./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:57:39,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:57:39,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:57:39,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:57:39,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:57:39,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:57:39,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:57:39,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:57:39,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:57:39,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:57:39,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:57:39,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:57:39,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:57:39,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:57:39,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:57:39,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:57:39,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:57:39,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:57:39,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:57:39,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:57:39,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:57:39,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:57:39,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:57:39,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:57:39,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:57:39,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:57:39,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:57:39,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:57:39,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:57:39,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:57:39,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:57:39,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:57:39,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:57:39,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:57:39,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:57:39,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:57:39,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:57:39,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:57:39,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:57:39,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:57:39,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:57:39,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 09:57:39,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:57:39,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:57:39,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:57:39,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:57:39,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:57:39,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:57:39,591 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:57:39,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:57:39,591 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:57:39,591 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:57:39,592 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:57:39,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:57:39,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:57:39,592 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:57:39,592 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:57:39,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:57:39,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:57:39,593 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:57:39,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:57:39,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:57:39,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:57:39,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:57:39,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:57:39,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:57:39,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:57:39,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:57:39,594 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:57:39,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:57:39,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:57:39,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:57:39,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:57:39,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:57:39,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:39,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:57:39,596 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:57:39,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:57:39,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:57:39,596 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:57:39,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:57:39,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:57:39,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:57:39,597 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_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b9d9290c420f95de26dff76c863307d47554289ec4aaa25ec1eca65c9285ac [2022-12-14 09:57:39,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:57:39,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:57:39,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:57:39,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:57:39,800 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:57:39,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2022-12-14 09:57:42,463 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:57:42,606 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:57:42,607 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/sv-benchmarks/c/float-benchs/cast_float_union.c [2022-12-14 09:57:42,611 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/data/5fbb5d6b4/722f601c5866412a87413c97959280ac/FLAGd9d851675 [2022-12-14 09:57:42,621 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/data/5fbb5d6b4/722f601c5866412a87413c97959280ac [2022-12-14 09:57:42,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:57:42,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:57:42,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:42,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:57:42,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:57:42,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1651db8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42, skipping insertion in model container [2022-12-14 09:57:42,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:57:42,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:57:42,744 WARN L237 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_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2022-12-14 09:57:42,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:42,762 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:57:42,770 WARN L237 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_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2022-12-14 09:57:42,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:42,786 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:57:42,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42 WrapperNode [2022-12-14 09:57:42,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:42,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:42,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:57:42,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:57:42,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,811 INFO L138 Inliner]: procedures = 18, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-12-14 09:57:42,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:42,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:57:42,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:57:42,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:57:42,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:57:42,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:57:42,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:57:42,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:57:42,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (1/1) ... [2022-12-14 09:57:42,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:42,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:57:42,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:57:42,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:57:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:57:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:57:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:57:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-14 09:57:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:57:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-14 09:57:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:57:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:57:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:57:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:57:42,943 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:57:42,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:57:43,058 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:57:43,192 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:57:43,192 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:57:43,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:43 BoogieIcfgContainer [2022-12-14 09:57:43,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:57:43,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:57:43,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:57:43,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:57:43,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:57:42" (1/3) ... [2022-12-14 09:57:43,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:43, skipping insertion in model container [2022-12-14 09:57:43,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:42" (2/3) ... [2022-12-14 09:57:43,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:43, skipping insertion in model container [2022-12-14 09:57:43,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:43" (3/3) ... [2022-12-14 09:57:43,202 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2022-12-14 09:57:43,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:57:43,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-14 09:57:43,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:57:43, skipping insertion in model container [2022-12-14 09:57:43,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:57:43,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:57:43,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:57:43,224 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:57:43,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:43" (3/3) ... [2022-12-14 09:57:43,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:57:43,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-14 09:57:43,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 09:57:43,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 09:57:43,238 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:57:43,272 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:57:43,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:57:43,274 INFO L158 Benchmark]: Toolchain (without parser) took 649.90ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 50.5MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,274 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:43,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.28ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 79.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.11ms. Allocated memory is still 121.6MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,275 INFO L158 Benchmark]: Boogie Preprocessor took 17.20ms. Allocated memory is still 121.6MB. Free memory was 77.3MB in the beginning and 76.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,276 INFO L158 Benchmark]: RCFGBuilder took 365.10ms. Allocated memory is still 121.6MB. Free memory was 76.0MB in the beginning and 56.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,276 INFO L158 Benchmark]: TraceAbstraction took 26.27ms. Allocated memory is still 121.6MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,277 INFO L158 Benchmark]: Witness Printer took 49.23ms. Allocated memory is still 121.6MB. Free memory was 53.3MB in the beginning and 50.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:57:43,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.28ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 79.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.11ms. Allocated memory is still 121.6MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.20ms. Allocated memory is still 121.6MB. Free memory was 77.3MB in the beginning and 76.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.10ms. Allocated memory is still 121.6MB. Free memory was 76.0MB in the beginning and 56.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 26.27ms. Allocated memory is still 121.6MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 49.23ms. Allocated memory is still 121.6MB. Free memory was 53.3MB in the beginning and 50.5MB in the end (delta: 2.8MB). 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-12-14 09:57:43,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18a00ff-6a6a-4aa4-b139-e74c001adfc9/bin/utaipan-gh47qXpMRh/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