098 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:51:40,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:51:40,099 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:51:40,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:51:40,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2021-11-20 06:51:40,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:51:40,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869251241] [2021-11-20 06:51:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:51:40,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:51:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:51:40,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:51:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:51:40,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:51:40,402 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:51:40,407 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:51:40,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:51:40,417 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 06:51:40,421 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:51:40,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:51:40 BoogieIcfgContainer [2021-11-20 06:51:40,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:51:40,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:51:40,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:51:40,515 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:51:40,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:51:39" (3/4) ... [2021-11-20 06:51:40,519 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:51:40,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:51:40,522 INFO L158 Benchmark]: Toolchain (without parser) took 2424.02ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 62.9MB in the end (delta: -9.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-20 06:51:40,523 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 86.0MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:51:40,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.50ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 78.4MB in the end (delta: -25.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:51:40,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.90ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:51:40,533 INFO L158 Benchmark]: Boogie Preprocessor took 60.83ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:51:40,534 INFO L158 Benchmark]: RCFGBuilder took 775.35ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 53.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-20 06:51:40,535 INFO L158 Benchmark]: TraceAbstraction took 943.81ms. Allocated memory is still 104.9MB. Free memory was 53.2MB in the beginning and 63.7MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:51:40,537 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 62.9MB in the end (delta: 800.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:51:40,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 86.0MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.50ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 78.4MB in the end (delta: -25.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.90ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.83ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.35ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 53.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 943.81ms. Allocated memory is still 104.9MB. Free memory was 53.2MB in the beginning and 63.7MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 62.9MB in the end (delta: 800.8kB). Peak memory consumption was 2.1MB. 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: 245]: 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 244, 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] [L236] float x = __VERIFIER_nondet_float(); [L237] float y = -1.0f / 0.0f; [L239] CALL isfinite_float(x) [L219] __int32_t ix; VAL [\old(x)=1000000000000000000000000000002, 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=1000000000000000000000000000002, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); VAL [\old(x)=1000000000000000000000000000002, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=2139095039, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L239] RET isfinite_float(x) [L239] COND TRUE isfinite_float(x) [L241] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, 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=1000000000000000000000000000002, y=1000000000000000000000000000001, 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)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, 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)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L241] RET, EXPR __ieee754_atan2f(y, x) [L241] float res = __ieee754_atan2f(y, x); [L244] COND TRUE res != -pi_o_2 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=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L245] 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=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 136 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, 136 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=96occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 06:51:40,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF --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 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:51:43,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:51:43,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:51:43,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:51:43,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:51:43,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:51:43,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:51:43,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:51:43,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:51:43,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:51:43,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:51:43,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:51:43,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:51:43,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:51:43,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:51:43,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:51:43,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:51:43,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:51:43,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:51:43,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:51:43,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:51:43,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:51:43,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:51:43,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:51:43,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:51:43,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:51:43,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:51:43,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:51:43,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:51:43,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:51:43,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:51:43,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:51:43,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:51:43,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:51:43,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:51:43,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:51:43,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:51:43,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:51:43,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:51:43,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:51:43,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:51:43,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:51:43,506 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:51:43,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:51:43,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:51:43,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:51:43,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:51:43,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:51:43,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:51:43,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:51:43,510 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:51:43,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:51:43,511 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:51:43,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:51:43,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:51:43,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:51:43,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:51:43,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:51:43,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:51:43,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:51:43,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:51:43,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:51:43,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:51:43,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:51:43,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:51:43,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:51:43,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:51:43,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:51:43,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:51:43,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:51:43,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:51:43,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:51:43,516 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:51:43,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:51:43,516 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:51:43,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:51:43,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:51:43,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:51:43,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:51:43,517 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_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 [2021-11-20 06:51:43,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:51:44,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:51:44,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:51:44,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:51:44,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:51:44,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-11-20 06:51:44,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/532e84356/d2b1a3e9f7f74596ae618fff43b8bf35/FLAGa6ca001e5 [2021-11-20 06:51:44,721 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:51:44,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-11-20 06:51:44,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/532e84356/d2b1a3e9f7f74596ae618fff43b8bf35/FLAGa6ca001e5 [2021-11-20 06:51:45,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/data/532e84356/d2b1a3e9f7f74596ae618fff43b8bf35 [2021-11-20 06:51:45,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:51:45,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:51:45,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:51:45,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:51:45,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:51:45,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dcabdbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45, skipping insertion in model container [2021-11-20 06:51:45,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:51:45,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:51:45,421 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_16a0c9d5-70d2-491e-b3de-9e77b47432ca/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-11-20 06:51:45,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:51:45,454 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:51:45,531 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_16a0c9d5-70d2-491e-b3de-9e77b47432ca/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-11-20 06:51:45,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:51:45,558 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:51:45,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45 WrapperNode [2021-11-20 06:51:45,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:51:45,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:51:45,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:51:45,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:51:45,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,624 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2021-11-20 06:51:45,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:51:45,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:51:45,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:51:45,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:51:45,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:51:45,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:51:45,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:51:45,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:51:45,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (1/1) ... [2021-11-20 06:51:45,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:51:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:51:45,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:51:45,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:51:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:51:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-20 06:51:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:51:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:51:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-20 06:51:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-20 06:51:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-20 06:51:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:51:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:51:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:51:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-20 06:51:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-11-20 06:51:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-11-20 06:51:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:51:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:51:45,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:51:45,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:51:59,457 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:51:59,466 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:51:59,467 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 06:51:59,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:51:59 BoogieIcfgContainer [2021-11-20 06:51:59,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:51:59,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:51:59,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:51:59,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:51:59,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:51:45" (1/3) ... [2021-11-20 06:51:59,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64042723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:51:59, skipping insertion in model container [2021-11-20 06:51:59,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:51:45" (2/3) ... [2021-11-20 06:51:59,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64042723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:51:59, skipping insertion in model container [2021-11-20 06:51:59,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:51:59" (3/3) ... [2021-11-20 06:51:59,483 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-11-20 06:51:59,490 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:51:59,490 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:51:59,556 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:51:59,566 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:51:59,566 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:51:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 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) [2021-11-20 06:51:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 06:51:59,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:51:59,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:51:59,599 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:51:59,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:51:59,607 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2021-11-20 06:51:59,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:51:59,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026394305] [2021-11-20 06:51:59,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:51:59,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:51:59,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:51:59,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:51:59,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:52:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:00,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 06:52:00,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:52:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:01,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:52:01,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:01,156 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:52:01,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026394305] [2021-11-20 06:52:01,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026394305] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:01,158 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:01,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:52:01,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067451000] [2021-11-20 06:52:01,161 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:01,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:52:01,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:52:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:52:01,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:52:01,208 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:52:01,281 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2021-11-20 06:52:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:52:01,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-11-20 06:52:01,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:52:01,294 INFO L225 Difference]: With dead ends: 190 [2021-11-20 06:52:01,294 INFO L226 Difference]: Without dead ends: 92 [2021-11-20 06:52:01,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:52:01,304 INFO L933 BasicCegarLoop]: 136 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, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:52:01,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:52:01,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-20 06:52:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-20 06:52:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 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) [2021-11-20 06:52:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-11-20 06:52:01,360 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2021-11-20 06:52:01,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:52:01,361 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-11-20 06:52:01,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-11-20 06:52:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 06:52:01,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:52:01,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:01,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 06:52:01,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:52:01,565 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:52:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2021-11-20 06:52:01,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:52:01,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162758890] [2021-11-20 06:52:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:01,569 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:52:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:52:01,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:52:01,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:52:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:02,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 06:52:02,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:52:03,066 INFO L388 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 28 treesize of output 24 [2021-11-20 06:52:04,744 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-20 06:52:04,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 42 [2021-11-20 06:52:05,807 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:52:05,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 26 [2021-11-20 06:52:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:07,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:52:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:12,912 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:52:12,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162758890] [2021-11-20 06:52:12,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162758890] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:12,913 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:12,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2021-11-20 06:52:12,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731484451] [2021-11-20 06:52:12,914 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:12,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 06:52:12,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:52:12,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 06:52:12,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:52:12,918 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:12,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:52:12,972 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2021-11-20 06:52:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:52:12,973 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 17 [2021-11-20 06:52:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:52:12,976 INFO L225 Difference]: With dead ends: 96 [2021-11-20 06:52:12,976 INFO L226 Difference]: Without dead ends: 92 [2021-11-20 06:52:12,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:52:12,979 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:52:12,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1596 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 70 Unchecked, 0.0s Time] [2021-11-20 06:52:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-20 06:52:12,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-20 06:52:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 85 states have internal predecessors, (122), 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) [2021-11-20 06:52:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2021-11-20 06:52:12,997 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 17 [2021-11-20 06:52:12,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:52:12,998 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2021-11-20 06:52:12,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2021-11-20 06:52:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 06:52:13,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:52:13,001 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:13,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:52:13,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:52:13,223 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:52:13,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1450439137, now seen corresponding path program 1 times [2021-11-20 06:52:13,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:52:13,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400864700] [2021-11-20 06:52:13,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:13,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:52:13,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:52:13,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:52:13,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:52:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:14,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:52:14,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:52:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:16,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:52:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:19,705 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:52:19,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400864700] [2021-11-20 06:52:19,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400864700] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:19,706 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:19,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-20 06:52:19,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816528482] [2021-11-20 06:52:19,707 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:19,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:52:19,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:52:19,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:52:19,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:52:19,708 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:25,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:29,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:32,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:33,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:35,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:37,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:39,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:41,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:44,680 WARN L515 Checker$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 [] [2021-11-20 06:52:46,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:46,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:52:46,609 