./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3056a4b69d64ad96b8ce8f2e45c980f4c3dd373f3ab0ec649937fe8cb85b92b ....................................................................................................................................................................................................................................................................................................................................... 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3056a4b69d64ad96b8ce8f2e45c980f4c3dd373f3ab0ec649937fe8cb85b92b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:39:58,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:39:58,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:39:58,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:39:58,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:39:58,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:39:58,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:39:58,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:39:58,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:39:58,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:39:58,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:39:58,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:39:58,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:39:58,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:39:58,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:39:58,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:39:58,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:39:58,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:39:58,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:39:58,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:39:58,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:39:58,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:39:58,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:39:58,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:39:58,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:39:58,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:39:58,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:39:58,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:39:58,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:39:58,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:39:58,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:39:58,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:39:58,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:39:58,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:39:58,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:39:58,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:39:58,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:39:58,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:39:58,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:39:58,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:39:58,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:39:58,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:39:58,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:39:58,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:39:58,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:39:58,888 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:39:58,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:39:58,889 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:39:58,890 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:39:58,890 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:39:58,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:39:58,891 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:39:58,892 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:39:58,893 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:39:58,893 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:39:58,894 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:39:58,894 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:39:58,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:39:58,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:39:58,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:39:58,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:39:58,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:39:58,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:39:58,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:39:58,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:39:58,898 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:39:58,898 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:39:58,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:39:58,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:39:58,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:39:58,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:39:58,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:39:58,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:39:58,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:39:58,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:39:58,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:39:58,902 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:39:58,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:39:58,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:39:58,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:39:58,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:39:58,904 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3056a4b69d64ad96b8ce8f2e45c980f4c3dd373f3ab0ec649937fe8cb85b92b [2021-10-29 04:39:59,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:39:59,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:39:59,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:39:59,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:39:59,513 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:39:59,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-29 04:39:59,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/ba079b19b/ab536184655c4894ba8e20593585d399/FLAG61e8455ea [2021-10-29 04:40:00,699 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:40:00,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-29 04:40:00,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/ba079b19b/ab536184655c4894ba8e20593585d399/FLAG61e8455ea [2021-10-29 04:40:00,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/ba079b19b/ab536184655c4894ba8e20593585d399 [2021-10-29 04:40:00,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:40:00,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:40:00,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:00,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:40:00,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:40:00,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:00" (1/1) ... [2021-10-29 04:40:00,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a301d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:00, skipping insertion in model container [2021-10-29 04:40:00,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:00" (1/1) ... [2021-10-29 04:40:00,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:40:01,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:01,520 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-29 04:40:01,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:01,542 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:40:01,652 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-29 04:40:01,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:01,676 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:40:01,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01 WrapperNode [2021-10-29 04:40:01,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:01,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:01,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:40:01,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:40:01,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:01,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:40:01,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:40:01,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:40:01,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:40:01,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:40:01,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:40:01,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:40:01,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (1/1) ... [2021-10-29 04:40:01,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:40:01,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:40:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:40:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:40:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:40:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-29 04:40:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:40:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-29 04:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:40:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:40:03,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:40:03,940 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-29 04:40:03,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:03 BoogieIcfgContainer [2021-10-29 04:40:03,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:40:03,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:40:03,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:40:03,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:40:03,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:40:00" (1/3) ... [2021-10-29 04:40:03,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24888160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:40:03, skipping insertion in model container [2021-10-29 04:40:03,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:01" (2/3) ... [2021-10-29 04:40:03,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24888160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:40:03, skipping insertion in model container [2021-10-29 04:40:03,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:03" (3/3) ... [2021-10-29 04:40:03,965 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2021-10-29 04:40:03,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:40:03,977 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:40:04,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:40:04,119 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=FINITE_AUTOMATA, 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 [2021-10-29 04:40:04,120 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 04:40:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.697674418604651) internal successors, (73), 44 states have