./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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 a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 ....................................................................................................................................................................................................................................... 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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 a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:30:35,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:35,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:35,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:35,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:35,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:35,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:35,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:35,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:35,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:35,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:35,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:35,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:35,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:35,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:35,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:35,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:35,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:35,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:35,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:35,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:35,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:35,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:35,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:35,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:35,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:35,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:35,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:35,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:35,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:35,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:35,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:35,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:35,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:35,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:35,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:35,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:35,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:35,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:35,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:35,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:35,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:30:35,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:35,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:35,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:35,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:35,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:35,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:35,296 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:35,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:35,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:30:35,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:30:35,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:30:35,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:35,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:30:35,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:30:35,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:30:35,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:30:35,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:30:35,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:35,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:30:35,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:35,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:35,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:30:35,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:35,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:35,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:30:35,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:30:35,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:30:35,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:30:35,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:30:35,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:30:35,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:30:35,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:35,307 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2021-10-21 19:30:35,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:35,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:35,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:35,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:35,707 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:35,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-benchs/nan_double.c [2021-10-21 19:30:35,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/accc64347/885f4f72104144fb853607741c708662/FLAG64b7ac5d9 [2021-10-21 19:30:36,378 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:36,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/sv-benchmarks/c/float-benchs/nan_double.c [2021-10-21 19:30:36,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/accc64347/885f4f72104144fb853607741c708662/FLAG64b7ac5d9 [2021-10-21 19:30:36,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/accc64347/885f4f72104144fb853607741c708662 [2021-10-21 19:30:36,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:36,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:30:36,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:36,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:36,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:36,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:36" (1/1) ... [2021-10-21 19:30:36,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6f3338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:36, skipping insertion in model container [2021-10-21 19:30:36,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:36" (1/1) ... [2021-10-21 19:30:36,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:36,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:36,968 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-21 19:30:36,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:36,993 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:30:37,008 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-21 19:30:37,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:37,027 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:30:37,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37 WrapperNode [2021-10-21 19:30:37,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:37,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:37,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:30:37,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:30:37,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:37,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:30:37,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:30:37,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:30:37,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:30:37,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:30:37,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:30:37,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:30:37,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (1/1) ... [2021-10-21 19:30:37,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:37,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:37,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:37,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:30:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:30:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:30:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:30:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:30:37,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:30:37,443 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 19:30:37,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:37 BoogieIcfgContainer [2021-10-21 19:30:37,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:30:37,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:30:37,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:30:37,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:30:37,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:30:36" (1/3) ... [2021-10-21 19:30:37,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f86020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:37, skipping insertion in model container [2021-10-21 19:30:37,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:37" (2/3) ... [2021-10-21 19:30:37,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f86020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:37, skipping insertion in model container [2021-10-21 19:30:37,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:37" (3/3) ... [2021-10-21 19:30:37,467 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double.c [2021-10-21 19:30:37,479 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:30:37,479 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:30:37,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:30:37,591 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 19:30:37,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:30:37,620 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 19:30:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:30:37,628 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:37,628 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:30:37,629 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:30:37,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:37,635 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-21 19:30:37,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:37,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604215589] [2021-10-21 19:30:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:37,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:37,765 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:37,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:37,814 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:30:37,816 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:30:37,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:30:37,827 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:30:37,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:30:37 BoogieIcfgContainer [2021-10-21 19:30:37,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:30:37,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:30:37,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:30:37,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:30:37,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:37" (3/4) ... [2021-10-21 19:30:37,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:30:37,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:30:37,857 INFO L168 Benchmark]: Toolchain (without parser) took 1107.80 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.6 MB in the beginning and 78.6 MB in the end (delta: -22.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,858 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 64.4 MB in the beginning and 64.4 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:37,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.10 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.4 MB in the beginning and 103.8 MB in the end (delta: -47.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.00 ms. Allocated memory is still 127.9 MB. Free memory was 103.8 MB in the beginning and 102.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,861 INFO L168 Benchmark]: Boogie Preprocessor took 40.48 ms. Allocated memory is still 127.9 MB. Free memory was 102.4 MB in the beginning and 101.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:37,862 INFO L168 Benchmark]: RCFGBuilder took 315.32 ms. Allocated memory is still 127.9 MB. Free memory was 101.0 MB in the beginning and 92.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,863 INFO L168 Benchmark]: TraceAbstraction took 399.44 ms. Allocated memory is still 127.9 MB. Free memory was 91.9 MB in the beginning and 79.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,864 INFO L168 Benchmark]: Witness Printer took 5.81 ms. Allocated memory is still 127.9 MB. Free memory was 79.3 MB in the beginning and 78.6 MB in the end (delta: 677.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:37,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 64.4 MB in the beginning and 64.4 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.10 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.4 MB in the beginning and 103.8 MB in the end (delta: -47.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.00 ms. Allocated memory is still 127.9 MB. Free memory was 103.8 MB in the beginning and 102.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.48 ms. Allocated memory is still 127.9 MB. Free memory was 102.4 MB in the beginning and 101.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 315.32 ms. Allocated memory is still 127.9 MB. Free memory was 101.0 MB in the beginning and 92.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 399.44 ms. Allocated memory is still 127.9 MB. Free memory was 91.9 MB in the beginning and 79.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.81 ms. Allocated memory is still 127.9 MB. Free memory was 79.3 MB in the beginning and 78.6 MB in the end (delta: 677.8 kB). There was no memory consumed. 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: 8]: 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. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 257.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.5ms, 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: 7.1ms SsaConstructionTime, 48.7ms 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 19:30:37,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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 19:30:40,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:40,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:40,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:40,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:40,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:40,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:40,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:40,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:40,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:40,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:40,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:40,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:40,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:40,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:40,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:40,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:40,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:40,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:40,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:40,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:40,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:40,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:40,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:41,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:41,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:41,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:41,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:41,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:41,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:41,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:41,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:41,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:41,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:41,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:41,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:41,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:41,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:41,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:41,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:41,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:41,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:30:41,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:41,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:41,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:41,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:41,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:41,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:41,105 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:41,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:41,107 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:30:41,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:30:41,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:41,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:30:41,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:30:41,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:30:41,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:30:41,111 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:30:41,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:30:41,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:30:41,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:41,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:30:41,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:41,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:41,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:30:41,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:41,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:41,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:30:41,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:30:41,116 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:30:41,116 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:30:41,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:30:41,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:30:41,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:30:41,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:41,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:30:41,119 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2021-10-21 19:30:41,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:41,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:41,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:41,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:41,648 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:41,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-benchs/nan_double.c [2021-10-21 19:30:41,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/48e02f889/eb1b1bc3bf7a4973ba204ccffa6ee457/FLAG16c8403fe [2021-10-21 19:30:42,388 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:42,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/sv-benchmarks/c/float-benchs/nan_double.c [2021-10-21 19:30:42,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/48e02f889/eb1b1bc3bf7a4973ba204ccffa6ee457/FLAG16c8403fe [2021-10-21 19:30:42,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/data/48e02f889/eb1b1bc3bf7a4973ba204ccffa6ee457 [2021-10-21 19:30:42,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:42,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:30:42,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:42,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:42,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:42,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:42" (1/1) ... [2021-10-21 19:30:42,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c1aea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:42, skipping insertion in model container [2021-10-21 19:30:42,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:42" (1/1) ... [2021-10-21 19:30:42,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:42,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:43,001 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-21 19:30:43,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:43,033 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:30:43,050 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_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-21 19:30:43,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:43,074 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:30:43,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43 WrapperNode [2021-10-21 19:30:43,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:43,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:43,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:30:43,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:30:43,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:43,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:30:43,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:30:43,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:30:43,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:30:43,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:30:43,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:30:43,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:30:43,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (1/1) ... [2021-10-21 19:30:43,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:43,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:43,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:43,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:30:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:30:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:30:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:30:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:30:43,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:30:43,497 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 19:30:43,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:43 BoogieIcfgContainer [2021-10-21 19:30:43,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:30:43,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:30:43,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:30:43,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:30:43,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:30:42" (1/3) ... [2021-10-21 19:30:43,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1104115e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:43, skipping insertion in model container [2021-10-21 19:30:43,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:43" (2/3) ... [2021-10-21 19:30:43,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1104115e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:43, skipping insertion in model container [2021-10-21 19:30:43,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:43" (3/3) ... [2021-10-21 19:30:43,509 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double.c [2021-10-21 19:30:43,515 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:30:43,516 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:30:43,570 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:30:43,578 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 19:30:43,579 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:30:43,608 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 19:30:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:30:43,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:43,634 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:30:43,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:30:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:43,641 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-21 19:30:43,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:43,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4858582] [2021-10-21 19:30:43,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:43,657 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:43,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:43,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:43,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:30:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:43,791 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:43,854 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:30:43,856 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:30:43,858 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:30:43,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:44,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:44,083 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:30:44,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:30:44 BoogieIcfgContainer [2021-10-21 19:30:44,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:30:44,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:30:44,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:30:44,121 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:30:44,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:43" (3/4) ... [2021-10-21 19:30:44,124 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:30:44,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:30:44,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:30:44,183 INFO L168 Benchmark]: Toolchain (without parser) took 1427.13 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 28.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:44,188 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:44,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.31 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 35.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:44,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.57 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 33.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:44,193 INFO L168 Benchmark]: Boogie Preprocessor took 49.25 ms. Allocated memory is still 65.0 MB. Free memory was 33.9 MB in the beginning and 32.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:44,193 INFO L168 Benchmark]: RCFGBuilder took 325.78 ms. Allocated memory is still 65.0 MB. Free memory was 32.8 MB in the beginning and 41.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:44,194 INFO L168 Benchmark]: TraceAbstraction took 610.16 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 29.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:44,198 INFO L168 Benchmark]: Witness Printer took 57.26 ms. Allocated memory is still 65.0 MB. Free memory was 29.7 MB in the beginning and 28.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:44,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.31 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 35.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.57 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 33.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.25 ms. Allocated memory is still 65.0 MB. Free memory was 33.9 MB in the beginning and 32.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 325.78 ms. Allocated memory is still 65.0 MB. Free memory was 32.8 MB in the beginning and 41.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 610.16 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 29.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 57.26 ms. Allocated memory is still 65.0 MB. Free memory was 29.7 MB in the beginning and 28.2 MB in the end (delta: 1.4 MB). There was no memory consumed. 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 - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 513.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 43.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.5ms, 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: 13.4ms SsaConstructionTime, 56.9ms 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 proved your program to be incorrect! [2021-10-21 19:30:44,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803ad6fa-7e28-40b4-b0c0-0b6907d8bf27/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...