./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be --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 da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 ....................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be --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 da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:08:59,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:08:59,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:08:59,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:08:59,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:08:59,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:08:59,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:08:59,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:08:59,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:08:59,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:08:59,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:08:59,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:08:59,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:08:59,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:08:59,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:08:59,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:08:59,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:08:59,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:08:59,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:08:59,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:08:59,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:08:59,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:08:59,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:08:59,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:08:59,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:08:59,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:08:59,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:08:59,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:08:59,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:08:59,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:08:59,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:08:59,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:08:59,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:08:59,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:08:59,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:08:59,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:08:59,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:08:59,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:08:59,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:08:59,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:08:59,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:08:59,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:08:59,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:08:59,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:08:59,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:08:59,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:08:59,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:08:59,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:08:59,529 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:08:59,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:08:59,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:08:59,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:08:59,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:08:59,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:08:59,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:08:59,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:08:59,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:08:59,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:08:59,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:08:59,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:08:59,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:08:59,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:08:59,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:08:59,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:08:59,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:08:59,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:08:59,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:08:59,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:08:59,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:08:59,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:08:59,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:08:59,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:08:59,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:08:59,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:08:59,539 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_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2021-10-21 19:08:59,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:08:59,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:08:59,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:08:59,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:08:59,944 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:08:59,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-benchs/float_double.c [2021-10-21 19:09:00,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/4071e86c2/05dc844c2b8d47c5a9e3cb4f3209594b/FLAG1c0d6dfcb [2021-10-21 19:09:00,569 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:09:00,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/sv-benchmarks/c/float-benchs/float_double.c [2021-10-21 19:09:00,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/4071e86c2/05dc844c2b8d47c5a9e3cb4f3209594b/FLAG1c0d6dfcb [2021-10-21 19:09:00,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/4071e86c2/05dc844c2b8d47c5a9e3cb4f3209594b [2021-10-21 19:09:00,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:09:00,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:09:00,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:00,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:09:00,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:09:00,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:00" (1/1) ... [2021-10-21 19:09:00,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0d37d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:00, skipping insertion in model container [2021-10-21 19:09:00,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:00" (1/1) ... [2021-10-21 19:09:00,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:09:00,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:09:01,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-21 19:09:01,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:01,161 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:09:01,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-21 19:09:01,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:01,214 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:09:01,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01 WrapperNode [2021-10-21 19:09:01,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:01,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:01,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:09:01,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:09:01,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:01,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:09:01,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:09:01,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:09:01,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:09:01,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:09:01,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:09:01,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:09:01,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (1/1) ... [2021-10-21 19:09:01,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:01,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:01,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:01,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:09:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:09:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:09:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:09:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:09:01,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:09:01,593 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 19:09:01,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:01 BoogieIcfgContainer [2021-10-21 19:09:01,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:09:01,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:09:01,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:09:01,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:09:01,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:09:00" (1/3) ... [2021-10-21 19:09:01,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a74a66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:01, skipping insertion in model container [2021-10-21 19:09:01,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:01" (2/3) ... [2021-10-21 19:09:01,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a74a66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:01, skipping insertion in model container [2021-10-21 19:09:01,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:01" (3/3) ... [2021-10-21 19:09:01,606 INFO L111 eAbstractionObserver]: Analyzing ICFG float_double.c [2021-10-21 19:09:01,612 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:09:01,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:09:01,665 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:09:01,673 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 [2021-10-21 19:09:01,674 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:09:01,693 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) [2021-10-21 19:09:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:09:01,698 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:01,699 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:09:01,700 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,707 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-21 19:09:01,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117527500] [2021-10-21 19:09:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,876 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,962 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:01,965 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:09:01,967 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:09:01,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:09:01,991 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:09:02,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:09:02 BoogieIcfgContainer [2021-10-21 19:09:02,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:09:02,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:09:02,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:09:02,021 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:09:02,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:01" (3/4) ... [2021-10-21 19:09:02,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:09:02,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:09:02,032 INFO L168 Benchmark]: Toolchain (without parser) took 1100.48 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 78.5 MB in the beginning and 83.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:02,034 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:09:02,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.05 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 78.3 MB in the beginning and 107.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:02,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.90 ms. Allocated memory is still 132.1 MB. Free memory was 107.6 MB in the beginning and 106.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:02,038 INFO L168 Benchmark]: Boogie Preprocessor took 31.03 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.4 MB in the end (delta: 719.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:09:02,040 INFO L168 Benchmark]: RCFGBuilder took 300.82 ms. Allocated memory is still 132.1 MB. Free memory was 105.4 MB in the beginning and 96.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:02,048 INFO L168 Benchmark]: TraceAbstraction took 417.68 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 83.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:02,049 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 132.1 MB. Free memory was 83.5 MB in the beginning and 83.1 MB in the end (delta: 465.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:02,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.05 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 78.3 MB in the beginning and 107.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.90 ms. Allocated memory is still 132.1 MB. Free memory was 107.6 MB in the beginning and 106.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.03 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.4 MB in the end (delta: 719.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 300.82 ms. Allocated memory is still 132.1 MB. Free memory was 105.4 MB in the beginning and 96.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 417.68 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 83.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.51 ms. Allocated memory is still 132.1 MB. Free memory was 83.5 MB in the beginning and 83.1 MB in the end (delta: 465.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L10] double x = 1e20 + 1.; [L11] float y = x; [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 325.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 13.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.2ms SsaConstructionTime, 44.3ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-21 19:09:02,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:09:04,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:09:04,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:09:04,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:09:04,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:09:04,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:09:04,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:09:04,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:09:04,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:09:04,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:09:04,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:09:04,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:09:04,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:09:04,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:09:04,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:09:04,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:09:04,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:09:04,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:09:04,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:09:04,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:09:04,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:09:04,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:09:04,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:09:04,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:09:04,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:09:04,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:09:04,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:09:04,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:09:04,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:09:04,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:09:04,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:09:04,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:09:04,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:09:04,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:09:04,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:09:05,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:09:05,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:09:05,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:09:05,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:09:05,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:09:05,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:09:05,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:09:05,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:09:05,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:09:05,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:09:05,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:09:05,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:09:05,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:09:05,073 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:09:05,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:09:05,073 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:09:05,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:09:05,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:09:05,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:09:05,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:09:05,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:09:05,076 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:09:05,076 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:09:05,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:09:05,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:09:05,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:09:05,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:09:05,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:09:05,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:09:05,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:09:05,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:05,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:09:05,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:09:05,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:09:05,080 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:09:05,080 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:09:05,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:09:05,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:09:05,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:09:05,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:09:05,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:09:05,082 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_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2021-10-21 19:09:05,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:09:05,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:09:05,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:09:05,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:09:05,534 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:09:05,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-benchs/float_double.c [2021-10-21 19:09:05,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/6a5cc621d/58abe7cb11474d1e88693bf7a3f20804/FLAG5d42e1704 [2021-10-21 19:09:06,288 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:09:06,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/sv-benchmarks/c/float-benchs/float_double.c [2021-10-21 19:09:06,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/6a5cc621d/58abe7cb11474d1e88693bf7a3f20804/FLAG5d42e1704 [2021-10-21 19:09:06,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/data/6a5cc621d/58abe7cb11474d1e88693bf7a3f20804 [2021-10-21 19:09:06,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:09:06,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:09:06,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:06,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:09:06,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:09:06,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:06,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a32cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06, skipping insertion in model container [2021-10-21 19:09:06,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:06,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:09:06,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:09:06,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-21 19:09:06,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:06,926 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:09:06,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2021-10-21 19:09:06,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:06,961 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:09:06,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06 WrapperNode [2021-10-21 19:09:06,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:06,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:06,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:09:06,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:09:06,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:07,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:09:07,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:09:07,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:09:07,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:09:07,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:09:07,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:09:07,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:09:07,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (1/1) ... [2021-10-21 19:09:07,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:07,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:07,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:09:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:09:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:09:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:09:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:09:07,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:09:07,683 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 19:09:07,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:07 BoogieIcfgContainer [2021-10-21 19:09:07,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:09:07,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:09:07,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:09:07,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:09:07,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:09:06" (1/3) ... [2021-10-21 19:09:07,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204a401a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:07, skipping insertion in model container [2021-10-21 19:09:07,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:06" (2/3) ... [2021-10-21 19:09:07,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204a401a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:07, skipping insertion in model container [2021-10-21 19:09:07,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:07" (3/3) ... [2021-10-21 19:09:07,694 INFO L111 eAbstractionObserver]: Analyzing ICFG float_double.c [2021-10-21 19:09:07,700 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:09:07,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:09:07,791 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:09:07,799 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 [2021-10-21 19:09:07,812 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:09:07,826 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) [2021-10-21 19:09:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:09:07,831 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:07,831 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:09:07,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:07,856 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-21 19:09:07,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:09:07,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918661680] [2021-10-21 19:09:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:07,886 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:09:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:09:07,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:09:07,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:09:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:08,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:09:08,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:08,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:09:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:08,513 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:09:08,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918661680] [2021-10-21 19:09:08,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918661680] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:08,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:08,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-21 19:09:08,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282992853] [2021-10-21 19:09:08,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:09:08,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:09:08,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:09:08,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:09:08,542 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:08,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:08,563 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-21 19:09:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:08,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 [2021-10-21 19:09:08,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:08,573 INFO L225 Difference]: With dead ends: 13 [2021-10-21 19:09:08,573 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:09:08,576 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:09:08,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:09:08,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:09:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:09:08,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-21 19:09:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:08,604 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:09:08,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:09:08,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:09:08,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:09:08,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-21 19:09:08,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:09:08,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:09:08,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:08,874 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:09:08,875 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:09:08,875 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:09:08,875 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:09:08,876 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-10-21 19:09:08,876 INFO L853 garLoopResultBuilder]: At program point L13(lines 8 14) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:09:08,876 INFO L857 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-21 19:09:08,877 INFO L857 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-10-21 19:09:08,877 INFO L853 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-21 19:09:08,882 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:09:08,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:09:08 BoogieIcfgContainer [2021-10-21 19:09:08,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:09:08,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:09:08,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:09:08,897 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:09:08,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:07" (3/4) ... [2021-10-21 19:09:08,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:09:08,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:09:08,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:09:08,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:09:08,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:09:08,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:09:08,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:09:08,952 INFO L168 Benchmark]: Toolchain (without parser) took 2308.75 ms. Allocated memory is still 69.2 MB. Free memory was 50.8 MB in the beginning and 36.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:08,953 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:09:08,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.50 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 40.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:08,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.72 ms. Allocated memory is still 69.2 MB. Free memory was 40.8 MB in the beginning and 51.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:08,955 INFO L168 Benchmark]: Boogie Preprocessor took 41.91 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 50.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:09:08,956 INFO L168 Benchmark]: RCFGBuilder took 595.86 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 41.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:08,957 INFO L168 Benchmark]: TraceAbstraction took 1208.75 ms. Allocated memory is still 69.2 MB. Free memory was 41.0 MB in the beginning and 39.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:08,957 INFO L168 Benchmark]: Witness Printer took 53.52 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:08,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.50 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 40.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.72 ms. Allocated memory is still 69.2 MB. Free memory was 40.8 MB in the beginning and 51.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.91 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 50.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 595.86 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 41.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1208.75 ms. Allocated memory is still 69.2 MB. Free memory was 41.0 MB in the beginning and 39.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * Witness Printer took 53.52 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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: 1093.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.9ms, AutomataDifference: 52.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 51.6ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 39.7ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 5.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 21.4ms SsaConstructionTime, 84.6ms SatisfiabilityAnalysisTime, 440.1ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 5 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 4 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! [2021-10-21 19:09:09,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08cb4-492a-4b0a-b6a6-0555c18e988c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...