./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY --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 55b9d9290c420f95de26dff76c863307d47554289ec4aaa25ec1eca65c9285ac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:21:11,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:21:11,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:21:11,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:21:11,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:21:11,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:21:11,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:21:11,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:21:11,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:21:11,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:21:11,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:21:11,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:21:11,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:21:11,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:21:11,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:21:11,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:21:11,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:21:11,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:21:11,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:21:11,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:21:11,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:21:11,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:21:11,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:21:11,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:21:11,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:21:11,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:21:11,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:21:11,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:21:11,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:21:11,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:21:11,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:21:11,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:21:11,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:21:11,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:21:11,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:21:11,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:21:11,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:21:11,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:21:11,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:21:11,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:21:11,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:21:11,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:21:11,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:21:11,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:21:11,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:21:11,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:21:11,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:21:11,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:21:11,882 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:21:11,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:21:11,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:21:11,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:21:11,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:21:11,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:21:11,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:21:11,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:21:11,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:21:11,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:21:11,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:21:11,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:21:11,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:21:11,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:21:11,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:21:11,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:21:11,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:21:11,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:21:11,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:21:11,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:21:11,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:21:11,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:21:11,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:21:11,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:21:11,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:21:11,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:21:11,890 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_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b9d9290c420f95de26dff76c863307d47554289ec4aaa25ec1eca65c9285ac [2021-11-07 08:21:12,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:21:12,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:21:12,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:21:12,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:21:12,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:21:12,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2021-11-07 08:21:12,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/data/7fce819bd/fe4ea1acc2a7483b998e77688e58cd69/FLAGc83360094 [2021-11-07 08:21:12,711 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:21:12,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/sv-benchmarks/c/float-benchs/cast_float_union.c [2021-11-07 08:21:12,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/data/7fce819bd/fe4ea1acc2a7483b998e77688e58cd69/FLAGc83360094 [2021-11-07 08:21:13,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/data/7fce819bd/fe4ea1acc2a7483b998e77688e58cd69 [2021-11-07 08:21:13,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:21:13,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:21:13,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:21:13,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:21:13,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:21:13,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e9c916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13, skipping insertion in model container [2021-11-07 08:21:13,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:21:13,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:21:13,331 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_6566e415-9815-4d13-8940-8c6ca46c01d6/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-11-07 08:21:13,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:21:13,355 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:21:13,368 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_6566e415-9815-4d13-8940-8c6ca46c01d6/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-11-07 08:21:13,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:21:13,389 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:21:13,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13 WrapperNode [2021-11-07 08:21:13,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:21:13,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:21:13,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:21:13,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:21:13,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:21:13,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:21:13,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:21:13,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:21:13,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:21:13,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:21:13,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:21:13,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:21:13,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (1/1) ... [2021-11-07 08:21:13,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:21:13,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:21:13,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:21:13,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:21:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:21:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:21:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-07 08:21:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:21:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-07 08:21:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:21:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:21:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:21:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:21:13,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:21:13,780 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 08:21:13,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:13 BoogieIcfgContainer [2021-11-07 08:21:13,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:21:13,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:21:13,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:21:13,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:21:13,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:21:13" (1/3) ... [2021-11-07 08:21:13,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f90cb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:21:13, skipping insertion in model container [2021-11-07 08:21:13,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:13" (2/3) ... [2021-11-07 08:21:13,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f90cb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:21:13, skipping insertion in model container [2021-11-07 08:21:13,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:13" (3/3) ... [2021-11-07 08:21:13,790 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2021-11-07 08:21:13,796 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:21:13,796 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-07 08:21:13,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f90cb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:21:13, skipping insertion in model container [2021-11-07 08:21:13,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:21:13,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:21:13,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:21:13,799 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:21:13,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:13" (3/3) ... [2021-11-07 08:21:13,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:21:13,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-07 08:21:13,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:21:13,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:21:13,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:21:13,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:21:13,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:21:13,874 INFO L168 Benchmark]: Toolchain (without parser) took 770.47 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 71.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:21:13,875 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 89.2 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:21:13,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.50 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 89.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:21:13,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.91 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:21:13,878 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 ms. Allocated memory is still 115.3 MB. Free memory was 87.0 MB in the beginning and 86.4 MB in the end (delta: 656.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:21:13,879 INFO L168 Benchmark]: RCFGBuilder took 332.23 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 75.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:21:13,880 INFO L168 Benchmark]: TraceAbstraction took 13.82 ms. Allocated memory is still 115.3 MB. Free memory was 75.2 MB in the beginning and 74.4 MB in the end (delta: 788.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:21:13,881 INFO L168 Benchmark]: Witness Printer took 73.22 ms. Allocated memory is still 115.3 MB. Free memory was 74.4 MB in the beginning and 71.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:21:13,904 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 115.3 MB. Free memory was 89.2 MB in the beginning and 89.2 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.50 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 89.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.91 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.70 ms. Allocated memory is still 115.3 MB. Free memory was 87.0 MB in the beginning and 86.4 MB in the end (delta: 656.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 332.23 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 75.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13.82 ms. Allocated memory is still 115.3 MB. Free memory was 75.2 MB in the beginning and 74.4 MB in the end (delta: 788.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 73.22 ms. Allocated memory is still 115.3 MB. Free memory was 74.4 MB in the beginning and 71.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-07 08:21:13,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6566e415-9815-4d13-8940-8c6ca46c01d6/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE