./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Flip.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Flip.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9e2051c5b6571a6a73804cb724a9fb9a88e5e404b5e850e3a8c166e2eba4aad --- 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-8393723 [2022-11-19 07:12:44,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:12:44,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:12:44,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:12:44,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:12:44,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:12:44,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:12:44,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:12:44,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:12:44,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:12:44,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:12:44,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:12:44,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:12:44,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:12:44,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:12:44,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:12:44,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:12:44,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:12:44,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:12:44,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:12:44,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:12:44,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:12:44,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:12:44,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:12:44,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:12:44,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:12:44,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:12:44,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:12:44,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:12:44,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:12:44,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:12:44,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:12:44,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:12:44,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:12:44,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:12:44,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:12:44,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:12:44,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:12:44,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:12:44,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:12:44,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:12:44,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 07:12:44,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:12:44,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:12:44,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:12:44,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:12:44,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:12:44,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:12:44,965 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:12:44,965 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:12:44,966 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:12:44,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:12:44,967 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:12:44,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:12:44,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:12:44,968 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:12:44,968 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:12:44,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:12:44,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:12:44,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:12:44,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:12:44,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:12:44,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:12:44,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:12:44,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:12:44,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:12:44,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:12:44,988 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:12:44,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:12:44,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:12:44,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:12:44,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:12:44,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:12:44,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:44,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:12:44,990 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:12:44,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:12:44,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:12:44,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:12:44,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:12:44,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:12:44,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:12:44,992 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_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e2051c5b6571a6a73804cb724a9fb9a88e5e404b5e850e3a8c166e2eba4aad [2022-11-19 07:12:45,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:12:45,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:12:45,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:12:45,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:12:45,267 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:12:45,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/termination-restricted-15/Flip.c [2022-11-19 07:12:45,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/data/33932fb57/95366a2747354c22874a2baad981e88d/FLAGc56375566 [2022-11-19 07:12:45,839 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:12:45,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/sv-benchmarks/c/termination-restricted-15/Flip.c [2022-11-19 07:12:45,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/data/33932fb57/95366a2747354c22874a2baad981e88d/FLAGc56375566 [2022-11-19 07:12:46,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/data/33932fb57/95366a2747354c22874a2baad981e88d [2022-11-19 07:12:46,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:12:46,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:12:46,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:46,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:12:46,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:12:46,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dccd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46, skipping insertion in model container [2022-11-19 07:12:46,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:12:46,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:12:46,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:46,444 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:12:46,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:46,487 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:12:46,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46 WrapperNode [2022-11-19 07:12:46,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:46,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:46,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:12:46,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:12:46,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,517 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-19 07:12:46,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:46,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:12:46,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:12:46,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:12:46,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,535 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:12:46,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:12:46,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:12:46,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:12:46,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:46,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:12:46,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:12:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:12:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:12:46,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:12:46,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:12:46,791 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:12:46,817 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:12:46,820 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:12:46,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:46 BoogieIcfgContainer [2022-11-19 07:12:46,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:12:46,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:12:46,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:12:46,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:12:46,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:12:46" (1/3) ... [2022-11-19 07:12:46,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557f1b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:46, skipping insertion in model container [2022-11-19 07:12:46,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (2/3) ... [2022-11-19 07:12:46,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557f1b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:46, skipping insertion in model container [2022-11-19 07:12:46,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:46" (3/3) ... [2022-11-19 07:12:46,837 INFO L112 eAbstractionObserver]: Analyzing ICFG Flip.c [2022-11-19 07:12:46,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:12:46,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 07:12:46,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557f1b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:12:46, skipping insertion in model container [2022-11-19 07:12:46,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:12:46,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:12:46,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:12:46,860 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:12:46,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:46" (3/3) ... [2022-11-19 07:12:46,864 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:12:46,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-19 07:12:46,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:12:46,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:12:46,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:12:46,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:12:46,943 INFO L158 Benchmark]: Toolchain (without parser) took 701.58ms. Allocated memory is still 144.7MB. Free memory was 102.4MB in the beginning and 103.6MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:12:46,944 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:12:46,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.95ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 120.5MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:12:46,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.55ms. Allocated memory is still 144.7MB. Free memory was 120.5MB in the beginning and 118.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:12:46,951 INFO L158 Benchmark]: Boogie Preprocessor took 20.62ms. Allocated memory is still 144.7MB. Free memory was 118.9MB in the beginning and 118.4MB in the end (delta: 562.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:12:46,951 INFO L158 Benchmark]: RCFGBuilder took 287.17ms. Allocated memory is still 144.7MB. Free memory was 118.4MB in the beginning and 109.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:12:46,952 INFO L158 Benchmark]: TraceAbstraction took 29.68ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 106.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:12:46,952 INFO L158 Benchmark]: Witness Printer took 81.42ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 103.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:12:46,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.95ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 120.5MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.55ms. Allocated memory is still 144.7MB. Free memory was 120.5MB in the beginning and 118.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.62ms. Allocated memory is still 144.7MB. Free memory was 118.9MB in the beginning and 118.4MB in the end (delta: 562.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.17ms. Allocated memory is still 144.7MB. Free memory was 118.4MB in the beginning and 109.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29.68ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 106.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 81.42ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 103.6MB 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: - 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! [2022-11-19 07:12:46,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d53a9a6-9061-4cd3-9de4-fa924ed63489/bin/utaipan-I9t0OCRTmS/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