INFO L93 Difference]: Finished difference Result 100 states and 138 transitions. [2021-11-20 06:52:46,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:52:46,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-20 06:52:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:52:46,615 INFO L225 Difference]: With dead ends: 100 [2021-11-20 06:52:46,616 INFO L226 Difference]: Without dead ends: 95 [2021-11-20 06:52:46,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:52:46,621 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 108 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:52:46,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 462 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 5 Unknown, 0 Unchecked, 24.8s Time] [2021-11-20 06:52:46,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-20 06:52:46,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2021-11-20 06:52:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.423529411764706) internal successors, (121), 85 states have internal predecessors, (121), 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) [2021-11-20 06:52:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-11-20 06:52:46,641 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 22 [2021-11-20 06:52:46,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:52:46,642 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-11-20 06:52:46,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-20 06:52:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 06:52:46,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:52:46,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:46,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:52:46,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:52:46,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:52:46,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:46,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1452286179, now seen corresponding path program 1 times [2021-11-20 06:52:46,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:52:46,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936404925] [2021-11-20 06:52:46,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:46,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:52:46,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:52:46,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:52:46,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:52:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:48,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:52:48,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:52:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:48,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:52:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:49,809 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:52:49,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936404925] [2021-11-20 06:52:49,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936404925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:49,809 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:49,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:52:49,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473245872] [2021-11-20 06:52:49,810 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:49,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:52:49,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:52:49,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:52:49,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:52:49,812 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:49,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:52:49,829 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2021-11-20 06:52:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:52:49,833 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 22 [2021-11-20 06:52:49,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:52:49,847 INFO L225 Difference]: With dead ends: 100 [2021-11-20 06:52:49,848 INFO L226 Difference]: Without dead ends: 94 [2021-11-20 06:52:49,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:52:49,851 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 61 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:52:49,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 699 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-11-20 06:52:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-20 06:52:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2021-11-20 06:52:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 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) [2021-11-20 06:52:49,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-11-20 06:52:49,885 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 22 [2021-11-20 06:52:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:52:49,886 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-11-20 06:52:49,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2021-11-20 06:52:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 06:52:49,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:52:49,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:49,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:52:50,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:52:50,107 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:52:50,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:50,108 INFO L85 PathProgramCache]: Analyzing trace with hash -947623069, now seen corresponding path program 1 times [2021-11-20 06:52:50,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:52:50,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727131868] [2021-11-20 06:52:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:50,109 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:52:50,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:52:50,111 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:52:50,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:52:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:51,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:52:51,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:52:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:52,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:52:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:53,284 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:52:53,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727131868] [2021-11-20 06:52:53,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727131868] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:53,285 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:53,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 06:52:53,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7745208] [2021-11-20 06:52:53,285 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:53,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:52:53,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:52:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:52:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:52:53,287 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:52:53,366 INFO L93 Difference]: Finished difference Result 177 states and 250 transitions. [2021-11-20 06:52:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:52:53,367 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 22 [2021-11-20 06:52:53,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:52:53,369 INFO L225 Difference]: With dead ends: 177 [2021-11-20 06:52:53,369 INFO L226 Difference]: Without dead ends: 105 [2021-11-20 06:52:53,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:52:53,372 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 38 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:52:53,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 911 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 22 Unchecked, 0.1s Time] [2021-11-20 06:52:53,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-20 06:52:53,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 84. [2021-11-20 06:52:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 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) [2021-11-20 06:52:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2021-11-20 06:52:53,387 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 22 [2021-11-20 06:52:53,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:52:53,387 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2021-11-20 06:52:53,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:52:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2021-11-20 06:52:53,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:52:53,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:52:53,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:53,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:52:53,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:52:53,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:52:53,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1672952196, now seen corresponding path program 1 times [2021-11-20 06:52:53,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:52:53,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937572080] [2021-11-20 06:52:53,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:53,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:52:53,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:52:53,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:52:53,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:52:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:54,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 06:52:54,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:52:54,927 INFO L388 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 28 treesize of output 24 [2021-11-20 06:52:55,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-11-20 06:52:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:52:57,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:53:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:00,485 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:53:00,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937572080] [2021-11-20 06:53:00,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937572080] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:53:00,485 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:53:00,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-20 06:53:00,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710226163] [2021-11-20 06:53:00,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:53:00,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 06:53:00,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:53:00,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 06:53:00,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:53:00,488 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:53:00,807 INFO L93 Difference]: Finished difference Result 137 states and 187 transitions. [2021-11-20 06:53:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:53:00,808 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-20 06:53:00,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:53:00,809 INFO L225 Difference]: With dead ends: 137 [2021-11-20 06:53:00,810 INFO L226 Difference]: Without dead ends: 73 [2021-11-20 06:53:00,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:53:00,813 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 4 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:53:00,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 880 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 40 Unchecked, 0.1s Time] [2021-11-20 06:53:00,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-20 06:53:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-20 06:53:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 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) [2021-11-20 06:53:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2021-11-20 06:53:00,844 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 23 [2021-11-20 06:53:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:53:00,844 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2021-11-20 06:53:00,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-11-20 06:53:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 06:53:00,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:53:00,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:53:00,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:01,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:53:01,075 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:53:01,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:01,076 INFO L85 PathProgramCache]: Analyzing trace with hash 791814228, now seen corresponding path program 1 times [2021-11-20 06:53:01,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:53:01,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352660015] [2021-11-20 