./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:01:58,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:01:58,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:01:58,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:01:58,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:01:58,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:01:58,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:01:58,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:01:58,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:01:58,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:01:58,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:01:58,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:01:58,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:01:58,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:01:58,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:01:58,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:01:58,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:01:58,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:01:58,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:01:58,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:01:58,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:01:58,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:01:58,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:01:58,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:01:58,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:01:58,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:01:58,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:01:58,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:01:58,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:01:58,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:01:58,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:01:58,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:01:58,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:01:58,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:01:58,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:01:58,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:01:58,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:01:58,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:01:58,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:01:58,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:01:58,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:01:58,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 17:01:58,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:01:58,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:01:58,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:01:58,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:01:58,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:01:58,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:01:58,314 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:01:58,314 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 17:01:58,314 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 17:01:58,315 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 17:01:58,316 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 17:01:58,317 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 17:01:58,317 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 17:01:58,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:01:58,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:01:58,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:01:58,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:01:58,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:01:58,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:01:58,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 17:01:58,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 17:01:58,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 17:01:58,320 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:01:58,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:01:58,320 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 17:01:58,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:01:58,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 17:01:58,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:01:58,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:01:58,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:01:58,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:01:58,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 17:01:58,325 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2022-11-21 17:01:58,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:01:58,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:01:58,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:01:58,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:01:58,721 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:01:58,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-cbmc-regression/float2.c [2022-11-21 17:02:02,188 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:02:02,422 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:02:02,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c [2022-11-21 17:02:02,431 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/data/a9b0f0ed1/e98df28b2bdd480cb2c45ca01a8d1573/FLAG2c322ccf7 [2022-11-21 17:02:02,450 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/data/a9b0f0ed1/e98df28b2bdd480cb2c45ca01a8d1573 [2022-11-21 17:02:02,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:02:02,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:02:02,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:02:02,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:02:02,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:02:02,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cbd83ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02, skipping insertion in model container [2022-11-21 17:02:02,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:02:02,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:02:02,698 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2022-11-21 17:02:02,700 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2022-11-21 17:02:02,702 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2022-11-21 17:02:02,704 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2022-11-21 17:02:02,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:02:02,729 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:02:02,747 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2022-11-21 17:02:02,748 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2022-11-21 17:02:02,749 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2022-11-21 17:02:02,750 WARN L237 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_52e767af-297e-4ce6-a52e-a0fa34f6a21d/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2022-11-21 17:02:02,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:02:02,770 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:02:02,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02 WrapperNode [2022-11-21 17:02:02,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:02:02,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:02:02,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:02:02,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:02:02,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,815 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-11-21 17:02:02,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:02:02,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:02:02,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:02:02,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:02:02,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:02:02,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:02:02,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:02:02,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:02:02,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (1/1) ... [2022-11-21 17:02:02,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:02:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:02:02,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:02:02,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 17:02:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:02:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:02:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:02:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:02:03,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:02:03,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:02:03,187 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:02:03,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:02:03,196 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:02:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:02:03 BoogieIcfgContainer [2022-11-21 17:02:03,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:02:03,200 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 17:02:03,200 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 17:02:03,205 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 17:02:03,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:02:03,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 05:02:02" (1/3) ... [2022-11-21 17:02:03,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c224ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:02:03, skipping insertion in model container [2022-11-21 17:02:03,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:02:03,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:02" (2/3) ... [2022-11-21 17:02:03,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c224ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:02:03, skipping insertion in model container [2022-11-21 17:02:03,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:02:03,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:02:03" (3/3) ... [2022-11-21 17:02:03,231 INFO L332 chiAutomizerObserver]: Analyzing ICFG float2.c [2022-11-21 17:02:03,354 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 17:02:03,354 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 17:02:03,354 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 17:02:03,354 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 17:02:03,354 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 17:02:03,355 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 17:02:03,355 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 17:02:03,355 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 17:02:03,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:02:03,383 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:02:03,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 17:02:03,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 05:02:03 BoogieIcfgContainer [2022-11-21 17:02:03,389 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 17:02:03,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:02:03,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:02:03,391 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:02:03,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:02:03" (3/4) ... [2022-11-21 17:02:03,396 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:02:03,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:02:03,398 INFO L158 Benchmark]: Toolchain (without parser) took 942.23ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 81.4MB in the beginning and 127.1MB in the end (delta: -45.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:02:03,399 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:02:03,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.66ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 71.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:02:03,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 125.8MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:02:03,404 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 125.8MB. Free memory was 69.7MB in the beginning and 68.9MB in the end (delta: 817.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:02:03,406 INFO L158 Benchmark]: RCFGBuilder took 344.73ms. Allocated memory is still 125.8MB. Free memory was 68.9MB in the beginning and 96.0MB in the end (delta: -27.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-21 17:02:03,408 INFO L158 Benchmark]: BuchiAutomizer took 190.03ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 95.8MB in the beginning and 128.1MB in the end (delta: -32.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-11-21 17:02:03,409 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 127.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:02:03,422 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 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.66ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 71.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 125.8MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 125.8MB. Free memory was 69.7MB in the beginning and 68.9MB in the end (delta: 817.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.73ms. Allocated memory is still 125.8MB. Free memory was 68.9MB in the beginning and 96.0MB in the end (delta: -27.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 190.03ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 95.8MB in the beginning and 128.1MB in the end (delta: -32.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 127.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 17:02:03,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e767af-297e-4ce6-a52e-a0fa34f6a21d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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