./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE --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 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:35:37,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:35:37,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:35:37,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:35:37,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:35:37,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:35:37,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:35:37,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:35:37,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:35:37,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:35:37,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:35:37,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:35:37,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:35:37,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:35:37,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:35:37,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:35:37,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:35:37,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:35:37,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:35:37,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:35:37,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:35:38,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:35:38,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:35:38,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:35:38,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:35:38,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:35:38,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:35:38,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:35:38,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:35:38,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:35:38,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:35:38,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:35:38,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:35:38,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:35:38,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:35:38,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:35:38,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:35:38,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:35:38,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:35:38,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:35:38,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:35:38,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:35:38,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:35:38,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:35:38,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:35:38,067 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:35:38,068 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:35:38,068 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:35:38,068 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:35:38,068 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:35:38,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:35:38,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:35:38,076 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:35:38,076 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:35:38,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:35:38,077 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:35:38,077 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:35:38,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:35:38,078 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:35:38,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:35:38,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:35:38,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:35:38,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:35:38,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:35:38,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:35:38,079 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:35:38,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:35:38,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:35:38,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:35:38,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:35:38,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:35:38,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:35:38,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:38,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:35:38,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:35:38,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:35:38,083 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:35:38,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:35:38,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:35:38,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:35:38,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:35:38,084 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_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b9d9290c420f95de26dff76c863307d47554289ec4aaa25ec1eca65c9285ac [2021-10-24 10:35:38,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:35:38,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:35:38,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:35:38,392 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:35:38,393 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:35:38,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2021-10-24 10:35:38,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/data/c9fd863f5/fd9586c3304742ccb68b8d9870ec4aa9/FLAGdc0657191 [2021-10-24 10:35:38,903 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:35:38,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/sv-benchmarks/c/float-benchs/cast_float_union.c [2021-10-24 10:35:38,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/data/c9fd863f5/fd9586c3304742ccb68b8d9870ec4aa9/FLAGdc0657191 [2021-10-24 10:35:39,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/data/c9fd863f5/fd9586c3304742ccb68b8d9870ec4aa9 [2021-10-24 10:35:39,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:35:39,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:35:39,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:39,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:35:39,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:35:39,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef3c2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39, skipping insertion in model container [2021-10-24 10:35:39,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:35:39,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:39,525 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_ef5e307f-c55b-4351-8485-623db8530b54/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-10-24 10:35:39,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:39,565 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:35:39,583 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_ef5e307f-c55b-4351-8485-623db8530b54/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-10-24 10:35:39,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:39,621 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:35:39,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39 WrapperNode [2021-10-24 10:35:39,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:39,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:35:39,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:35:39,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:35:39,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:35:39,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:35:39,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:35:39,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:35:39,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:35:39,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:35:39,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:35:39,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:35:39,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (1/1) ... [2021-10-24 10:35:39,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:39,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:35:39,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:35:39,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:35:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:35:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:35:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-24 10:35:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 10:35:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-24 10:35:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:35:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:35:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 10:35:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:35:40,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:35:40,385 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-24 10:35:40,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:40 BoogieIcfgContainer [2021-10-24 10:35:40,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:35:40,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:35:40,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:35:40,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:35:40,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:35:39" (1/3) ... [2021-10-24 10:35:40,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a4f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:40, skipping insertion in model container [2021-10-24 10:35:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:39" (2/3) ... [2021-10-24 10:35:40,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a4f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:40, skipping insertion in model container [2021-10-24 10:35:40,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:40" (3/3) ... [2021-10-24 10:35:40,399 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2021-10-24 10:35:40,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:35:40,405 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-24 10:35:40,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a4f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:35:40, skipping insertion in model container [2021-10-24 10:35:40,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:35:40,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:35:40,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:35:40,408 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:35:40,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:40" (3/3) ... [2021-10-24 10:35:40,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:35:40,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-24 10:35:40,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-24 10:35:40,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:35:40,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:35:40,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:35:40,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:35:40,484 INFO L168 Benchmark]: Toolchain (without parser) took 1176.62 ms. Allocated memory is still 109.1 MB. Free memory was 77.2 MB in the beginning and 56.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:40,485 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:35:40,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.16 ms. Allocated memory is still 109.1 MB. Free memory was 76.9 MB in the beginning and 83.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:40,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.74 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:40,487 INFO L168 Benchmark]: Boogie Preprocessor took 44.31 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 81.1 MB in the end (delta: 883.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:40,488 INFO L168 Benchmark]: RCFGBuilder took 671.88 ms. Allocated memory is still 109.1 MB. Free memory was 81.1 MB in the beginning and 60.5 MB in the end (delta: 20.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:40,488 INFO L168 Benchmark]: TraceAbstraction took 16.89 ms. Allocated memory is still 109.1 MB. Free memory was 59.7 MB in the beginning and 58.9 MB in the end (delta: 780.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:35:40,489 INFO L168 Benchmark]: Witness Printer took 74.63 ms. Allocated memory is still 109.1 MB. Free memory was 58.9 MB in the beginning and 56.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:40,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.16 ms. Allocated memory is still 109.1 MB. Free memory was 76.9 MB in the beginning and 83.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.74 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.31 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 81.1 MB in the end (delta: 883.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 671.88 ms. Allocated memory is still 109.1 MB. Free memory was 81.1 MB in the beginning and 60.5 MB in the end (delta: 20.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16.89 ms. Allocated memory is still 109.1 MB. Free memory was 59.7 MB in the beginning and 58.9 MB in the end (delta: 780.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 74.63 ms. Allocated memory is still 109.1 MB. Free memory was 58.9 MB in the beginning and 56.3 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! [2021-10-24 10:35:40,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5e307f-c55b-4351-8485-623db8530b54/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...