06:53:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:01,077 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:53:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:53:01,079 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:53:01,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:53:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:02,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:53:02,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:04,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:53:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:07,521 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:53:07,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352660015] [2021-11-20 06:53:07,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [352660015] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:53:07,522 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:53:07,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-20 06:53:07,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125266482] [2021-11-20 06:53:07,523 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:53:07,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:53:07,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:53:07,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:53:07,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:53:07,525 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:11,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:16,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:19,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:21,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:24,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:26,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:29,401 WARN L515 Checker$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 [] [2021-11-20 06:53:29,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:53:29,502 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2021-11-20 06:53:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:53:29,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-20 06:53:29,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:53:29,505 INFO L225 Difference]: With dead ends: 81 [2021-11-20 06:53:29,505 INFO L226 Difference]: Without dead ends: 76 [2021-11-20 06:53:29,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:53:29,506 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 130 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:53:29,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 268 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 6 Unknown, 0 Unchecked, 20.1s Time] [2021-11-20 06:53:29,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-20 06:53:29,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2021-11-20 06:53:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 66 states have internal predecessors, (85), 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) [2021-11-20 06:53:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2021-11-20 06:53:29,520 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 24 [2021-11-20 06:53:29,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:53:29,521 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2021-11-20 06:53:29,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2021-11-20 06:53:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 06:53:29,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:53:29,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:53:29,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:29,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:53:29,739 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:53:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:29,740 INFO L85 PathProgramCache]: Analyzing trace with hash 793661270, now seen corresponding path program 1 times [2021-11-20 06:53:29,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:53:29,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324604237] [2021-11-20 06:53:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:29,742 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:53:29,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:53:29,744 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:53:29,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 06:53:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:30,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:53:30,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:31,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:53:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:32,568 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:53:32,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324604237] [2021-11-20 06:53:32,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324604237] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:53:32,569 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:53:32,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:53:32,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587062926] [2021-11-20 06:53:32,569 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:53:32,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:53:32,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:53:32,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:53:32,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:53:32,571 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:32,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:53:32,580 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2021-11-20 06:53:32,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:53:32,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-20 06:53:32,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:53:32,583 INFO L225 Difference]: With dead ends: 92 [2021-11-20 06:53:32,583 INFO L226 Difference]: Without dead ends: 86 [2021-11-20 06:53:32,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:53:32,584 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 48 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:53:32,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 326 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-20 06:53:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-20 06:53:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2021-11-20 06:53:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.28125) internal successors, (82), 64 states have internal predecessors, (82), 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) [2021-11-20 06:53:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2021-11-20 06:53:32,595 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 24 [2021-11-20 06:53:32,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:53:32,596 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-11-20 06:53:32,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-11-20 06:53:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:53:32,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:53:32,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:53:32,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:32,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:53:32,811 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:53:32,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:32,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1553945203, now seen corresponding path program 1 times [2021-11-20 06:53:32,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:53:32,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622196840] [2021-11-20 06:53:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:32,813 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:53:32,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:53:32,814 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:53:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 06:53:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:34,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:53:34,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:35,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:53:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:36,504 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:53:36,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622196840] [2021-11-20 06:53:36,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1622196840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:53:36,504 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:53:36,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 06:53:36,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255908884] [2021-11-20 06:53:36,505 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:53:36,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:53:36,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:53:36,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:53:36,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:53:36,507 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:36,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:53:36,623 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2021-11-20 06:53:36,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:53:36,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-20 06:53:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:53:36,625 INFO L225 Difference]: With dead ends: 105 [2021-11-20 06:53:36,625 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 06:53:36,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:53:36,627 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:53:36,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 340 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2021-11-20 06:53:36,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 06:53:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-20 06:53:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:53:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2021-11-20 06:53:36,635 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 25 [2021-11-20 06:53:36,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:53:36,636 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2021-11-20 06:53:36,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:53:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-20 06:53:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 06:53:36,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:53:36,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:53:36,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-20 06:53:36,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:53:36,847 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:53:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:36,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1512113405, now seen corresponding path program 1 times [2021-11-20 06:53:36,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:53:36,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354241748] [2021-11-20 06:53:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:36,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:53:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:53:36,850 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:53:36,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 06:53:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:38,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:53:38,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:39,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:53:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:41,886 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:53:41,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354241748] [2021-11-20 06:53:41,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354241748] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:53:41,887 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:53:41,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 06:53:41,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521554242] [2021-11-20 06:53:41,887 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:53:41,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:53:41,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:53:41,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:53:41,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:53:41,890 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:53:44,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:47,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:49,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:51,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:52,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:54,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:53:55,276 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2021-11-20 06:53:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:53:55,341 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2021-11-20 06:53:55,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:53:55,343 INFO L225 Difference]: With dead ends: 58 [2021-11-20 06:53:55,343 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 06:53:55,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:53:55,344 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 12 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 59 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:53:55,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 440 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 5 Unknown, 59 Unchecked, 13.1s Time] [2021-11-20 06:53:55,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 06:53:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-20 06:53:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:53:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2021-11-20 06:53:55,355 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 28 [2021-11-20 06:53:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:53:55,356 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-11-20 06:53:55,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:53:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-20 06:53:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:53:55,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:53:55,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:53:55,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:55,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:53:55,575 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:53:55,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:55,576 INFO L85 PathProgramCache]: Analyzing trace with hash 868682631, now seen corresponding path program 1 times [2021-11-20 06:53:55,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:53:55,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064538578] [2021-11-20 06:53:55,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:55,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:53:55,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:53:55,579 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:53:55,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 06:53:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:57,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:53:57,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:58,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:01,622 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:54:01,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064538578] [2021-11-20 06:54:01,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064538578] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:01,622 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:01,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 06:54:01,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832526427] [2021-11-20 06:54:01,623 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:01,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:54:01,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:54:01,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:54:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:54:01,625 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:54:05,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:06,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:09,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:11,333 WARN L515 Checker$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 [] [2021-11-20 06:54:14,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:16,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:16,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:16,392 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2021-11-20 06:54:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:54:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-20 06:54:16,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:16,444 INFO L225 Difference]: With dead ends: 61 [2021-11-20 06:54:16,444 INFO L226 Difference]: Without dead ends: 54 [2021-11-20 06:54:16,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:54:16,451 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:16,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 348 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 5 Unknown, 38 Unchecked, 14.1s Time] [2021-11-20 06:54:16,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-20 06:54:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2021-11-20 06:54:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:54:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2021-11-20 06:54:16,458 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 29 [2021-11-20 06:54:16,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:16,458 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2021-11-20 06:54:16,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:54:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-11-20 06:54:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:54:16,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:16,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:54:16,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:16,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:54:16,667 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:54:16,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:16,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1756186312, now seen corresponding path program 1 times [2021-11-20 06:54:16,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:54:16,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179115742] [2021-11-20 06:54:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:16,669 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:54:16,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:54:16,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:54:16,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 06:54:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:18,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-20 06:54:18,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:19,482 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-20 06:54:19,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 82 [2021-11-20 06:54:19,851 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-20 06:54:19,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 102 [2021-11-20 06:54:21,939 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-20 06:54:21,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 101 [2021-11-20 06:54:22,497 INFO L354 Elim1Store]: treesize reduction 73, result has 25.5 percent of original size [2021-11-20 06:54:22,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 112 treesize of output 127 [2021-11-20 06:54:23,735 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-20 06:54:23,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 104 [2021-11-20 06:54:24,068 INFO L354 Elim1Store]: treesize reduction 73, result has 25.5 percent of original size [2021-11-20 06:54:24,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 115 treesize of output 130 [2021-11-20 06:54:25,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-11-20 06:54:36,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 328 treesize of output 220 [2021-11-20 06:54:37,164 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-20 06:54:37,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 220 treesize of output 228 [2021-11-20 06:54:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:42,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:49,669 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (or (fp.eq (let ((.cse1 (store |c_#memory_int| |v_atan_float_~#gf_u~1.base_26| (store (select |c_#memory_int| |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.neg c_~pi_o_2~0)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_atan_float_~#gf_u~1.base_26|)))))) is different from false [2021-11-20 06:54:52,385 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq |c_atan_float_#res| (fp.neg c_~pi_o_2~0)) (exists ((|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (and (not (fp.eq (let ((.cse1 (store |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_26| (store (select |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.neg c_~pi_o_2~0))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_atan_float_~#gf_u~1.base_26|))))))) is different from true [2021-11-20 06:54:57,205 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.sub c_currentRoundingMode (fp.neg (let ((.cse0 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (let ((.cse1 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (fp.neg c_~pi_o_2~0)) (exists ((|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (and (not (fp.eq (let ((.cse3 (store |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_26| (store (select |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse2 (select (select .cse3 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (let ((.cse4 (select (select .cse3 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.neg c_~pi_o_2~0))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_atan_float_~#gf_u~1.base_26|))))))) is different from true [2021-11-20 06:55:07,404 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_atan_float_~#gf_u~1.base_20| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_35| (_ BitVec 32))) (or (fp.eq (let ((.cse1 (store |c_#memory_int| |v_atan_float_~#gf_u~1.base_20| (store (select |c_#memory_int| |v_atan_float_~#gf_u~1.base_20|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_35|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.neg c_~pi_o_2~0)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_atan_float_~#gf_u~1.base_20|)))))) (exists ((|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (and (not (fp.eq (let ((.cse4 (store |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_26| (store (select |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse3 (select (select .cse4 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (let ((.cse5 (select (select .cse4 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.neg c_~pi_o_2~0))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_atan_float_~#gf_u~1.base_26|))))))) is different from true [2021-11-20 06:55:12,521 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_26|)))))) (fp.eq (let ((.cse1 (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (store .cse3 |v_atan_float_~#gf_u~1.base_26| (store (select .cse3 |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|))))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.neg c_~pi_o_2~0)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|))))) is different from false [2021-11-20 06:55:19,432 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_33| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (let ((.cse0 (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (_ bv0 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28|))) (not (= (_ bv0 1) (select .cse0 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store .cse0 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_26|)))))) (fp.eq (let ((.cse2 (let ((.cse4 (let ((.cse5 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_33|)))) (store .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (store (select .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (store .cse4 |v_atan_float_~#gf_u~1.base_26| (store (select .cse4 |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|))))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse1 (select (select .cse2 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (let ((.cse3 (select (select .cse2 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.neg c_~pi_o_2~0))))) is different from false [2021-11-20 06:55:42,284 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_32| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_33| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (let ((.cse0 (store |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ bv0 1)))) (let ((.cse7 (store .cse0 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (_ bv0 1)))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select .cse0 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28|)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (fp.eq (let ((.cse2 (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (store (select |c_#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_32|)))) (store .cse6 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (store (select .cse6 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_33|))))) (store .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (store (select .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (store .cse4 |v_atan_float_~#gf_u~1.base_26| (store (select .cse4 |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|))))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse1 (select (select .cse2 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (let ((.cse3 (select (select .cse2 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.neg c_~pi_o_2~0)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store .cse7 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_26|))))))) (not (= (_ bv0 1) (bvneg (select .cse7 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|)))))))) is different from false [2021-11-20 06:55:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:50,095 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:50,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179115742] [2021-11-20 06:55:50,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179115742] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:55:50,096 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:55:50,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 11] imperfect sequences [] total 19 [2021-11-20 06:55:50,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642786686] [2021-11-20 06:55:50,096 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:55:50,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 06:55:50,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:50,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 06:55:50,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=134, Unknown=8, NotChecked=196, Total=380 [2021-11-20 06:55:50,099 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 20 states, 20 states have (on average 2.65) internal successors, (53), 17 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:55:52,961 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_33| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (let ((.cse1 (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (_ bv0 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28|))) (not (= (_ bv0 1) (select .cse1 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store .cse1 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_26|)))))) (fp.eq (let ((.cse3 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_28|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_33|)))) (store .cse6 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (store (select .cse6 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (store .cse5 |v_atan_float_~#gf_u~1.base_26| (store (select .cse5 |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|))))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse2 (select (select .cse3 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (let ((.cse4 (select (select .cse3 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.neg c_~pi_o_2~0))))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse7 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |c_#valid| (_ bv4 32)) .cse7)) (= (_ bv0 1) (bvadd .cse7 (_ bv1 1)))))) (= (_ bv4 32) |c_~#atanhi_atan~0.base|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= c_~pi_o_2~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse8 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse9 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse9 (select |c_#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse9))) (_ bv1 1)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 06:55:55,135 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |c_#valid| (_ bv4 32)) .cse1)) (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))))) (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_26|)))))) (fp.eq (let ((.cse3 (let ((.cse5 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (store .cse5 |v_atan_float_~#gf_u~1.base_26| (store (select .cse5 |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|))))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse2 (select (select .cse3 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (let ((.cse4 (select (select .cse3 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.neg c_~pi_o_2~0)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_31|))))) (= (_ bv4 32) |c_~#atanhi_atan~0.base|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= c_~pi_o_2~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse6 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse7 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse7 (select |c_#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse7))) (_ bv1 1)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 06:55:57,247 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |c_#valid| (_ bv4 32)) .cse1)) (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))))) (= (_ bv4 32) |c_~#atanhi_atan~0.base|) (forall ((|v_atan_float_~#gf_u~1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_38| (_ BitVec 32))) (or (fp.eq (let ((.cse3 (store |c_#memory_int| |v_atan_float_~#gf_u~1.base_26| (store (select |c_#memory_int| |v_atan_float_~#gf_u~1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_38|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse2 (select (select .cse3 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (let ((.cse4 (select (select .cse3 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.neg c_~pi_o_2~0)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_atan_float_~#gf_u~1.base_26|)))))) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= c_~pi_o_2~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse5 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse6 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse6 (select |c_#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse6))) (_ bv1 1)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 06:56:21,577 WARN L227 SmtUtils]: Spent 12.44s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:56:42,514 WARN L227 SmtUtils]: Spent 13.83s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:56:44,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:46,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:49,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:51,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:53,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:55,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:55,727 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2021-11-20 06:56:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:56:55,812 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.65) internal successors, (53), 17 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-20 06:56:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:55,813 INFO L225 Difference]: With dead ends: 60 [2021-11-20 06:56:55,813 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 06:56:55,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 79.3s TimeCoverageRelationStatistics Valid=56, Invalid=180, Unknown=14, NotChecked=350, Total=600 [2021-11-20 06:56:55,815 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 278 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:55,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 284 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 6 Unknown, 278 Unchecked, 13.5s Time] [2021-11-20 06:56:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 06:56:55,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2021-11-20 06:56:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:56:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2021-11-20 06:56:55,822 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 29 [2021-11-20 06:56:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:55,823 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2021-11-20 06:56:55,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.65) internal successors, (53), 17 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:56:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2021-11-20 06:56:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 06:56:55,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:55,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:55,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:56,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:56,032 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:56,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1197063290, now seen corresponding path program 1 times [2021-11-20 06:56:56,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:56,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572855428] [2021-11-20 06:56:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:56,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:56,035 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:56,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 06:56:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:57,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:56:57,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:59,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:02,620 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:02,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572855428] [2021-11-20 06:57:02,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572855428] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:02,620 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:02,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 06:57:02,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795322227] [2021-11-20 06:57:02,621 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:02,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:57:02,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:02,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:57:02,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:57:02,623 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:05,122 WARN L515 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 [] [2021-11-20 06:57:06,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:08,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:10,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:13,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:15,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:17,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:17,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:17,982 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2021-11-20 06:57:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:57:18,031 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2021-11-20 06:57:18,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:18,033 INFO L225 Difference]: With dead ends: 60 [2021-11-20 06:57:18,033 INFO L226 Difference]: Without dead ends: 46 [2021-11-20 06:57:18,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:57:18,035 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 57 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:18,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 378 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 6 Unknown, 60 Unchecked, 15.1s Time] [2021-11-20 06:57:18,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-20 06:57:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-20 06:57:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 41 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2021-11-20 06:57:18,048 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 30 [2021-11-20 06:57:18,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:18,049 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2021-11-20 06:57:18,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:57:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-20 06:57:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 06:57:18,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:18,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:18,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:18,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:18,258 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:18,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:18,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1144895001, now seen corresponding path program 1 times [2021-11-20 06:57:18,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:57:18,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129117790] [2021-11-20 06:57:18,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:18,260 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:57:18,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:57:18,263 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:57:18,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 06:57:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:21,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:57:21,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:23,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:29,266 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:29,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129117790] [2021-11-20 06:57:29,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129117790] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:29,267 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:29,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 06:57:29,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015414623] [2021-11-20 06:57:29,267 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:29,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:57:29,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:57:29,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:57:29,270 