./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55b9d9290c420f95de26dff76c863307d47554289ec4aaa25ec1eca65c9285ac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:42:56,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:42:56,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:42:56,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:42:56,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:42:56,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:42:56,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:42:56,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:42:56,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:42:56,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:42:56,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:42:56,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:42:56,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:42:56,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:42:56,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:42:56,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:42:56,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:42:56,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:42:56,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:42:56,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:42:56,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:42:56,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:42:56,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:42:56,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:42:56,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:42:56,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:42:56,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:42:56,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:42:56,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:42:56,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:42:56,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:42:56,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:42:56,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:42:56,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:42:56,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:42:56,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:42:56,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:42:56,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:42:56,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:42:56,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:42:56,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:42:56,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:42:56,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:42:56,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:42:56,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:42:56,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:42:56,149 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:42:56,149 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:42:56,149 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:42:56,149 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:42:56,150 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:42:56,150 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:42:56,150 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:42:56,150 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:42:56,151 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:42:56,151 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:42:56,151 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:42:56,151 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:42:56,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:42:56,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:42:56,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:42:56,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:42:56,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:42:56,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:42:56,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:42:56,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:42:56,154 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:42:56,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:42:56,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:42:56,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:42:56,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:42:56,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:42:56,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:42:56,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:56,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:42:56,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:42:56,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:42:56,157 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:42:56,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:42:56,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:42:56,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:42:56,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:42:56,158 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b9d9290c420f95de26dff76c863307d47554289ec4aaa25ec1eca65c9285ac [2021-11-13 01:42:56,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:42:56,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:42:56,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:42:56,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:42:56,429 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:42:56,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2021-11-13 01:42:56,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/data/3621ee208/fc4959ca5cbb488aab1892cba7360496/FLAGd8eb0ea0a [2021-11-13 01:42:57,003 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:42:57,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/sv-benchmarks/c/float-benchs/cast_float_union.c [2021-11-13 01:42:57,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/data/3621ee208/fc4959ca5cbb488aab1892cba7360496/FLAGd8eb0ea0a [2021-11-13 01:42:57,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/data/3621ee208/fc4959ca5cbb488aab1892cba7360496 [2021-11-13 01:42:57,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:42:57,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:42:57,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:57,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:42:57,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:42:57,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd69298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57, skipping insertion in model container [2021-11-13 01:42:57,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:42:57,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:42:57,611 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_0e026d12-69b6-4c12-acff-37bc7862487a/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-11-13 01:42:57,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:57,657 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:42:57,669 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_0e026d12-69b6-4c12-acff-37bc7862487a/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-11-13 01:42:57,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:57,692 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:42:57,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57 WrapperNode [2021-11-13 01:42:57,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:57,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:42:57,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:42:57,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:42:57,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:42:57,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:42:57,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:42:57,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:42:57,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:42:57,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:42:57,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:42:57,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:42:57,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (1/1) ... [2021-11-13 01:42:57,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:57,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:42:57,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:42:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:42:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:42:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-13 01:42:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:42:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-13 01:42:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:42:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:42:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:42:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:42:58,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:42:58,215 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:42:58,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:58 BoogieIcfgContainer [2021-11-13 01:42:58,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:42:58,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:42:58,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:42:58,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:42:58,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:42:57" (1/3) ... [2021-11-13 01:42:58,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32320da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:58, skipping insertion in model container [2021-11-13 01:42:58,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:57" (2/3) ... [2021-11-13 01:42:58,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32320da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:58, skipping insertion in model container [2021-11-13 01:42:58,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:58" (3/3) ... [2021-11-13 01:42:58,226 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2021-11-13 01:42:58,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:42:58,232 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-13 01:42:58,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32320da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:42:58, skipping insertion in model container [2021-11-13 01:42:58,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:42:58,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:42:58,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:42:58,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:42:58,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:58" (3/3) ... [2021-11-13 01:42:58,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:42:58,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-13 01:42:58,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 01:42:58,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 01:42:58,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:42:58,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:42:58,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:42:58,295 INFO L158 Benchmark]: Toolchain (without parser) took 904.58ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 48.1MB in the end (delta: 21.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:58,296 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:42:58,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.94ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 71.5MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 01:42:58,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:58,298 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:58,298 INFO L158 Benchmark]: RCFGBuilder took 461.53ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 52.3MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 01:42:58,299 INFO L158 Benchmark]: TraceAbstraction took 14.61ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 50.8MB in the end (delta: 971.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:42:58,299 INFO L158 Benchmark]: Witness Printer took 58.74ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:58,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.94ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 71.5MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.53ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 52.3MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14.61ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 50.8MB in the end (delta: 971.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.74ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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! [2021-11-13 01:42:58,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e026d12-69b6-4c12-acff-37bc7862487a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE