./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 2329fc70 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_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8 --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 --- [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-2329fc7 [2022-12-13 17:06:30,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:06:30,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:06:31,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:06:31,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:06:31,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:06:31,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:06:31,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:06:31,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:06:31,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:06:31,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:06:31,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:06:31,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:06:31,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:06:31,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:06:31,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:06:31,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:06:31,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:06:31,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:06:31,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:06:31,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:06:31,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:06:31,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:06:31,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:06:31,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:06:31,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:06:31,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:06:31,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:06:31,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:06:31,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:06:31,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:06:31,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:06:31,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:06:31,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:06:31,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:06:31,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:06:31,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:06:31,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:06:31,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:06:31,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:06:31,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:06:31,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 17:06:31,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:06:31,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:06:31,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:06:31,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:06:31,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:06:31,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:06:31,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:06:31,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:06:31,057 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:06:31,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:06:31,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:06:31,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:06:31,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:06:31,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:06:31,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:06:31,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:06:31,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:06:31,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:06:31,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:06:31,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:06:31,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:06:31,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:06:31,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:06:31,059 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:06:31,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:06:31,060 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:06:31,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:06:31,060 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:06:31,060 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2022-12-13 17:06:31,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:06:31,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:06:31,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:06:31,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:06:31,268 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:06:31,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/Rump_float.c [2022-12-13 17:06:33,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:06:33,961 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:06:33,961 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/sv-benchmarks/c/float-benchs/Rump_float.c [2022-12-13 17:06:33,965 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data/3191e85f1/d44dd40c45a4486a9cde9e2fc3225a33/FLAGe3da98bf3 [2022-12-13 17:06:33,976 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data/3191e85f1/d44dd40c45a4486a9cde9e2fc3225a33 [2022-12-13 17:06:33,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:06:33,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:06:33,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:06:33,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:06:33,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:06:33,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:06:33" (1/1) ... [2022-12-13 17:06:33,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771b9b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:33, skipping insertion in model container [2022-12-13 17:06:33,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:06:33" (1/1) ... [2022-12-13 17:06:33,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:06:33,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:06:34,106 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_a64d471b-8f75-4782-9842-32f7ce50cba2/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2022-12-13 17:06:34,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:06:34,122 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:06:34,130 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_a64d471b-8f75-4782-9842-32f7ce50cba2/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2022-12-13 17:06:34,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:06:34,143 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:06:34,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34 WrapperNode [2022-12-13 17:06:34,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:06:34,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:06:34,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:06:34,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:06:34,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,166 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-12-13 17:06:34,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:06:34,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:06:34,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:06:34,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:06:34,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:06:34,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:06:34,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:06:34,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:06:34,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (1/1) ... [2022-12-13 17:06:34,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:06:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:06:34,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:06:34,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:06:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:06:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:06:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:06:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:06:34,287 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:06:34,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:06:34,344 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:06:34,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:06:34,349 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:06:34,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:34 BoogieIcfgContainer [2022-12-13 17:06:34,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:06:34,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:06:34,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:06:34,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:06:34,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:06:33" (1/3) ... [2022-12-13 17:06:34,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c539c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:06:34, skipping insertion in model container [2022-12-13 17:06:34,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:34" (2/3) ... [2022-12-13 17:06:34,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c539c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:06:34, skipping insertion in model container [2022-12-13 17:06:34,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:34" (3/3) ... [2022-12-13 17:06:34,357 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2022-12-13 17:06:34,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:06:34,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:06:34,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:06:34,412 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@614e51c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:06:34,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:06:34,416 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) [2022-12-13 17:06:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 17:06:34,420 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:06:34,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 17:06:34,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:06:34,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:06:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-13 17:06:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:06:34,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971044942] [2022-12-13 17:06:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:06:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:06:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:06:34,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:06:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:06:34,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:06:34,523 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:06:34,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:06:34,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:06:34,528 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:06:34,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:06:34,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:06:34 BoogieIcfgContainer [2022-12-13 17:06:34,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:06:34,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:06:34,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:06:34,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:06:34,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:34" (3/4) ... [2022-12-13 17:06:34,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:06:34,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:06:34,547 INFO L158 Benchmark]: Toolchain (without parser) took 567.83ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 77.3MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 17:06:34,547 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:34,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.70ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 102.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:06:34,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.17ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:34,549 INFO L158 Benchmark]: Boogie Preprocessor took 13.77ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 99.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:06:34,549 INFO L158 Benchmark]: RCFGBuilder took 169.59ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 90.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 17:06:34,549 INFO L158 Benchmark]: TraceAbstraction took 190.50ms. Allocated memory is still 151.0MB. Free memory was 90.4MB in the beginning and 77.3MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:06:34,550 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 151.0MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:34,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.70ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 102.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.17ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.77ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 99.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 169.59ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 90.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 190.50ms. Allocated memory is still 151.0MB. Free memory was 90.4MB in the beginning and 77.3MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 151.0MB. Free memory is still 77.3MB. 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: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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 [2022-12-13 17:06:34,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8 --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 --- [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-2329fc7 [2022-12-13 17:06:36,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:06:36,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:06:36,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:06:36,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:06:36,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:06:36,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:06:36,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:06:36,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:06:36,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:06:36,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:06:36,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:06:36,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:06:36,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:06:36,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:06:36,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:06:36,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:06:36,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:06:36,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:06:36,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:06:36,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:06:36,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:06:36,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:06:36,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:06:36,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:06:36,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:06:36,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:06:36,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:06:36,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:06:36,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:06:36,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:06:36,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:06:36,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:06:36,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:06:36,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:06:36,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:06:36,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:06:36,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:06:36,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:06:36,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:06:36,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:06:36,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 17:06:36,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:06:36,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:06:36,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:06:36,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:06:36,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:06:36,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:06:36,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:06:36,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:06:36,272 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:06:36,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:06:36,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:06:36,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:06:36,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:06:36,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:06:36,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:06:36,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:06:36,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:06:36,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:06:36,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:06:36,274 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:06:36,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:06:36,274 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:06:36,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:06:36,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:06:36,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:06:36,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:06:36,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:06:36,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:06:36,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:06:36,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:06:36,276 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:06:36,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:06:36,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:06:36,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:06:36,276 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:06:36,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:06:36,277 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:06:36,277 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:06:36,277 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2022-12-13 17:06:36,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:06:36,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:06:36,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:06:36,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:06:36,495 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:06:36,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/Rump_float.c [2022-12-13 17:06:39,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:06:39,181 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:06:39,181 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/sv-benchmarks/c/float-benchs/Rump_float.c [2022-12-13 17:06:39,186 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data/eeb280320/0470bc56fe2d4538aa9e7e4f6936112b/FLAGbbe6cf7f9 [2022-12-13 17:06:39,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/data/eeb280320/0470bc56fe2d4538aa9e7e4f6936112b [2022-12-13 17:06:39,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:06:39,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:06:39,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:06:39,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:06:39,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:06:39,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4000c855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39, skipping insertion in model container [2022-12-13 17:06:39,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:06:39,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:06:39,716 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_a64d471b-8f75-4782-9842-32f7ce50cba2/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2022-12-13 17:06:39,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:06:39,743 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:06:39,755 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_a64d471b-8f75-4782-9842-32f7ce50cba2/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2022-12-13 17:06:39,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:06:39,770 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:06:39,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39 WrapperNode [2022-12-13 17:06:39,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:06:39,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:06:39,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:06:39,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:06:39,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,796 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-12-13 17:06:39,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:06:39,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:06:39,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:06:39,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:06:39,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:06:39,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:06:39,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:06:39,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:06:39,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (1/1) ... [2022-12-13 17:06:39,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:06:39,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:06:39,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:06:39,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:06:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:06:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:06:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:06:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:06:39,938 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:06:39,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:06:42,321 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:06:42,327 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:06:42,328 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:06:42,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:42 BoogieIcfgContainer [2022-12-13 17:06:42,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:06:42,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:06:42,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:06:42,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:06:42,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:06:39" (1/3) ... [2022-12-13 17:06:42,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b4e9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:06:42, skipping insertion in model container [2022-12-13 17:06:42,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:39" (2/3) ... [2022-12-13 17:06:42,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b4e9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:06:42, skipping insertion in model container [2022-12-13 17:06:42,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:42" (3/3) ... [2022-12-13 17:06:42,339 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2022-12-13 17:06:42,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:06:42,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:06:42,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:06:42,393 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76a37a07, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:06:42,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:06:42,396 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) [2022-12-13 17:06:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 17:06:42,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:06:42,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 17:06:42,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:06:42,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:06:42,405 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-13 17:06:42,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:06:42,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155248244] [2022-12-13 17:06:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:06:42,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:06:42,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:06:42,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:06:42,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 17:06:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:06:44,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 17:06:44,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:06:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:06:44,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:06:44,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:06:44,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155248244] [2022-12-13 17:06:44,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155248244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:06:44,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:06:44,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:06:44,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040075345] [2022-12-13 17:06:44,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:06:44,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:06:44,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:06:44,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:06:44,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:06:44,213 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-13 17:06:47,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:06:47,297 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-12-13 17:06:47,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:06:47,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 [2022-12-13 17:06:47,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:06:47,305 INFO L225 Difference]: With dead ends: 13 [2022-12-13 17:06:47,305 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 17:06:47,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:06:47,312 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:06:47,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 17:06:47,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 17:06:47,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 17:06:47,331 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) [2022-12-13 17:06:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 17:06:47,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-12-13 17:06:47,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:06:47,332 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:06:47,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-13 17:06:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:06:47,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 17:06:47,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:06:47,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:06:47,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:06:47,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 17:06:47,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:06:47,618 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 17:06:47,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:06:47,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-12-13 17:06:47,619 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 17:06:47,619 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-12-13 17:06:47,619 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-12-13 17:06:47,620 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-12-13 17:06:47,620 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-12-13 17:06:47,624 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:06:47,627 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:06:47,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:06:47 BoogieIcfgContainer [2022-12-13 17:06:47,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:06:47,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:06:47,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:06:47,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:06:47,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:42" (3/4) ... [2022-12-13 17:06:47,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:06:47,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 17:06:47,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 17:06:47,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:06:47,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:06:47,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:06:47,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:06:47,679 INFO L158 Benchmark]: Toolchain (without parser) took 8096.85ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 59.4MB in the end (delta: 3.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-12-13 17:06:47,680 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:47,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.59ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 51.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:06:47,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.10ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 50.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:06:47,681 INFO L158 Benchmark]: Boogie Preprocessor took 18.80ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:06:47,682 INFO L158 Benchmark]: RCFGBuilder took 2513.62ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 60.7MB in the end (delta: -12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 17:06:47,682 INFO L158 Benchmark]: TraceAbstraction took 5309.69ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 62.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:47,682 INFO L158 Benchmark]: Witness Printer took 36.01ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 59.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:06:47,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.59ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 51.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.10ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 50.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.80ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2513.62ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 60.7MB in the end (delta: -12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5309.69ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 62.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.01ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 59.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. 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: 5.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - 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! [2022-12-13 17:06:47,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d471b-8f75-4782-9842-32f7ce50cba2/bin/uautomizer-uyxdKDjOR8/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