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:57:29,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:29,720 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-20 06:57:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:57:29,721 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 42 [2021-11-20 06:57:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:29,721 INFO L225 Difference]: With dead ends: 46 [2021-11-20 06:57:29,722 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:57:29,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:57:29,724 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 50 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:29,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 243 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 39 Unchecked, 0.0s Time] [2021-11-20 06:57:29,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:57:29,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:57:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:57:29,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-20 06:57:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:29,728 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:57:29,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:57:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:57:29,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:57:29,734 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:57:29,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:29,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:57:57,950 WARN L227 SmtUtils]: Spent 23.16s on a formula simplification. DAG size of input: 164 DAG size of output: 107 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:58:13,281 WARN L227 SmtUtils]: Spent 15.32s on a formula simplification. DAG size of input: 169 DAG size of output: 106 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:58:32,433 WARN L227 SmtUtils]: Spent 19.13s on a formula simplification. DAG size of input: 157 DAG size of output: 98 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:58:59,956 WARN L227 SmtUtils]: Spent 27.52s on a formula simplification. DAG size of input: 145 DAG size of output: 116 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:59:03,371 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-11-20 06:59:03,372 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-11-20 06:59:03,372 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-11-20 06:59:03,372 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-11-20 06:59:03,372 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-11-20 06:59:03,373 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-11-20 06:59:03,373 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-11-20 06:59:03,373 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-11-20 06:59:03,373 INFO L861 garLoopResultBuilder]: At program point L250(lines 229 251) the Hoare annotation is: true [2021-11-20 06:59:03,373 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-20 06:59:03,373 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-11-20 06:59:03,374 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:59:03,374 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-20 06:59:03,374 INFO L854 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)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|)) [2021-11-20 06:59:03,374 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-20 06:59:03,374 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-11-20 06:59:03,374 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-11-20 06:59:03,375 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-11-20 06:59:03,375 INFO L858 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2021-11-20 06:59:03,375 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-11-20 06:59:03,376 INFO L854 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| (_ bv5 32)))) (_ bv1 1))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2021-11-20 06:59:03,376 INFO L858 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2021-11-20 06:59:03,377 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-11-20 06:59:03,377 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-20 06:59:03,377 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-20 06:59:03,378 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-11-20 06:59:03,378 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv4 32)) .cse1)) (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (exists ((|ULTIMATE.start___ieee754_atan2f_~hy~0#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~iy~0#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)))))) (exists ((|ULTIMATE.start___ieee754_atan2f_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~ix~2#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_4) (_ bv2139095040 32)) (= (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|)) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse2 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse3 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse3 (select |#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse3))) (_ bv1 1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:59:03,379 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-11-20 06:59:03,379 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-11-20 06:59:03,379 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-11-20 06:59:03,380 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 248) no Hoare annotation was computed. [2021-11-20 06:59:03,380 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-20 06:59:03,380 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 239 248) no Hoare annotation was computed. [2021-11-20 06:59:03,380 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:59:03,381 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-11-20 06:59:03,381 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-11-20 06:59:03,381 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-20 06:59:03,382 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv4 32)) .cse1)) (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))))) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_atan2f_~x#1| (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (bvslt (bvand (_ bv2147483647 32) .cse2) (_ bv2139095040 32))))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse3 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse4 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse4 (select |#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse4))) (_ bv1 1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:59:03,382 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-20 06:59:03,382 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-11-20 06:59:03,382 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-20 06:59:03,383 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-11-20 06:59:03,383 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-11-20 06:59:03,383 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-11-20 06:59:03,383 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-11-20 06:59:03,383 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-11-20 06:59:03,383 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-11-20 06:59:03,383 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-20 06:59:03,384 INFO L854 garLoopResultBuilder]: At program point L226(lines 218 227) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv4 32)) .cse1)) (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))))) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14|) (_ bv0 32)))) (and (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse3 (bvslt (bvand (_ bv2147483647 32) .cse2) (_ bv2139095040 32)))) (or (and .cse3 (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32))) (and (not .cse3) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)))))))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse4 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse5 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse5 (select |#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse5))) (_ bv1 1)))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2021-11-20 06:59:03,384 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-11-20 06:59:03,384 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-20 06:59:03,384 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:59:03,385 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-20 06:59:03,385 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-20 06:59:03,385 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-11-20 06:59:03,386 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-11-20 06:59:03,386 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 06:59:03,386 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 247) no Hoare annotation was computed. [2021-11-20 06:59:03,386 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-20 06:59:03,387 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-20 06:59:03,387 INFO L858 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2021-11-20 06:59:03,387 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-20 06:59:03,387 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-20 06:59:03,388 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-20 06:59:03,388 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv4 32)) .cse1)) (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse2) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (bvslt (bvand (_ bv2147483647 32) .cse3) (_ bv2139095040 32))))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27|))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse4 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse5 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd .cse5 (select |#valid| (_ bv5 32)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg .cse5))) (_ bv1 1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:59:03,389 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-11-20 06:59:03,389 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-20 06:59:03,389 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-20 06:59:03,390 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:59:03,390 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 245) no Hoare annotation was computed. [2021-11-20 06:59:03,390 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-11-20 06:59:03,391 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-11-20 06:59:03,391 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-20 06:59:03,391 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-20 06:59:03,391 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-11-20 06:59:03,392 INFO L854 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (and (= |old(#valid)| |#valid|) (= |old(#memory_int)| |#memory_int|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))))) [2021-11-20 06:59:03,392 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-11-20 06:59:03,392 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-11-20 06:59:03,392 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-20 06:59:03,392 INFO L854 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (and (= |old(#valid)| |#valid|) (= |atan_float_#in~x| atan_float_~x) (= |old(#memory_int)| |#memory_int|)) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))))) [2021-11-20 06:59:03,392 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-20 06:59:03,393 INFO L854 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (and (exists ((|v_atan_float_~#gf_u~1.base_20| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_35| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (select |old(#valid)| |v_atan_float_~#gf_u~1.base_20|))))))) (= (store |old(#memory_int)| |v_atan_float_~#gf_u~1.base_20| (store (select |old(#memory_int)| |v_atan_float_~#gf_u~1.base_20|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_35|)) |#memory_int|))) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvsge (bvand (_ bv2147483647 32) atan_float_~hx~0) (_ bv1350565888 32))) (= |atan_float_#in~x| (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0))))) (= |atan_float_#in~x| atan_float_~x) (= |atan_float_#in~x| (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))))) [2021-11-20 06:59:03,393 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-20 06:59:03,393 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-11-20 06:59:03,393 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-11-20 06:59:03,394 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-11-20 06:59:03,394 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-11-20 06:59:03,394 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-20 06:59:03,394 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-11-20 06:59:03,395 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-11-20 06:59:03,395 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-20 06:59:03,395 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-11-20 