internal predecessors, (73), 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) [2021-10-29 04:40:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:40:04,167 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:40:04,169 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:04,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:40:04,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:40:04,181 INFO L85 PathProgramCache]: Analyzing trace with hash -912941805, now seen corresponding path program 1 times [2021-10-29 04:40:04,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:40:04,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004659609] [2021-10-29 04:40:04,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:40:04,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:40:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:40:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:04,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:40:04,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004659609] [2021-10-29 04:40:04,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004659609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:40:04,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:40:04,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 04:40:04,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745289617] [2021-10-29 04:40:04,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:40:04,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:40:04,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:40:04,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:40:04,585 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.697674418604651) internal successors, (73), 44 states have internal predecessors, (73), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-29 04:40:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:40:04,621 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2021-10-29 04:40:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:40:04,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-29 04:40:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:40:04,643 INFO L225 Difference]: With dead ends: 89 [2021-10-29 04:40:04,643 INFO L226 Difference]: Without dead ends: 43 [2021-10-29 04:40:04,649 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 [2021-10-29 04:40:04,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-29 04:40:04,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-29 04:40:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 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) [2021-10-29 04:40:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2021-10-29 04:40:04,720 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2021-10-29 04:40:04,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:40:04,721 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2021-10-29 04:40:04,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-29 04:40:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-10-29 04:40:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:40:04,724 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:40:04,724 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:04,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 04:40:04,725 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:40:04,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:40:04,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1298883855, now seen corresponding path program 1 times [2021-10-29 04:40:04,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:40:04,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821986310] [2021-10-29 04:40:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:40:04,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:40:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:40:04,869 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:40:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:40:04,969 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 04:40:04,969 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 04:40:04,973 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:40:04,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 04:40:04,985 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 04:40:04,990 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:40:05,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:40:05 BoogieIcfgContainer [2021-10-29 04:40:05,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:40:05,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:40:05,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:40:05,095 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:40:05,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:03" (3/4) ... [2021-10-29 04:40:05,102 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 04:40:05,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:40:05,108 INFO L168 Benchmark]: Toolchain (without parser) took 4186.87 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 64.6 MB in the beginning and 80.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:05,110 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 104.9 MB. Free memory is still 81.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:40:05,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.98 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 75.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:05,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.98 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 72.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:05,127 INFO L168 Benchmark]: Boogie Preprocessor took 118.40 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 70.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:05,129 INFO L168 Benchmark]: RCFGBuilder took 2058.11 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 70.8 MB in the beginning and 107.3 MB in the end (delta: -36.5 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:05,130 INFO L168 Benchmark]: TraceAbstraction took 1141.17 ms. Allocated memory is still 138.4 MB. Free memory was 106.2 MB in the beginning and 80.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:05,131 INFO L168 Benchmark]: Witness Printer took 8.32 ms. Allocated memory is still 138.4 MB. Free memory is still 80.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:40:05,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 104.9 MB. Free memory is still 81.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 751.98 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 75.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.98 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 72.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 118.40 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 70.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2058.11 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 70.8 MB in the beginning and 107.3 MB in the end (delta: -36.5 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1141.17 ms. Allocated memory is still 138.4 MB. Free memory was 106.2 MB in the beginning and 80.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 8.32 ms. Allocated memory is still 138.4 MB. Free memory is still 80.2 MB. There was no memory consumed. 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: 242]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L237] double x = 0.0; [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 58 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=45occurred 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, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2021-10-29 04:40:05,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/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 [2021-10-29 04:40:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:40:08,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:40:08,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:40:08,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:40:08,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:40:08,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:40:08,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:40:08,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:40:08,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:40:08,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:40:08,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:40:08,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:40:08,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:40:08,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:40:08,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:40:08,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:40:08,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:40:08,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:40:08,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:40:08,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:40:08,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:40:08,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:40:08,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:40:08,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:40:08,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:40:08,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:40:08,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:40:08,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:40:08,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:40:08,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:40:08,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:40:08,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:40:08,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:40:08,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:40:08,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:40:08,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:40:08,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:40:08,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:40:08,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:40:08,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:40:08,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:40:09,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:40:09,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:40:09,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:40:09,056 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:40:09,056 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:40:09,057 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:40:09,057 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:40:09,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:40:09,058 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:40:09,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:40:09,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:40:09,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:40:09,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:40:09,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:40:09,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:40:09,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:40:09,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:40:09,062 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:40:09,063 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:40:09,063 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:40:09,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:40:09,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:40:09,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:40:09,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:40:09,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:40:09,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:40:09,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:09,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:40:09,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:40:09,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:40:09,067 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:40:09,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:40:09,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:40:09,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:40:09,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:40:09,069 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3056a4b69d64ad96b8ce8f2e45c980f4c3dd373f3ab0ec649937fe8cb85b92b [2021-10-29 04:40:09,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:40:09,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:40:09,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:40:09,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:40:09,680 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:40:09,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-29 04:40:09,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/8f3c5b9ee/c7be95e83f704ddc958bb1a2934582a4/FLAG68f30d60a [2021-10-29 04:40:10,870 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:40:10,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-29 04:40:10,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/8f3c5b9ee/c7be95e83f704ddc958bb1a2934582a4/FLAG68f30d60a [2021-10-29 04:40:10,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/data/8f3c5b9ee/c7be95e83f704ddc958bb1a2934582a4 [2021-10-29 04:40:10,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:40:10,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:40:10,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:10,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:40:10,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:40:10,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:10" (1/1) ... [2021-10-29 04:40:10,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3649477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:10, skipping insertion in model container [2021-10-29 04:40:10,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:10" (1/1) ... [2021-10-29 04:40:10,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:40:11,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:11,595 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-29 04:40:11,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:11,636 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:40:11,778 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_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-29 04:40:11,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:11,838 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:40:11,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11 WrapperNode [2021-10-29 04:40:11,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:11,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:11,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:40:11,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:40:11,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:11,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:11,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:11,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:40:11,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:40:11,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:40:11,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:11,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:40:12,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:40:12,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:40:12,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:40:12,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (1/1) ... [2021-10-29 04:40:12,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:40:12,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:40:12,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:40:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-29 04:40:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-29 04:40:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:40:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:40:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:40:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:40:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:40:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:40:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:40:34,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:40:34,684 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-29 04:40:34,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:34 BoogieIcfgContainer [2021-10-29 04:40:34,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:40:34,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:40:34,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:40:34,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:40:34,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:40:10" (1/3) ... [2021-10-29 04:40:34,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353fd6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:40:34, skipping insertion in model container [2021-10-29 04:40:34,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:11" (2/3) ... [2021-10-29 04:40:34,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353fd6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:40:34, skipping insertion in model container [2021-10-29 04:40:34,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:34" (3/3) ... [2021-10-29 04:40:34,700 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2021-10-29 04:40:34,709 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:40:34,709 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:40:34,788 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:40:34,796 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=FINITE_AUTOMATA, 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 [2021-10-29 04:40:34,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 04:40:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) [2021-10-29 04:40:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:40:34,825 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:40:34,826 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:34,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:40:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:40:34,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-10-29 04:40:34,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:40:34,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933833382] [2021-10-29 04:40:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:40:34,870 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:40:34,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:40:34,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:40:34,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:40:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:40:35,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:40:35,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:40:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:36,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:40:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:36,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:40:36,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933833382] [2021-10-29 04:40:36,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933833382] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:40:36,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:40:36,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:40:36,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121293972] [2021-10-29 04:40:36,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:40:36,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:40:36,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:40:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:40:36,508 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:40:36,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:40:36,558 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-10-29 04:40:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:40:36,560 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-29 04:40:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:40:36,576 INFO L225 Difference]: With dead ends: 140 [2021-10-29 04:40:36,577 INFO L226 Difference]: Without dead ends: 68 [2021-10-29 04:40:36,588 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:40:36,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-29 04:40:36,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-10-29 04:40:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 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) [2021-10-29 04:40:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-10-29 04:40:36,637 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-10-29 04:40:36,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:40:36,637 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-10-29 04:40:36,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:40:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-10-29 04:40:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:40:36,639 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:40:36,639 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:36,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:40:36,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:40:36,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:40:36,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:40:36,843 INFO L85 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-10-29 04:40:36,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:40:36,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583843681] [2021-10-29 04:40:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:40:36,845 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:40:36,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:40:36,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:40:36,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:40:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:40:42,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:40:42,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:40:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:44,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:40:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:46,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:40:46,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583843681] [2021-10-29 04:40:46,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583843681] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:40:46,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:40:46,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 04:40:46,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092106826] [2021-10-29 04:40:46,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:40:46,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:40:46,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:40:46,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:40:46,241 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:40:49,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:40:49,516 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2021-10-29 04:40:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:40:49,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-29 04:40:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:40:49,520 INFO L225 Difference]: With dead ends: 124 [2021-10-29 04:40:49,520 INFO L226 Difference]: Without dead ends: 65 [2021-10-29 04:40:49,522 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:40:49,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-29 04:40:49,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-29 04:40:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 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) [2021-10-29 04:40:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2021-10-29 04:40:49,538 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2021-10-29 04:40:49,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:40:49,539 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2021-10-29 04:40:49,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:40:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-10-29 04:40:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:40:49,541 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:40:49,541 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:49,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:40:49,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:40:49,757 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:40:49,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:40:49,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2021-10-29 04:40:49,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:40:49,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529305651] [2021-10-29 04:40:49,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:40:49,760 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:40:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:40:49,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:40:49,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:40:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:40:50,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 04:40:50,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:40:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:52,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:40:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:40:54,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:40:54,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529305651] [2021-10-29 04:40:54,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529305651] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:40:54,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:40:54,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 04:40:54,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810829239] [2021-10-29 04:40:54,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:40:54,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:40:54,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:40:54,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:40:54,177 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-29 04:40:55,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:40:55,990 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-10-29 04:40:55,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:40:55,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 12 [2021-10-29 04:40:55,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:40:55,995 INFO L225 Difference]: With dead ends: 69 [2021-10-29 04:40:55,996 INFO L226 Difference]: Without dead ends: 65 [2021-10-29 04:40:55,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:40:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-29 04:40:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-29 04:40:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 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) [2021-10-29 04:40:56,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2021-10-29 04:40:56,016 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2021-10-29 04:40:56,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:40:56,017 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2021-10-29 04:40:56,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-29 04:40:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-10-29 04:40:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:40:56,020 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:40:56,021 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, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:56,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:40:56,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:40:56,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:40:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:40:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2021-10-29 04:40:56,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:40:56,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865424380] [2021-10-29 04:40:56,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:40:56,245 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:40:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:40:56,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:40:56,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:41:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:04,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:41:04,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:07,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:17,458 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:17,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865424380] [2021-10-29 04:41:17,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865424380] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:17,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:17,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 04:41:17,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140597490] [2021-10-29 04:41:17,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:41:17,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:17,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:41:17,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:17,465 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:17,741 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2021-10-29 04:41:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:41:17,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 04:41:17,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:17,746 INFO L225 Difference]: With dead ends: 65 [2021-10-29 04:41:17,747 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:41:17,747 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:41:17,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:41:17,748 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) [2021-10-29 04:41:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:41:17,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-10-29 04:41:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:17,749 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:41:17,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:41:17,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:41:17,753 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:41:17,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:17,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:17,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:41:17,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:17,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:17,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:17,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:18,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:20,241 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 94) no Hoare annotation was computed. [2021-10-29 04:41:20,241 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2021-10-29 04:41:20,242 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-10-29 04:41:20,242 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2021-10-29 04:41:20,242 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2021-10-29 04:41:20,243 INFO L857 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-10-29 04:41:20,243 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2021-10-29 04:41:20,244 INFO L857 garLoopResultBuilder]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2021-10-29 04:41:20,244 INFO L857 garLoopResultBuilder]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2021-10-29 04:41:20,244 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:41:20,245 INFO L857 garLoopResultBuilder]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2021-10-29 04:41:20,245 INFO L853 garLoopResultBuilder]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2021-10-29 04:41:20,246 INFO L857 garLoopResultBuilder]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2021-10-29 04:41:20,246 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 195) no Hoare annotation was computed. [2021-10-29 04:41:20,246 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-29 04:41:20,247 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-29 04:41:20,247 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 88) no Hoare annotation was computed. [2021-10-29 04:41:20,247 INFO L857 garLoopResultBuilder]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2021-10-29 04:41:20,248 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-10-29 04:41:20,248 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-10-29 04:41:20,248 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2021-10-29 04:41:20,249 INFO L853 garLoopResultBuilder]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2021-10-29 04:41:20,249 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2021-10-29 04:41:20,250 INFO L857 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-29 04:41:20,250 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 111) no Hoare annotation was computed. [2021-10-29 04:41:20,250 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 91) no Hoare annotation was computed. [2021-10-29 04:41:20,251 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2021-10-29 04:41:20,251 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 222) no Hoare annotation was computed. [2021-10-29 04:41:20,251 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2021-10-29 04:41:20,252 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-10-29 04:41:20,252 INFO L857 garLoopResultBuilder]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2021-10-29 04:41:20,252 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:41:20,257 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 61) no Hoare annotation was computed. [2021-10-29 04:41:20,257 INFO L857 garLoopResultBuilder]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2021-10-29 04:41:20,258 INFO L853 garLoopResultBuilder]: At program point L141(lines 128 142) the Hoare annotation is: false [2021-10-29 04:41:20,258 INFO L853 garLoopResultBuilder]: At program point L125(lines 20 126) the Hoare annotation is: false [2021-10-29 04:41:20,258 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-10-29 04:41:20,259 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-10-29 04:41:20,259 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2021-10-29 04:41:20,259 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 244) no Hoare annotation was computed. [2021-10-29 04:41:20,260 INFO L857 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2021-10-29 04:41:20,260 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-10-29 04:41:20,260 INFO L857 garLoopResultBuilder]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2021-10-29 04:41:20,261 INFO L853 garLoopResultBuilder]: At program point L226(lines 160 227) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_asin_~hx~0))) (= ULTIMATE.start_main_~x~0 ULTIMATE.start___ieee754_asin_~x) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x)) [2021-10-29 04:41:20,261 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:41:20,262 INFO L853 garLoopResultBuilder]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2021-10-29 04:41:20,262 INFO L857 garLoopResultBuilder]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2021-10-29 04:41:20,262 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2021-10-29 04:41:20,262 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2021-10-29 04:41:20,263 INFO L857 garLoopResultBuilder]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2021-10-29 04:41:20,263 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-10-29 04:41:20,263 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= ULTIMATE.start_main_~x~0 ULTIMATE.start___ieee754_asin_~x) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-29 04:41:20,264 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-10-29 04:41:20,264 INFO L857 garLoopResultBuilder]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2021-10-29 04:41:20,264 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2021-10-29 04:41:20,264 INFO L860 garLoopResultBuilder]: At program point L246(lines 229 247) the Hoare annotation is: true [2021-10-29 04:41:20,265 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 195) no Hoare annotation was computed. [2021-10-29 04:41:20,265 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2021-10-29 04:41:20,265 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:41:20,266 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 242) no Hoare annotation was computed. [2021-10-29 04:41:20,266 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 194) no Hoare annotation was computed. [2021-10-29 04:41:20,266 INFO L853 garLoopResultBuilder]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2021-10-29 04:41:20,267 INFO L857 garLoopResultBuilder]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2021-10-29 04:41:20,267 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 113) no Hoare annotation was computed. [2021-10-29 04:41:20,267 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-10-29 04:41:20,267 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 117) no Hoare annotation was computed. [2021-10-29 04:41:20,268 INFO L857 garLoopResultBuilder]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2021-10-29 04:41:20,268 INFO L857 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-10-29 04:41:20,268 INFO L853 garLoopResultBuilder]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-10-29 04:41:20,269 INFO L857 garLoopResultBuilder]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-10-29 04:41:20,269 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-10-29 04:41:20,274 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-29 04:41:20,276 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:41:20,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,304 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 04:41:20,305 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 04:41:20,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:41:20 BoogieIcfgContainer [2021-10-29 04:41:20,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:41:20,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:41:20,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:41:20,308 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:41:20,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:34" (3/4) ... [2021-10-29 04:41:20,313 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:41:20,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 04:41:20,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 04:41:20,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:20,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:20,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE() && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && x == x) && \result == x) && ~Pluszero~LONGDOUBLE() == x [2021-10-29 04:41:20,428 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:41:20,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:41:20,431 INFO L168 Benchmark]: Toolchain (without parser) took 69500.15 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.0 MB in the beginning and 45.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,431 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 60.8 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:20,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 904.90 ms. Allocated memory is still 60.8 MB. Free memory was 37.9 MB in the beginning and 37.1 MB in the end (delta: 863.7 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.22 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 34.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,433 INFO L168 Benchmark]: Boogie Preprocessor took 141.96 ms. Allocated memory is still 60.8 MB. Free memory was 34.5 MB in the beginning and 32.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,434 INFO L168 Benchmark]: RCFGBuilder took 22582.25 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 32.0 MB in the beginning and 52.5 MB in the end (delta: -20.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,435 INFO L168 Benchmark]: TraceAbstraction took 45616.66 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 52.0 MB in the end (delta: 168.3 kB). Peak memory consumption was 296.7 kB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,436 INFO L168 Benchmark]: Witness Printer took 121.47 ms. Allocated memory is still 88.1 MB. Free memory was 52.0 MB in the beginning and 45.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:20,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 60.8 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 904.90 ms. Allocated memory is still 60.8 MB. Free memory was 37.9 MB in the beginning and 37.1 MB in the end (delta: 863.7 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.22 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 34.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.96 ms. Allocated memory is still 60.8 MB. Free memory was 34.5 MB in the beginning and 32.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22582.25 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 32.0 MB in the beginning and 52.5 MB in the end (delta: -20.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 45616.66 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 52.0 MB in the end (delta: 168.3 kB). Peak memory consumption was 296.7 kB. Max. memory is 16.1 GB. * Witness Printer took 121.47 ms. Allocated memory is still 88.1 MB. Free memory was 52.0 MB in the beginning and 45.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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 * 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: 242]: 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 416 SDslu, 241 SDs, 0 SdLazy, 44 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 13.9s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 460 SizeOfPredicates, 17 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant [2021-10-29 04:41:20,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-29 04:41:20,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE() && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && x == x) && \result == x) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2021-10-29 04:41:20,474 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 04:41:20,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && ~Pluszero~LONGDOUBLE() == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:41:20,705 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-29 04:41:20,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c974eb-04ee-4aec-b73e-2f0f1dc98951/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...