./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:52:26,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:52:26,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:52:26,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:52:26,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:52:26,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:52:26,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:52:26,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:52:26,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:52:26,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:52:26,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:52:26,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:52:26,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:52:26,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:52:26,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:52:27,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:52:27,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:52:27,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:52:27,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:52:27,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:52:27,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:52:27,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:52:27,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:52:27,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:52:27,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:52:27,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:52:27,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:52:27,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:52:27,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:52:27,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:52:27,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:52:27,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:52:27,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:52:27,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:52:27,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:52:27,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:52:27,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:52:27,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:52:27,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:52:27,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:52:27,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:52:27,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:52:27,102 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:52:27,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:52:27,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:52:27,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:52:27,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:52:27,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:52:27,112 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:52:27,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:52:27,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:52:27,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:52:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:52:27,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:52:27,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:52:27,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:52:27,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:52:27,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:52:27,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:52:27,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:52:27,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:52:27,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:52:27,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:52:27,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:52:27,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:52:27,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:52:27,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:52:27,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:52:27,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:52:27,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:52:27,118 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:52:27,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:52:27,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:52:27,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:52:27,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2021-11-23 13:52:27,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:52:27,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:52:27,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:52:27,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:52:27,431 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:52:27,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-23 13:52:27,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/383dd0f92/56c86f755a4b4b92b1d95ffd79f95937/FLAG5f2a483f7 [2021-11-23 13:52:28,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:52:28,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-23 13:52:28,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/383dd0f92/56c86f755a4b4b92b1d95ffd79f95937/FLAG5f2a483f7 [2021-11-23 13:52:28,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/383dd0f92/56c86f755a4b4b92b1d95ffd79f95937 [2021-11-23 13:52:28,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:52:28,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:52:28,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:52:28,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:52:28,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:52:28,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481323b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28, skipping insertion in model container [2021-11-23 13:52:28,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:52:28,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:52:28,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-23 13:52:28,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:52:28,653 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:52:28,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-23 13:52:28,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:52:28,704 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:52:28,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28 WrapperNode [2021-11-23 13:52:28,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:52:28,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:52:28,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:52:28,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:52:28,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,747 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2021-11-23 13:52:28,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:52:28,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:52:28,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:52:28,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:52:28,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:52:28,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:52:28,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:52:28,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:52:28,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (1/1) ... [2021-11-23 13:52:28,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:52:28,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:52:28,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:52:28,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:52:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:52:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:52:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:52:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:52:28,960 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:52:28,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:52:29,071 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:52:29,078 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:52:29,079 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:52:29,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:29 BoogieIcfgContainer [2021-11-23 13:52:29,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:52:29,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:52:29,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:52:29,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:52:29,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:52:28" (1/3) ... [2021-11-23 13:52:29,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bfc192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:29, skipping insertion in model container [2021-11-23 13:52:29,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28" (2/3) ... [2021-11-23 13:52:29,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bfc192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:29, skipping insertion in model container [2021-11-23 13:52:29,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:29" (3/3) ... [2021-11-23 13:52:29,093 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-11-23 13:52:29,102 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:52:29,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:52:29,170 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:52:29,182 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:52:29,183 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:52:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) [2021-11-23 13:52:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 13:52:29,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:52:29,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 13:52:29,218 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:52:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:52:29,226 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-11-23 13:52:29,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:52:29,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058047900] [2021-11-23 13:52:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:52:29,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:52:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:52:29,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:52:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:52:29,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:52:29,397 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:52:29,399 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 13:52:29,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:52:29,407 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 13:52:29,410 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:52:29,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:52:29 BoogieIcfgContainer [2021-11-23 13:52:29,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:52:29,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:52:29,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:52:29,437 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:52:29,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:29" (3/4) ... [2021-11-23 13:52:29,442 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:52:29,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:52:29,444 INFO L158 Benchmark]: Toolchain (without parser) took 1079.66ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 59.4MB in the end (delta: 8.