./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL --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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:07:02,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:07:02,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:07:03,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:07:03,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:07:03,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:07:03,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:07:03,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:07:03,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:07:03,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:07:03,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:07:03,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:07:03,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:07:03,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:07:03,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:07:03,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:07:03,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:07:03,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:07:03,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:07:03,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:07:03,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:07:03,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:07:03,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:07:03,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:07:03,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:07:03,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:07:03,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:07:03,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:07:03,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:07:03,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:07:03,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:07:03,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:07:03,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:07:03,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:07:03,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:07:03,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:07:03,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:07:03,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:07:03,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:07:03,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:07:03,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:07:03,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:07:03,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:07:03,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:07:03,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:07:03,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:07:03,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:07:03,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:07:03,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:07:03,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:07:03,236 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:07:03,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:07:03,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:07:03,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:07:03,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:07:03,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:07:03,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:07:03,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:07:03,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:07:03,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:07:03,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:07:03,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:07:03,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:07:03,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:07:03,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:07:03,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:07:03,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:07:03,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:07:03,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:07:03,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:07:03,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:07:03,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:07:03,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:07:03,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:07:03,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:07:03,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:07:03,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2021-11-19 05:07:03,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:07:03,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:07:03,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:07:03,722 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:07:03,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:07:03,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-19 05:07:03,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/27ce8740f/27a81d4f2e1a43fd9884589076d8e766/FLAG51cd89c1f [2021-11-19 05:07:04,578 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:07:04,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-19 05:07:04,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/27ce8740f/27a81d4f2e1a43fd9884589076d8e766/FLAG51cd89c1f [2021-11-19 05:07:04,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/27ce8740f/27a81d4f2e1a43fd9884589076d8e766 [2021-11-19 05:07:04,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:07:04,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:07:04,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:07:04,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:07:04,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:07:04,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:04" (1/1) ... [2021-11-19 05:07:04,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b68f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04, skipping insertion in model container [2021-11-19 05:07:04,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:04" (1/1) ... [2021-11-19 05:07:04,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:07:04,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:07:05,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-19 05:07:05,222 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:07:05,236 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:07:05,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-19 05:07:05,260 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:07:05,278 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:07:05,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05 WrapperNode [2021-11-19 05:07:05,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:07:05,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:07:05,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:07:05,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:07:05,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,326 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2021-11-19 05:07:05,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:07:05,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:07:05,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:07:05,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:07:05,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:07:05,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:07:05,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:07:05,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:07:05,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (1/1) ... [2021-11-19 05:07:05,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:07:05,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:07:05,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:07:05,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:07:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:07:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:07:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:07:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:07:05,568 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:07:05,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:07:05,719 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:07:05,727 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:07:05,728 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:07:05,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:05 BoogieIcfgContainer [2021-11-19 05:07:05,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:07:05,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:07:05,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:07:05,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:07:05,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:04" (1/3) ... [2021-11-19 05:07:05,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70aba38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:05, skipping insertion in model container [2021-11-19 05:07:05,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:05" (2/3) ... [2021-11-19 05:07:05,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70aba38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:05, skipping insertion in model container [2021-11-19 05:07:05,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:05" (3/3) ... [2021-11-19 05:07:05,745 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2021-11-19 05:07:05,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:07:05,754 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:07:05,843 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:07:05,859 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:07:05,860 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:07:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:07:05,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 05:07:05,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:07:05,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 05:07:05,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:07:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:07:05,923 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-11-19 05:07:05,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:07:05,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459560596] [2021-11-19 05:07:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:07:05,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:07:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:07:06,082 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:07:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:07:06,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:07:06,148 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:07:06,150 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:07:06,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:07:06,161 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-19 05:07:06,165 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:07:06,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:06 BoogieIcfgContainer [2021-11-19 05:07:06,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:07:06,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:07:06,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:07:06,202 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:07:06,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:05" (3/4) ... [2021-11-19 05:07:06,207 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:07:06,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:07:06,210 INFO L158 Benchmark]: Toolchain (without parser) took 1301.71ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 66.7MB in the end (delta: 27.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-19 05:07:06,212 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:07:06,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.26ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 90.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:07:06,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.33ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:07:06,217 INFO L158 Benchmark]: Boogie Preprocessor took 28.40ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 87.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:07:06,224 INFO L158 Benchmark]: RCFGBuilder took 374.19ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 79.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:07:06,225 INFO L158 Benchmark]: TraceAbstraction took 463.44ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 67.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:07:06,228 INFO L158 Benchmark]: Witness Printer took 6.38ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 66.7MB in the end (delta: 194.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:07:06,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.26ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 90.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.33ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.40ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 87.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.19ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 79.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 463.44ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 67.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.38ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 66.7MB in the end (delta: 194.1kB). 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 someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 05:07:06,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL --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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:07:09,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:07:09,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:07:09,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:07:09,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:07:09,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:07:09,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:07:09,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:07:09,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:07:09,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:07:09,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:07:09,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:07:09,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:07:09,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:07:09,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:07:09,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:07:09,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:07:09,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:07:09,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:07:09,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:07:09,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:07:09,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:07:09,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:07:09,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:07:09,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:07:09,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:07:09,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:07:09,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:07:09,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:07:09,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:07:09,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:07:09,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:07:09,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:07:09,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:07:09,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:07:09,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:07:09,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:07:09,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:07:09,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:07:09,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:07:09,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:07:09,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-19 05:07:09,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:07:09,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:07:09,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:07:09,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:07:09,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:07:09,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:07:09,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:07:09,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:07:09,758 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:07:09,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:07:09,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:07:09,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:07:09,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:07:09,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:07:09,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:07:09,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:07:09,761 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:07:09,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:07:09,762 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:07:09,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:07:09,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:07:09,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:07:09,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:07:09,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:07:09,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:07:09,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:07:09,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:07:09,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:07:09,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:07:09,765 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:07:09,765 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:07:09,765 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:07:09,766 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:07:09,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:07:09,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:07:09,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:07:09,767 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2021-11-19 05:07:10,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:07:10,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:07:10,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:07:10,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:07:10,315 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:07:10,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-19 05:07:10,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/8bd5cdbe2/1f92d71770964883b5a22abb7683f844/FLAGdb702b615 [2021-11-19 05:07:11,070 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:07:11,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/sv-benchmarks/c/float-benchs/Rump_double.c [2021-11-19 05:07:11,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/8bd5cdbe2/1f92d71770964883b5a22abb7683f844/FLAGdb702b615 [2021-11-19 05:07:11,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/data/8bd5cdbe2/1f92d71770964883b5a22abb7683f844 [2021-11-19 05:07:11,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:07:11,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:07:11,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:07:11,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:07:11,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:07:11,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ca8da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11, skipping insertion in model container [2021-11-19 05:07:11,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:07:11,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:07:11,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-19 05:07:11,694 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:07:11,717 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:07:11,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-11-19 05:07:11,747 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:07:11,767 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:07:11,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11 WrapperNode [2021-11-19 05:07:11,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:07:11,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:07:11,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:07:11,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:07:11,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,888 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2021-11-19 05:07:11,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:07:11,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:07:11,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:07:11,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:07:11,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:07:11,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:07:11,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:07:11,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:07:11,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (1/1) ... [2021-11-19 05:07:11,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:07:11,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:07:11,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:07:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:07:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:07:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:07:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:07:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:07:12,150 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:07:12,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:07:19,214 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:07:19,222 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:07:19,223 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:07:19,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:19 BoogieIcfgContainer [2021-11-19 05:07:19,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:07:19,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:07:19,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:07:19,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:07:19,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:11" (1/3) ... [2021-11-19 05:07:19,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f79f60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:19, skipping insertion in model container [2021-11-19 05:07:19,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:11" (2/3) ... [2021-11-19 05:07:19,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f79f60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:19, skipping insertion in model container [2021-11-19 05:07:19,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:19" (3/3) ... [2021-11-19 05:07:19,238 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2021-11-19 05:07:19,246 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:07:19,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:07:19,319 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:07:19,329 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:07:19,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:07:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:07:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 05:07:19,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:07:19,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 05:07:19,356 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:07:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:07:19,365 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-11-19 05:07:19,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:07:19,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367382816] [2021-11-19 05:07:19,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:07:19,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:07:19,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:07:19,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:07:19,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:07:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:07:29,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 05:07:29,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:07:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:07:29,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:07:36,721 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from false [2021-11-19 05:07:38,858 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from true [2021-11-19 05:07:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:07:38,860 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:07:38,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367382816] [2021-11-19 05:07:38,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367382816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:07:38,862 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:07:38,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-19 05:07:38,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777773611] [2021-11-19 05:07:38,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:07:38,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:07:38,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:07:38,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:07:38,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2021-11-19 05:07:38,909 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:07:41,104 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-19 05:07:41,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:07:41,199 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-11-19 05:07:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:07:41,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-19 05:07:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:07:41,215 INFO L225 Difference]: With dead ends: 13 [2021-11-19 05:07:41,215 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 05:07:41,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2021-11-19 05:07:41,228 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:07:41,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 5 Unchecked, 0.1s Time] [2021-11-19 05:07:41,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 05:07:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 05:07:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:07:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 05:07:41,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-19 05:07:41,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:07:41,267 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:07:41,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:07:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:07:41,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 05:07:41,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:07:41,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 05:07:41,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:07:41,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 05:07:41,621 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 05:07:41,622 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 05:07:41,622 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 05:07:41,622 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 05:07:41,622 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-11-19 05:07:41,623 INFO L854 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2021-11-19 05:07:41,623 INFO L858 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-11-19 05:07:41,623 INFO L858 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-11-19 05:07:41,624 INFO L854 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2021-11-19 05:07:41,629 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-19 05:07:41,630 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:07:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:41 BoogieIcfgContainer [2021-11-19 05:07:41,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:07:41,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:07:41,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:07:41,651 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:07:41,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:19" (3/4) ... [2021-11-19 05:07:41,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:07:41,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 05:07:41,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 05:07:41,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:07:41,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:07:41,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:07:41,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:07:41,725 INFO L158 Benchmark]: Toolchain (without parser) took 30298.76ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 32.4MB in the beginning and 42.6MB in the end (delta: -10.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-19 05:07:41,726 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:07:41,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.44ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 35.6MB in the end (delta: -3.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-19 05:07:41,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.95ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 35.6MB in the beginning and 60.1MB in the end (delta: -24.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:07:41,728 INFO L158 Benchmark]: Boogie Preprocessor took 48.86ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 59.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:07:41,729 INFO L158 Benchmark]: RCFGBuilder took 7286.01ms. Allocated memory is still 77.6MB. Free memory was 58.8MB in the beginning and 50.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:07:41,729 INFO L158 Benchmark]: TraceAbstraction took 22420.91ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 45.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-19 05:07:41,730 INFO L158 Benchmark]: Witness Printer took 74.12ms. Allocated memory is still 77.6MB. Free memory was 45.0MB in the beginning and 42.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:07:41,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.44ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 35.6MB in the end (delta: -3.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.95ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 35.6MB in the beginning and 60.1MB in the end (delta: -24.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.86ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 59.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7286.01ms. Allocated memory is still 77.6MB. Free memory was 58.8MB in the beginning and 50.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 22420.91ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 45.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 74.12ms. Allocated memory is still 77.6MB. Free memory was 45.0MB in the beginning and 42.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 5 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s 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, 9.1s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-11-19 05:07:41,978 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-19 05:07:42,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab152d91-d0ff-4a6d-9bc1-d6238b748a03/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE