./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg --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 ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg --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 ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:50:22,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:50:22,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:50:22,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:50:22,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:50:22,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:50:22,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:50:22,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:50:22,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:50:22,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:50:22,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:50:22,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:50:22,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:50:22,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:50:22,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:50:22,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:50:22,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:50:22,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:50:22,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:50:22,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:50:22,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:50:22,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:50:22,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:50:22,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:50:22,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:50:22,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:50:22,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:50:22,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:50:22,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:50:22,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:50:22,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:50:22,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:50:22,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:50:22,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:50:22,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:50:22,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:50:22,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:50:22,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:50:22,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:50:22,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:50:22,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:50:22,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:50:22,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:50:22,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:50:22,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:50:22,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:50:22,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:50:22,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:50:22,634 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:50:22,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:50:22,634 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:50:22,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:50:22,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:50:22,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:50:22,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:50:22,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:50:22,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:50:22,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:50:22,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:50:22,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:50:22,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:50:22,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:50:22,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:50:22,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:50:22,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:50:22,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:50:22,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:50:22,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:50:22,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:50:22,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:50:22,642 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:50:22,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:50:22,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:50:22,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:50:22,645 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_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2021-10-28 09:50:23,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:50:23,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:50:23,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:50:23,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:50:23,102 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:50:23,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-28 09:50:23,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/88b611f3f/8ae396ff7b2f439b8355398c8c4116a5/FLAGa6a3cd950 [2021-10-28 09:50:23,875 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:50:23,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-28 09:50:23,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/88b611f3f/8ae396ff7b2f439b8355398c8c4116a5/FLAGa6a3cd950 [2021-10-28 09:50:24,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/88b611f3f/8ae396ff7b2f439b8355398c8c4116a5 [2021-10-28 09:50:24,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:50:24,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:50:24,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:24,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:50:24,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:50:24,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3cc5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24, skipping insertion in model container [2021-10-28 09:50:24,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:50:24,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:50:24,557 WARN L228 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_f50f1be4-0b60-42a4-9486-5a410a8288d5/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-28 09:50:24,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:24,573 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:50:24,643 WARN L228 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_f50f1be4-0b60-42a4-9486-5a410a8288d5/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-28 09:50:24,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:24,668 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:50:24,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24 WrapperNode [2021-10-28 09:50:24,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:24,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:24,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:50:24,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:50:24,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:24,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:50:24,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:50:24,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:50:24,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:50:24,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:50:24,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:50:24,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:50:24,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (1/1) ... [2021-10-28 09:50:24,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:50:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:24,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:24,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:50:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:50:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:50:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 09:50:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:50:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 09:50:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:50:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:50:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:50:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-28 09:50:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:50:25,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:50:25,885 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2021-10-28 09:50:25,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:25 BoogieIcfgContainer [2021-10-28 09:50:25,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:50:25,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:50:25,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:50:25,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:50:25,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:50:24" (1/3) ... [2021-10-28 