06:59:03,396 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-11-20 06:59:03,396 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-11-20 06:59:03,396 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-11-20 06:59:03,396 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-11-20 06:59:03,401 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:03,403 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:59:03,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,428 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,441 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,441 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,442 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,442 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,443 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,443 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,443 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,485 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] [2021-11-20 06:59:03,486 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] [2021-11-20 06:59:03,486 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] [2021-11-20 06:59:03,486 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] [2021-11-20 06:59:03,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,494 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] [2021-11-20 06:59:03,494 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] [2021-11-20 06:59:03,495 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] [2021-11-20 06:59:03,495 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] [2021-11-20 06:59:03,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,502 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:59:03 BoogieIcfgContainer [2021-11-20 06:59:03,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:59:03,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:59:03,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:59:03,510 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:59:03,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:51:59" (3/4) ... [2021-11-20 06:59:03,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:59:03,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-20 06:59:03,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-11-20 06:59:03,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2021-11-20 06:59:03,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-20 06:59:03,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 06:59:03,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:59:03,587 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2021-11-20 06:59:03,588 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[4bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_9), 1bv1))) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][22:0]) && ((~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 1bv32) || (!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 0bv32)))) && 4bv32 == atanhi_atan) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[5bv32]) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8)))), 1bv1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2021-11-20 06:59:03,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[4bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_9), 1bv1))) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0]) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && 4bv32 == atanhi_atan) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[5bv32]) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8)))), 1bv1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 06:59:03,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[4bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_9), 1bv1))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: (~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~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]) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0])) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && 4bv32 == atanhi_atan) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[5bv32]) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8)))), 1bv1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 06:59:03,591 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)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result [2021-11-20 06:59:03,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(4bv32 == atanhi_atan) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(atanlo_atan == 5bv32)) || !(pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) [2021-11-20 06:59:03,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:59:03,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:59:03,688 INFO L158 Benchmark]: Toolchain (without parser) took 438668.01ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 46.4MB in the beginning and 59.8MB in the end (delta: -13.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,689 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 67.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:59:03,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.48ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 58.7MB in the end (delta: -12.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.33ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,699 INFO L158 Benchmark]: Boogie Preprocessor took 93.26ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 53.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,700 INFO L158 Benchmark]: RCFGBuilder took 13750.45ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 53.2MB in the beginning and 80.0MB in the end (delta: -26.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,701 INFO L158 Benchmark]: TraceAbstraction took 424035.78ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 68.3MB in the end (delta: 11.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,702 INFO L158 Benchmark]: Witness Printer took 178.30ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 59.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:59:03,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 67.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.48ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 58.7MB in the end (delta: -12.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.33ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.26ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 53.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 13750.45ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 53.2MB in the beginning and 80.0MB in the end (delta: -26.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 424035.78ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 68.3MB in the end (delta: 11.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Witness Printer took 178.30ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 59.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,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 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_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,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 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_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 245]: 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, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 423.8s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 159.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 93.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 33 mSolverCounterUnknown, 562 SdHoareTripleChecker+Valid, 100.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 552 mSDsluCounter, 7311 SdHoareTripleChecker+Invalid, 97.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 630 IncrementalHoareTripleChecker+Unchecked, 6163 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 1148 mSDtfsCounter, 346 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 530 SyntacticMatches, 13 SemanticMatches, 156 ConstructedPredicates, 10 IntricatePredicates, 1 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 108.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 51 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 46 PreInvPairs, 58 NumberOfFragments, 1066 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 1922 FormulaSimplificationTreeSizeReductionInter, 93.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 18.7s SatisfiabilityAnalysisTime, 147.8s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 674 ConstructedInterpolants, 361 QuantifiedInterpolants, 16089 SizeOfPredicates, 111 NumberOfNonLiveVariables, 1856 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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: 218]: Loop Invariant [2021-11-20 06:59:03,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,758 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,758 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,759 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:59:03,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,770 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[4bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_9), 1bv1))) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][22:0]) && ((~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 1bv32) || (!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 0bv32)))) && 4bv32 == atanhi_atan) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[5bv32]) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8)))), 1bv1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 124]: Loop Invariant [2021-11-20 06:59:03,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,778 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,788 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[4bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_9), 1bv1))) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0]) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && 4bv32 == atanhi_atan) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[5bv32]) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8)))), 1bv1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2021-11-20 06:59:03,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,796 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,796 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,796 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,798 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)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2021-11-20 06:59:03,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,800 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!(4bv32 == atanhi_atan) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(atanlo_atan == 5bv32)) || !(pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) - InvariantResult [Line: 130]: Loop Invariant [2021-11-20 06:59:03,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,803 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] [2021-11-20 06:59:03,803 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] [2021-11-20 06:59:03,803 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] [2021-11-20 06:59:03,803 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] [2021-11-20 06:59:03,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,808 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:59:03,812 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] [2021-11-20 06:59:03,813 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] [2021-11-20 06:59:03,813 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] [2021-11-20 06:59:03,813 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] [2021-11-20 06:59:03,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:59:03,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27,QUANTIFIED] [2021-11-20 06:59:03,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:59:03,816 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[4bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_9), 1bv1))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: (~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~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]) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0])) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && 4bv32 == atanhi_atan) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_27])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[5bv32]) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8)))), 1bv1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 220]: Loop Invariant [2021-11-20 06:59:03,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,826 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:59:03,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:59:03,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:59:04,059 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 06:59:04,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a0c9d5-70d2-491e-b3de-9e77b47432ca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE