./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 --- 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 [2022-12-13 20:19:53,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:19:53,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:19:53,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:19:53,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:19:53,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:19:53,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:19:53,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:19:53,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:19:53,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:19:53,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:19:53,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:19:53,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:19:53,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:19:53,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:19:53,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:19:53,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:19:53,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:19:53,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:19:53,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:19:53,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:19:53,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:19:53,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:19:53,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:19:53,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:19:53,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:19:53,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:19:53,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:19:53,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:19:53,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:19:53,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:19:53,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:19:53,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:19:53,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:19:53,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:19:53,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:19:53,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:19:53,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:19:53,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:19:53,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:19:53,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:19:53,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:19:53,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:19:53,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:19:53,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:19:53,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:19:53,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:19:53,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:19:53,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:19:53,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:19:53,690 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:19:53,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:19:53,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:19:53,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:19:53,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:19:53,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:19:53,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:19:53,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:19:53,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:19:53,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:19:53,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:19:53,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:19:53,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:19:53,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:19:53,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:19:53,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:19:53,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:19:53,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:19:53,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:19:53,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:19:53,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:19:53,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:19:53,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:19:53,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:19:53,694 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:19:53,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:19:53,695 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:19:53,695 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2022-12-13 20:19:53,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:19:53,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:19:53,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:19:53,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:19:53,895 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:19:53,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/float_double.c [2022-12-13 20:19:56,580 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:19:56,737 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:19:56,737 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/sv-benchmarks/c/float-benchs/float_double.c [2022-12-13 20:19:56,743 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data/bd96b05b1/7399f90e6e6545b28695eadfdc45a1f7/FLAG1f63719d1 [2022-12-13 20:19:56,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data/bd96b05b1/7399f90e6e6545b28695eadfdc45a1f7 [2022-12-13 20:19:56,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:19:56,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:19:56,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:19:56,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:19:56,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:19:56,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596f39b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56, skipping insertion in model container [2022-12-13 20:19:56,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:19:56,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:19:56,919 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_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2022-12-13 20:19:56,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:19:56,934 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:19:56,942 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_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2022-12-13 20:19:56,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:19:56,954 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:19:56,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56 WrapperNode [2022-12-13 20:19:56,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:19:56,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:19:56,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:19:56,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:19:56,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,981 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-12-13 20:19:56,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:19:56,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:19:56,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:19:56,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:19:56,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:56,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:19:56,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:19:57,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:19:57,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:19:57,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (1/1) ... [2022-12-13 20:19:57,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:19:57,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:19:57,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:19:57,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:19:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:19:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:19:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:19:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:19:57,118 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:19:57,120 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:19:57,181 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:19:57,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:19:57,186 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:19:57,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:19:57 BoogieIcfgContainer [2022-12-13 20:19:57,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:19:57,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:19:57,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:19:57,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:19:57,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:19:56" (1/3) ... [2022-12-13 20:19:57,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff7f015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:19:57, skipping insertion in model container [2022-12-13 20:19:57,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:56" (2/3) ... [2022-12-13 20:19:57,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff7f015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:19:57, skipping insertion in model container [2022-12-13 20:19:57,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:19:57" (3/3) ... [2022-12-13 20:19:57,195 INFO L112 eAbstractionObserver]: Analyzing ICFG float_double.c [2022-12-13 20:19:57,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:19:57,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:19:57,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:19:57,270 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ffd8f12, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:19:57,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:19:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 20:19:57,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:19:57,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 20:19:57,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:19:57,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:57,287 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-13 20:19:57,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:57,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712991830] [2022-12-13 20:19:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:57,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:57,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:57,393 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:19:57,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:19:57,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:19:57,401 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:19:57,405 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:19:57,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:19:57 BoogieIcfgContainer [2022-12-13 20:19:57,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:19:57,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:19:57,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:19:57,420 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:19:57,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:19:57" (3/4) ... [2022-12-13 20:19:57,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:19:57,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:19:57,425 INFO L158 Benchmark]: Toolchain (without parser) took 665.52ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 72.7MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 20:19:57,425 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:19:57,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.63ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 97.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:19:57,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.55ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:19:57,427 INFO L158 Benchmark]: Boogie Preprocessor took 16.37ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:19:57,427 INFO L158 Benchmark]: RCFGBuilder took 187.73ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 86.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 20:19:57,428 INFO L158 Benchmark]: TraceAbstraction took 229.94ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 73.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:19:57,429 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 72.7MB in the end (delta: 334.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:19:57,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.63ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 97.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.55ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.37ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 187.73ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 86.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 229.94ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 73.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 72.7MB in the end (delta: 334.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L10] double x = 1e20 + 1.; [L11] float y = x; [L12] CALL __VERIFIER_assert(x != y) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 20:19:57,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 --- 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 [2022-12-13 20:19:59,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:19:59,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:19:59,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:19:59,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:19:59,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:19:59,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:19:59,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:19:59,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:19:59,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:19:59,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:19:59,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:19:59,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:19:59,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:19:59,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:19:59,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:19:59,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:19:59,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:19:59,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:19:59,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:19:59,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:19:59,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:19:59,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:19:59,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:19:59,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:19:59,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:19:59,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:19:59,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:19:59,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:19:59,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:19:59,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:19:59,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:19:59,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:19:59,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:19:59,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:19:59,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:19:59,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:19:59,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:19:59,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:19:59,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:19:59,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:19:59,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 20:19:59,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:19:59,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:19:59,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:19:59,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:19:59,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:19:59,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:19:59,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:19:59,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:19:59,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:19:59,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:19:59,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:19:59,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:19:59,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:19:59,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:19:59,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:19:59,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:19:59,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:19:59,269 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:19:59,270 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2022-12-13 20:19:59,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:19:59,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:19:59,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:19:59,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:19:59,496 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:19:59,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/float_double.c [2022-12-13 20:20:02,065 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:20:02,211 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:20:02,212 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/sv-benchmarks/c/float-benchs/float_double.c [2022-12-13 20:20:02,217 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data/05b671cca/a23941c930a943be8f0e17c1e8db98c9/FLAGaabf9b686 [2022-12-13 20:20:02,232 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/data/05b671cca/a23941c930a943be8f0e17c1e8db98c9 [2022-12-13 20:20:02,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:20:02,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:20:02,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:20:02,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:20:02,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:20:02,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ff0b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02, skipping insertion in model container [2022-12-13 20:20:02,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:20:02,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:20:02,373 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_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2022-12-13 20:20:02,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:20:02,393 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:20:02,403 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_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2022-12-13 20:20:02,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:20:02,417 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:20:02,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02 WrapperNode [2022-12-13 20:20:02,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:20:02,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:20:02,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:20:02,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:20:02,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,444 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-12-13 20:20:02,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:20:02,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:20:02,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:20:02,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:20:02,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:20:02,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:20:02,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:20:02,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:20:02,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (1/1) ... [2022-12-13 20:20:02,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:20:02,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:20:02,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:20:02,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:20:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:20:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:20:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:20:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:20:02,601 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:20:02,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:20:02,887 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:20:02,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:20:02,891 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:20:02,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:02 BoogieIcfgContainer [2022-12-13 20:20:02,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:20:02,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:20:02,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:20:02,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:20:02,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:20:02" (1/3) ... [2022-12-13 20:20:02,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd073f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:20:02, skipping insertion in model container [2022-12-13 20:20:02,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:02" (2/3) ... [2022-12-13 20:20:02,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd073f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:20:02, skipping insertion in model container [2022-12-13 20:20:02,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:02" (3/3) ... [2022-12-13 20:20:02,900 INFO L112 eAbstractionObserver]: Analyzing ICFG float_double.c [2022-12-13 20:20:02,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:20:02,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:20:02,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:20:02,952 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@88b7bcd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:20:02,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:20:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:20:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 20:20:02,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:20:02,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 20:20:02,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:20:02,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:02,965 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-13 20:20:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:20:02,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409488817] [2022-12-13 20:20:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:20:02,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:20:02,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:20:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 20:20:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:20:03,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:20:03,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:20:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:20:03,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:20:03,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:20:03,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409488817] [2022-12-13 20:20:03,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409488817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:20:03,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:20:03,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:20:03,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684977110] [2022-12-13 20:20:03,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:20:03,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:20:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:20:03,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:20:03,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:20:03,306 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:20:03,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:20:03,323 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-12-13 20:20:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:20:03,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-13 20:20:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:20:03,331 INFO L225 Difference]: With dead ends: 13 [2022-12-13 20:20:03,332 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:20:03,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:20:03,338 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:20:03,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:20:03,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:20:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:20:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:20:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:20:03,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-12-13 20:20:03,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:20:03,360 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:20:03,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:20:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:20:03,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:20:03,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:20:03,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:20:03,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:20:03,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:20:03,604 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:20:03,605 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:20:03,605 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:20:03,606 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-12-13 20:20:03,607 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:20:03,608 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 8 14) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-12-13 20:20:03,608 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-12-13 20:20:03,609 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-12-13 20:20:03,610 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-12-13 20:20:03,617 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:20:03,621 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:20:03,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:20:03 BoogieIcfgContainer [2022-12-13 20:20:03,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:20:03,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:20:03,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:20:03,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:20:03,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:02" (3/4) ... [2022-12-13 20:20:03,637 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:20:03,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 20:20:03,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 20:20:03,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:20:03,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:20:03,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:20:03,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:20:03,666 INFO L158 Benchmark]: Toolchain (without parser) took 1430.80ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 50.5MB in the end (delta: 3.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-12-13 20:20:03,666 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:03,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.04ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 43.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:20:03,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.59ms. Allocated memory is still 75.5MB. Free memory was 43.8MB in the beginning and 42.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:03,668 INFO L158 Benchmark]: Boogie Preprocessor took 21.79ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 41.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:03,668 INFO L158 Benchmark]: RCFGBuilder took 425.30ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 50.0MB in the end (delta: -9.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-12-13 20:20:03,669 INFO L158 Benchmark]: TraceAbstraction took 737.88ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 52.7MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:03,669 INFO L158 Benchmark]: Witness Printer took 32.58ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 50.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:03,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.04ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 43.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.59ms. Allocated memory is still 75.5MB. Free memory was 43.8MB in the beginning and 42.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.79ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 41.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.30ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 50.0MB in the end (delta: -9.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * TraceAbstraction took 737.88ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 52.7MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.58ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 50.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 4 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:20:03,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9356f1d1-9eb0-4537-8cc9-661bc7bd5b74/bin/uautomizer-uyxdKDjOR8/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