09:50:25,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2069bfde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:50:25, skipping insertion in model container [2021-10-28 09:50:25,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:24" (2/3) ... [2021-10-28 09:50:25,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2069bfde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:50:25, skipping insertion in model container [2021-10-28 09:50:25,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:25" (3/3) ... [2021-10-28 09:50:25,900 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2021-10-28 09:50:25,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:50:25,907 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:50:25,969 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:50:25,977 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 [2021-10-28 09:50:25,979 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:50:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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) [2021-10-28 09:50:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 09:50:26,012 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:26,013 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:26,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:26,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:26,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2021-10-28 09:50:26,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:26,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310866962] [2021-10-28 09:50:26,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:26,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:26,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:26,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310866962] [2021-10-28 09:50:26,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310866962] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:26,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:26,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:50:26,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497037576] [2021-10-28 09:50:26,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:50:26,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:26,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:50:26,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:50:26,333 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2021-10-28 09:50:26,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:26,394 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2021-10-28 09:50:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:50:26,396 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 [2021-10-28 09:50:26,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:26,409 INFO L225 Difference]: With dead ends: 224 [2021-10-28 09:50:26,409 INFO L226 Difference]: Without dead ends: 111 [2021-10-28 09:50:26,413 INFO L786 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 [2021-10-28 09:50:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-28 09:50:26,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-28 09:50:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 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) [2021-10-28 09:50:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2021-10-28 09:50:26,489 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2021-10-28 09:50:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:26,490 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2021-10-28 09:50:26,490 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) [2021-10-28 09:50:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2021-10-28 09:50:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:50:26,500 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:26,500 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:26,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:50:26,501 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:26,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2021-10-28 09:50:26,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:26,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474640414] [2021-10-28 09:50:26,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:26,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:26,665 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:26,875 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:26,876 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:50:26,878 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:50:26,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:50:26,887 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:50:26,889 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:50:26,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:50:26 BoogieIcfgContainer [2021-10-28 09:50:26,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:50:26,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:50:26,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:50:26,940 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:50:26,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:25" (3/4) ... [2021-10-28 09:50:26,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:50:26,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:50:26,947 INFO L168 Benchmark]: Toolchain (without parser) took 2748.31 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 51.9 MB in the beginning and 66.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,948 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:26,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.51 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 51.7 MB in the beginning and 83.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.57 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 79.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,951 INFO L168 Benchmark]: Boogie Preprocessor took 102.79 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 76.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,952 INFO L168 Benchmark]: RCFGBuilder took 1018.32 ms. Allocated memory is still 111.1 MB. Free memory was 76.7 MB in the beginning and 76.7 MB in the end (delta: -61.8 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,952 INFO L168 Benchmark]: TraceAbstraction took 1048.30 ms. Allocated memory is still 111.1 MB. Free memory was 76.3 MB in the beginning and 66.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,953 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 111.1 MB. Free memory was 66.8 MB in the beginning and 66.2 MB in the end (delta: 547.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:26,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.51 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 51.7 MB in the beginning and 83.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.57 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 79.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.79 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 76.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1018.32 ms. Allocated memory is still 111.1 MB. Free memory was 76.7 MB in the beginning and 76.7 MB in the end (delta: -61.8 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1048.30 ms. Allocated memory is still 111.1 MB. Free memory was 76.3 MB in the beginning and 66.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.87 ms. Allocated memory is still 111.1 MB. Free memory was 66.8 MB in the beginning and 66.2 MB in the end (delta: 547.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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: 236]: 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 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] 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, }; [L52-L54] 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; [L120-L121] 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={9:0}, atanlo_atan={7:0}, 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] [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L15] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L232] float res = __ieee754_atan2f(y, x); [L15] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L235] COND TRUE !isnan_float(res) [L236] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=115occurred 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, 30 NumberOfCodeBlocks, 30 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 [2021-10-28 09:50:27,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:50:30,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:50:30,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:50:30,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:50:30,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:50:30,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:50:30,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:50:30,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:50:30,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:50:30,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:50:30,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:50:30,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:50:30,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:50:30,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:50:30,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:50:30,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:50:30,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:50:30,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:50:30,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:50:30,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:50:30,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:50:30,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:50:30,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:50:30,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:50:30,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:50:30,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:50:30,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:50:30,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:50:30,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:50:30,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:50:30,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:50:30,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:50:30,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:50:30,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:50:30,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:50:30,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:50:30,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:50:30,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:50:30,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:50:30,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:50:30,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:50:30,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:50:30,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:50:30,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:50:30,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:50:30,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:50:30,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:50:30,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:50:30,225 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:50:30,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:50:30,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:50:30,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:50:30,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:50:30,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:50:30,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:50:30,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:50:30,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:50:30,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:50:30,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:50:30,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:50:30,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:50:30,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:50:30,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:50:30,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:50:30,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:50:30,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:50:30,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:50:30,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:50:30,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:50:30,231 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:50:30,231 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:50:30,231 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:50:30,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:50:30,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:50:30,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:50:30,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:50:30,233 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_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2021-10-28 09:50:30,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:50:30,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:50:30,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:50:30,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:50:30,778 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:50:30,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-28 09:50:30,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/d71d4e5c3/ca3b131a765249fe99d497e5e5cba3c9/FLAGf735af537 [2021-10-28 09:50:31,621 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:50:31,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-28 09:50:31,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/d71d4e5c3/ca3b131a765249fe99d497e5e5cba3c9/FLAGf735af537 [2021-10-28 09:50:31,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/data/d71d4e5c3/ca3b131a765249fe99d497e5e5cba3c9 [2021-10-28 09:50:31,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:50:31,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:50:31,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:31,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:50:31,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:50:31,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:31" (1/1) ... [2021-10-28 09:50:31,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1924e019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:31, skipping insertion in model container [2021-10-28 09:50:31,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:31" (1/1) ... [2021-10-28 09:50:31,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:50:31,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:50:32,243 WARN L228 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_f50f1be4-0b60-42a4-9486-5a410a8288d5/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-28 09:50:32,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:32,289 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:50:32,431 WARN L228 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_f50f1be4-0b60-42a4-9486-5a410a8288d5/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-28 09:50:32,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:32,492 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:50:32,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32 WrapperNode [2021-10-28 09:50:32,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:32,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:32,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:50:32,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:50:32,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:32,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:50:32,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:50:32,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:50:32,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:50:32,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:50:32,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:50:32,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:50:32,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (1/1) ... [2021-10-28 09:50:32,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:50:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:32,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:32,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:50:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-28 09:50:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:50:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:50:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-28 09:50:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:50:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:50:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:50:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-28 09:50:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:50:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:51:02,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:51:02,358 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2021-10-28 09:51:02,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:02 BoogieIcfgContainer [2021-10-28 09:51:02,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:51:02,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:51:02,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:51:02,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:51:02,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:50:31" (1/3) ... [2021-10-28 09:51:02,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dedb792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:51:02, skipping insertion in model container [2021-10-28 09:51:02,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:32" (2/3) ... [2021-10-28 09:51:02,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dedb792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:51:02, skipping insertion in model container [2021-10-28 09:51:02,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:02" (3/3) ... [2021-10-28 09:51:02,372 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2021-10-28 09:51:02,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:51:02,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:51:02,437 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:51:02,445 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 [2021-10-28 09:51:02,445 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:51:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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) [2021-10-28 09:51:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 09:51:02,476 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:51:02,477 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:51:02,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:51:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2021-10-28 09:51:02,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:51:02,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526083968] [2021-10-28 09:51:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:02,503 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:51:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:51:02,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:51:02,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:51:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:03,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 09:51:03,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:51:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:04,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:51:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:04,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:51:04,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526083968] [2021-10-28 09:51:04,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526083968] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:04,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:04,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:51:04,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319408765] [2021-10-28 09:51:04,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:51:04,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:51:04,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:51:04,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:51:04,290 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2021-10-28 09:51:04,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:51:04,350 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2021-10-28 09:51:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:51:04,352 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 [2021-10-28 09:51:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:51:04,370 INFO L225 Difference]: With dead ends: 224 [2021-10-28 09:51:04,370 INFO L226 Difference]: Without dead ends: 111 [2021-10-28 09:51:04,377 INFO L786 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 [2021-10-28 09:51:04,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-28 09:51:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-28 09:51:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 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) [2021-10-28 09:51:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2021-10-28 09:51:04,444 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2021-10-28 09:51:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:51:04,445 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2021-10-28 09:51:04,445 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) [2021-10-28 09:51:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2021-10-28 09:51:04,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:51:04,447 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:51:04,447 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:51:04,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:04,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:51:04,652 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:51:04,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:04,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2021-10-28 09:51:04,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:51:04,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847520376] [2021-10-28 09:51:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:04,656 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:51:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:51:04,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:51:04,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:51:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:05,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:51:05,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:51:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:08,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:51:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:17,419 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:51:17,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847520376] [2021-10-28 09:51:17,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847520376] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:17,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:17,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2021-10-28 09:51:17,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025064690] [2021-10-28 09:51:17,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-28 09:51:17,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:51:17,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 09:51:17,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-28 09:51:17,424 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2021-10-28 09:52:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:52:51,315 INFO L93 Difference]: Finished difference Result 236 states and 331 transitions. [2021-10-28 09:52:51,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:52:51,327 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-28 09:52:51,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:52:51,331 INFO L225 Difference]: With dead ends: 236 [2021-10-28 09:52:51,331 INFO L226 Difference]: Without dead ends: 231 [2021-10-28 09:52:51,333 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2021-10-28 09:52:51,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-10-28 09:52:51,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 119. [2021-10-28 09:52:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 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) [2021-10-28 09:52:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-10-28 09:52:51,353 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2021-10-28 09:52:51,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:52:51,354 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-10-28 09:52:51,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2021-10-28 09:52:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-10-28 09:52:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:52:51,356 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:52:51,357 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:52:51,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:51,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:52:51,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:52:51,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:51,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2021-10-28 09:52:51,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:52:51,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500324926] [2021-10-28 09:52:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:51,560 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:52:51,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:52:51,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:52:51,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:52:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:52,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:52:52,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:52:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:52:55,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:53:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:02,386 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:53:02,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500324926] [2021-10-28 09:53:02,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500324926] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:02,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:02,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-10-28 09:53:02,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150385443] [2021-10-28 09:53:02,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 09:53:02,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:53:02,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 09:53:02,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:53:02,389 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:54:52,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:54:52,914 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2021-10-28 09:54:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:54:52,924 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 09:54:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:54:52,927 INFO L225 Difference]: With dead ends: 236 [2021-10-28 09:54:52,927 INFO L226 Difference]: Without dead ends: 231 [2021-10-28 09:54:52,928 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-10-28 09:54:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-10-28 09:54:52,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 124. [2021-10-28 09:54:52,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:54:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-10-28 09:54:52,945 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2021-10-28 09:54:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:54:52,945 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-10-28 09:54:52,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:54:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-10-28 09:54:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:54:52,948 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:54:52,948 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:52,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-28 09:54:53,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:54:53,171 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:54:53,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2021-10-28 09:54:53,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:54:53,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013496821] [2021-10-28 09:54:53,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:53,174 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:54:53,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:54:53,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:54:53,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:54:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:54,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:54:54,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:54:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:54:55,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:54:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:54:57,161 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:54:57,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013496821] [2021-10-28 09:54:57,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013496821] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:57,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:57,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-28 09:54:57,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741641207] [2021-10-28 09:54:57,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 09:54:57,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:54:57,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:54:57,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:54:57,164 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2021-10-28 09:55:00,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:00,113 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2021-10-28 09:55:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:55:00,114 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-28 09:55:00,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:00,116 INFO L225 Difference]: With dead ends: 227 [2021-10-28 09:55:00,116 INFO L226 Difference]: Without dead ends: 121 [2021-10-28 09:55:00,118 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2021-10-28 09:55:00,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-28 09:55:00,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2021-10-28 09:55:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 110 states have internal predecessors, (157), 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) [2021-10-28 09:55:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2021-10-28 09:55:00,129 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2021-10-28 09:55:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:00,130 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2021-10-28 09:55:00,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2021-10-28 09:55:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-10-28 09:55:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:55:00,132 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:00,132 INFO L513 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] [2021-10-28 09:55:00,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:00,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:00,339 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:55:00,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:00,340 INFO L85 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2021-10-28 09:55:00,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:00,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14715645] [2021-10-28 09:55:00,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:00,341 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:00,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:00,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:55:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:01,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:55:01,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:02,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:03,219 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:03,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14715645] [2021-10-28 09:55:03,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14715645] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:03,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:03,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2021-10-28 09:55:03,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859978901] [2021-10-28 09:55:03,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:55:03,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:03,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:55:03,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:55:03,222 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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) [2021-10-28 09:55:04,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:04,891 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2021-10-28 09:55:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:55:04,892 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 [2021-10-28 09:55:04,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:04,892 INFO L225 Difference]: With dead ends: 111 [2021-10-28 09:55:04,892 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:55:04,893 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:55:04,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:55:04,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:55:04,894 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) [2021-10-28 09:55:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:55:04,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-28 09:55:04,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:04,895 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:04,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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) [2021-10-28 09:55:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:55:04,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:55:04,899 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:55:04,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:05,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:05,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:55:05,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:05,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:07,343 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2021-10-28 09:55:07,343 INFO L853 garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2021-10-28 09:55:07,344 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 72) no Hoare annotation was computed. [2021-10-28 09:55:07,344 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2021-10-28 09:55:07,344 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-10-28 09:55:07,344 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-28 09:55:07,344 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-28 09:55:07,344 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-10-28 09:55:07,345 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2021-10-28 09:55:07,345 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 182) no Hoare annotation was computed. [2021-10-28 09:55:07,345 INFO L857 garLoopResultBuilder]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2021-10-28 09:55:07,345 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2021-10-28 09:55:07,346 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 99) no Hoare annotation was computed. [2021-10-28 09:55:07,346 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2021-10-28 09:55:07,346 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-10-28 09:55:07,346 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 142) no Hoare annotation was computed. [2021-10-28 09:55:07,346 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 78) no Hoare annotation was computed. [2021-10-28 09:55:07,347 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2021-10-28 09:55:07,347 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2021-10-28 09:55:07,347 INFO L857 garLoopResultBuilder]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2021-10-28 09:55:07,347 INFO L860 garLoopResultBuilder]: At program point L241(lines 220 242) the Hoare annotation is: true [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed. [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 155) no Hoare annotation was computed. [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-10-28 09:55:07,348 INFO L857 garLoopResultBuilder]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2021-10-28 09:55:07,349 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2021-10-28 09:55:07,349 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 154) no Hoare annotation was computed. [2021-10-28 09:55:07,349 INFO L857 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2021-10-28 09:55:07,349 INFO L857 garLoopResultBuilder]: For program point L180(line 180) no Hoare annotation was computed. [2021-10-28 09:55:07,349 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-10-28 09:55:07,350 INFO L857 garLoopResultBuilder]: For program point L147-2(line 147) no Hoare annotation was computed. [2021-10-28 09:55:07,350 INFO L853 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (not .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 09:55:07,350 INFO L853 garLoopResultBuilder]: At program point L15-1(line 15) the Hoare annotation is: (let ((.cse3 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse2 (not .cse3)) (.cse1 (not |ULTIMATE.start_main_#t~short46|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and |ULTIMATE.start_main_#t~short46| (not .cse0)) (and .cse0 .cse1))) (or (and .cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse3)) (or .cse2 .cse1) (= currentRoundingMode roundNearestTiesToEven)))) [2021-10-28 09:55:07,350 INFO L853 garLoopResultBuilder]: At program point L15-2(line 15) the Hoare annotation is: (let ((.cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1 .cse2) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 .cse2))) [2021-10-28 09:55:07,351 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-28 09:55:07,351 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 98) no Hoare annotation was computed. [2021-10-28 09:55:07,351 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2021-10-28 09:55:07,351 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 09:55:07,352 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 09:55:07,352 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-10-28 09:55:07,352 INFO L857 garLoopResultBuilder]: For program point L116-2(line 116) no Hoare annotation was computed. [2021-10-28 09:55:07,352 INFO L853 garLoopResultBuilder]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2021-10-28 09:55:07,353 INFO L857 garLoopResultBuilder]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2021-10-28 09:55:07,353 INFO L857 garLoopResultBuilder]: For program point L116-4(line 116) no Hoare annotation was computed. [2021-10-28 09:55:07,353 INFO L857 garLoopResultBuilder]: For program point L116-6(line 116) no Hoare annotation was computed. [2021-10-28 09:55:07,353 INFO L853 garLoopResultBuilder]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2021-10-28 09:55:07,353 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-10-28 09:55:07,353 INFO L857 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-10-28 09:55:07,353 INFO L853 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-10-28 09:55:07,354 INFO L857 garLoopResultBuilder]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2021-10-28 09:55:07,354 INFO L853 garLoopResultBuilder]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2021-10-28 09:55:07,354 INFO L857 garLoopResultBuilder]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2021-10-28 09:55:07,354 INFO L853 garLoopResultBuilder]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2021-10-28 09:55:07,355 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:55:07,355 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 09:55:07,355 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-28 09:55:07,355 INFO L857 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-10-28 09:55:07,356 INFO L853 garLoopResultBuilder]: At program point L123(lines 123 218) the Hoare annotation is: (let ((.cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1 .cse2) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 .cse2))) [2021-10-28 09:55:07,356 INFO L857 garLoopResultBuilder]: For program point L24(lines 24 28) no Hoare annotation was computed. [2021-10-28 09:55:07,356 INFO L857 garLoopResultBuilder]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2021-10-28 09:55:07,356 INFO L857 garLoopResultBuilder]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2021-10-28 09:55:07,357 INFO L857 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2021-10-28 09:55:07,357 INFO L857 garLoopResultBuilder]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2021-10-28 09:55:07,357 INFO L857 garLoopResultBuilder]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2021-10-28 09:55:07,357 INFO L857 garLoopResultBuilder]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2021-10-28 09:55:07,358 INFO L857 garLoopResultBuilder]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2021-10-28 09:55:07,358 INFO L857 garLoopResultBuilder]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2021-10-28 09:55:07,358 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:55:07,358 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 195) no Hoare annotation was computed. [2021-10-28 09:55:07,358 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 97) no Hoare annotation was computed. [2021-10-28 09:55:07,359 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2021-10-28 09:55:07,359 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2021-10-28 09:55:07,359 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2021-10-28 09:55:07,359 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 09:55:07,360 INFO L857 garLoopResultBuilder]: For program point L158-2(line 158) no Hoare annotation was computed. [2021-10-28 09:55:07,360 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 195) no Hoare annotation was computed. [2021-10-28 09:55:07,360 INFO L857 garLoopResultBuilder]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2021-10-28 09:55:07,360 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2021-10-28 09:55:07,361 INFO L853 garLoopResultBuilder]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2021-10-28 09:55:07,361 INFO L857 garLoopResultBuilder]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2021-10-28 09:55:07,361 INFO L857 garLoopResultBuilder]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2021-10-28 09:55:07,361 INFO L853 garLoopResultBuilder]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2021-10-28 09:55:07,362 INFO L857 garLoopResultBuilder]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2021-10-28 09:55:07,362 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 184) no Hoare annotation was computed. [2021-10-28 09:55:07,362 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2021-10-28 09:55:07,362 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-10-28 09:55:07,363 INFO L853 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse0 .cse1) (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1))) [2021-10-28 09:55:07,363 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:55:07,363 INFO L857 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-10-28 09:55:07,363 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 183) no Hoare annotation was computed. [2021-10-28 09:55:07,364 INFO L853 garLoopResultBuilder]: At program point L29(lines 17 30) the Hoare annotation is: false [2021-10-28 09:55:07,364 INFO L853 garLoopResultBuilder]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2021-10-28 09:55:07,364 INFO L853 garLoopResultBuilder]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2021-10-28 09:55:07,364 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 171) no Hoare annotation was computed. [2021-10-28 09:55:07,365 INFO L857 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2021-10-28 09:55:07,365 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 217) no Hoare annotation was computed. [2021-10-28 09:55:07,365 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2021-10-28 09:55:07,365 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-28 09:55:07,366 INFO L857 garLoopResultBuilder]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2021-10-28 09:55:07,366 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 09:55:07,366 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:55:07,366 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2021-10-28 09:55:07,367 INFO L857 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-10-28 09:55:07,367 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-10-28 09:55:07,367 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2021-10-28 09:55:07,367 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-28 09:55:07,367 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2021-10-28 09:55:07,368 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 137) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1) (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse3 .cse3))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse0 .cse1))) [2021-10-28 09:55:07,368 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 68) no Hoare annotation was computed. [2021-10-28 09:55:07,368 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2021-10-28 09:55:07,369 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2021-10-28 09:55:07,369 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 09:55:07,373 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 09:55:07,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:55:07,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,395 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,395 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,396 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,396 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,397 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,397 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,399 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,402 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,403 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,405 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,408 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,408 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,410 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:55:07 BoogieIcfgContainer [2021-10-28 09:55:07,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:55:07,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:55:07,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:55:07,413 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:55:07,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:02" (3/4) ... [2021-10-28 09:55:07,417 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:55:07,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-10-28 09:55:07,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-28 09:55:07,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:55:07,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:55:07,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (!~fp.eq~FLOAT(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 09:55:07,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) && ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) || (0bv32 == \result && ~fp.eq~FLOAT(y, y)))) && (!~fp.eq~FLOAT(y, y) || !aux-isnan_float(x) || isnan_float(y)-aux)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 09:55:07,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-28 09:55:07,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]))) && !~fp.eq~FLOAT(x, x)) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-28 09:55:07,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-28 09:55:07,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-28 09:55:07,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:55:07,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:55:07,603 INFO L168 Benchmark]: Toolchain (without parser) took 275681.81 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 29.2 MB in the beginning and 43.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,603 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 33.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:55:07,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.81 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 29.0 MB in the beginning and 50.7 MB in the end (delta: -21.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.50 ms. Allocated memory is still 71.3 MB. Free memory was 50.5 MB in the beginning and 47.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,605 INFO L168 Benchmark]: Boogie Preprocessor took 82.11 ms. Allocated memory is still 71.3 MB. Free memory was 47.1 MB in the beginning and 43.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,606 INFO L168 Benchmark]: RCFGBuilder took 29670.73 ms. Allocated memory is still 71.3 MB. Free memory was 43.7 MB in the beginning and 45.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,606 INFO L168 Benchmark]: TraceAbstraction took 245047.94 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 26.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,607 INFO L168 Benchmark]: Witness Printer took 188.65 ms. Allocated memory is still 71.3 MB. Free memory was 26.5 MB in the beginning and 43.6 MB in the end (delta: -17.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:07,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 33.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.81 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 29.0 MB in the beginning and 50.7 MB in the end (delta: -21.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.50 ms. Allocated memory is still 71.3 MB. Free memory was 50.5 MB in the beginning and 47.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.11 ms. Allocated memory is still 71.3 MB. Free memory was 47.1 MB in the beginning and 43.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 29670.73 ms. Allocated memory is still 71.3 MB. Free memory was 43.7 MB in the beginning and 45.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 245047.94 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 26.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Witness Printer took 188.65 ms. Allocated memory is still 71.3 MB. Free memory was 26.5 MB in the beginning and 43.6 MB in the end (delta: -17.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 * 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: 236]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 244.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 209.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 666 SDtfs, 2342 SDslu, 3304 SDs, 0 SdLazy, 999 SolverSat, 48 SolverUnsat, 41 SolverUnknown, 0 SolverNotchecked, 192.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 26.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, InterpolantAutomatonStates: 40, 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, 5 MinimizatonAttempts, 229 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 251 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 18 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 26.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 1076 SizeOfPredicates, 53 NumberOfNonLiveVariables, 618 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-10-28 09:55:07,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,630 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (!~fp.eq~FLOAT(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant [2021-10-28 09:55:07,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,633 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,633 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-10-28 09:55:07,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 133]: Loop Invariant [2021-10-28 09:55:07,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-28 09:55:07,647 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]))) && !~fp.eq~FLOAT(x, x)) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant [2021-10-28 09:55:07,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,649 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,651 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,652 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2021-10-28 09:55:07,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:55:07,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) && ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) || (0bv32 == \result && ~fp.eq~FLOAT(y, y)))) && (!~fp.eq~FLOAT(y, y) || !aux-isnan_float(x) || isnan_float(y)-aux)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:55:07,871 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-28 09:55:07,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f1be4-0b60-42a4-9486-5a410a8288d5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...