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 13:52:29,445 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:52:29,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.66ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 83.6MB in the end (delta: -16.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:52:29,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.04ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:52:29,449 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 109.1MB. Free memory was 82.2MB in the beginning and 81.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:52:29,455 INFO L158 Benchmark]: RCFGBuilder took 294.94ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 72.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:52:29,456 INFO L158 Benchmark]: TraceAbstraction took 349.16ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 60.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 13:52:29,458 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 59.4MB in the end (delta: 292.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:52:29,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.66ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 83.6MB in the end (delta: -16.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.04ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 109.1MB. Free memory was 82.2MB in the beginning and 81.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.94ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 72.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 349.16ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 60.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 59.4MB in the end (delta: 292.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 13:52:29,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:52:32,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:52:32,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:52:32,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:52:32,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:52:32,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:52:32,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:52:32,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:52:32,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:52:32,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:52:32,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:52:32,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:52:32,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:52:32,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:52:32,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:52:32,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:52:32,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:52:32,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:52:32,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:52:32,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:52:32,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:52:32,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:52:32,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:52:32,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:52:32,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:52:32,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:52:32,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:52:32,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:52:32,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:52:32,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:52:32,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:52:32,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:52:32,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:52:32,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:52:32,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:52:32,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:52:32,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:52:32,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:52:32,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:52:32,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:52:32,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:52:32,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-23 13:52:32,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:52:32,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:52:32,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:52:32,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:52:32,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:52:32,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:52:32,374 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:52:32,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:52:32,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:52:32,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:52:32,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:52:32,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:52:32,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:52:32,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:52:32,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 13:52:32,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 13:52:32,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 13:52:32,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:52:32,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:52:32,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:52:32,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:52:32,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:52:32,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:52:32,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:52:32,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:52:32,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:52:32,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:52:32,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:52:32,379 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 13:52:32,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 13:52:32,380 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:52:32,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:52:32,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:52:32,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:52:32,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 13:52:32,381 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_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2021-11-23 13:52:32,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:52:32,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:52:32,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:52:32,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:52:32,809 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:52:32,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-23 13:52:32,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/c14246d1c/f6f3e3858e1d4f7b95d0e84d4007a3f2/FLAGddc7daa3e [2021-11-23 13:52:33,489 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:52:33,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/sv-benchmarks/c/float-benchs/Rump_float.c [2021-11-23 13:52:33,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/c14246d1c/f6f3e3858e1d4f7b95d0e84d4007a3f2/FLAGddc7daa3e [2021-11-23 13:52:33,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/data/c14246d1c/f6f3e3858e1d4f7b95d0e84d4007a3f2 [2021-11-23 13:52:33,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:52:33,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:52:33,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:52:33,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:52:33,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:52:33,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:33" (1/1) ... [2021-11-23 13:52:33,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2481eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:33, skipping insertion in model container [2021-11-23 13:52:33,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:33" (1/1) ... [2021-11-23 13:52:33,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:52:33,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:52:34,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-23 13:52:34,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:52:34,045 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:52:34,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-11-23 13:52:34,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:52:34,092 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:52:34,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34 WrapperNode [2021-11-23 13:52:34,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:52:34,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:52:34,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:52:34,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:52:34,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,148 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2021-11-23 13:52:34,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:52:34,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:52:34,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:52:34,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:52:34,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:52:34,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:52:34,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:52:34,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:52:34,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (1/1) ... [2021-11-23 13:52:34,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:52:34,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:52:34,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:52:34,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:52:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:52:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:52:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 13:52:34,366 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:52:34,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:52:36,776 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:52:36,783 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:52:36,784 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:52:36,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:36 BoogieIcfgContainer [2021-11-23 13:52:36,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:52:36,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:52:36,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:52:36,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:52:36,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:52:33" (1/3) ... [2021-11-23 13:52:36,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fa6bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:36, skipping insertion in model container [2021-11-23 13:52:36,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:34" (2/3) ... [2021-11-23 13:52:36,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fa6bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:36, skipping insertion in model container [2021-11-23 13:52:36,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:36" (3/3) ... [2021-11-23 13:52:36,797 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-11-23 13:52:36,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:52:36,806 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:52:36,856 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:52:36,865 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:52:36,865 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:52:36,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) [2021-11-23 13:52:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 13:52:36,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:52:36,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 13:52:36,886 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:52:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:52:36,893 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-11-23 13:52:36,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:52:36,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449611999] [2021-11-23 13:52:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:52:36,907 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:52:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:52:36,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:52:36,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 13:52:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:52:39,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 13:52:39,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:52:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:52:39,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:52:45,800 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from false [2021-11-23 13:52:47,901 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from true [2021-11-23 13:52:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:52:47,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:52:47,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449611999] [2021-11-23 13:52:47,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449611999] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:52:47,904 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:52:47,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 13:52:47,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343806259] [2021-11-23 13:52:47,907 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:52:47,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:52:47,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:52:47,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:52:47,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2021-11-23 13:52:47,946 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:50,074 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-23 13:52:50,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:52:50,100 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-11-23 13:52:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:52:50,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 4 [2021-11-23 13:52:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:52:50,110 INFO L225 Difference]: With dead ends: 13 [2021-11-23 13:52:50,110 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:52:50,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2021-11-23 13:52:50,119 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:52:50,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-11-23 13:52:50,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:52:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:52:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:52:50,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-23 13:52:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:52:50,148 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:52:50,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:52:50,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:52:50,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 13:52:50,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:52:50,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:52:50,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:52:50,421 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:52:50,421 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:52:50,421 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:52:50,422 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:52:50,422 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-11-23 13:52:50,422 INFO L854 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2021-11-23 13:52:50,422 INFO L858 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-11-23 13:52:50,423 INFO L858 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-11-23 13:52:50,423 INFO L854 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2021-11-23 13:52:50,427 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 13:52:50,428 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:52:50,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:52:50 BoogieIcfgContainer [2021-11-23 13:52:50,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:52:50,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:52:50,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:52:50,447 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:52:50,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:36" (3/4) ... [2021-11-23 13:52:50,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:52:50,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:52:50,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:52:50,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:52:50,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:52:50,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:52:50,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:52:50,498 INFO L158 Benchmark]: Toolchain (without parser) took 16667.22ms. Allocated memory is still 73.4MB. Free memory was 51.7MB in the beginning and 39.9MB in the end (delta: 11.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,498 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 29.7MB in the beginning and 29.7MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:52:50,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.03ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 41.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.38ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 56.7MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,500 INFO L158 Benchmark]: Boogie Preprocessor took 59.16ms. Allocated memory is still 73.4MB. Free memory was 56.7MB in the beginning and 55.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,500 INFO L158 Benchmark]: RCFGBuilder took 2577.28ms. Allocated memory is still 73.4MB. Free memory was 55.5MB in the beginning and 47.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,501 INFO L158 Benchmark]: TraceAbstraction took 13658.00ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 42.1MB in the end (delta: 4.7MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,502 INFO L158 Benchmark]: Witness Printer took 50.19ms. Allocated memory is still 73.4MB. Free memory was 42.1MB in the beginning and 39.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:52:50,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 29.7MB in the beginning and 29.7MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.03ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 41.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.38ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 56.7MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.16ms. Allocated memory is still 73.4MB. Free memory was 56.7MB in the beginning and 55.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2577.28ms. Allocated memory is still 73.4MB. Free memory was 55.5MB in the beginning and 47.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13658.00ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 42.1MB in the end (delta: 4.7MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 50.19ms. Allocated memory is still 73.4MB. Free memory was 42.1MB in the beginning and 39.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 5 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-11-23 13:52:50,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8055c2-08d7-4734-8972-3d00bb27972a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE