./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/parity.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0 --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 32bit --witnessprinter.graph.data.programhash d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- 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-e04fb08 [2022-11-16 20:00:46,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:00:46,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:00:46,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:00:46,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:00:46,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:00:46,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:00:46,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:00:46,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:00:46,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:00:46,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:00:46,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:00:46,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:00:46,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:00:46,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:00:46,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:00:46,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:00:46,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:00:46,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:00:46,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:00:46,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:00:46,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:00:46,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:00:46,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:00:46,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:00:46,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:00:46,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:00:46,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:00:46,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:00:46,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:00:46,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:00:46,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:00:46,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:00:46,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:00:46,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:00:46,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:00:46,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:00:46,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:00:46,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:00:46,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:00:46,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:00:46,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 20:00:46,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:00:46,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:00:46,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:00:46,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:00:46,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:00:46,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:00:46,816 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:00:46,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:00:46,817 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:00:46,817 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:00:46,818 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:00:46,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:00:46,818 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:00:46,819 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:00:46,819 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:00:46,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:00:46,819 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:00:46,820 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:00:46,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:00:46,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:00:46,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:00:46,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:00:46,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:00:46,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:00:46,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:00:46,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:00:46,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:00:46,824 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 20:00:46,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:00:46,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:00:46,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:00:46,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:00:46,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:00:46,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:00:46,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:00:46,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:00:46,826 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:00:46,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:00:46,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:00:46,827 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:00:46,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:00:46,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:00:46,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:00:46,828 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_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2022-11-16 20:00:47,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:00:47,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:00:47,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:00:47,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:00:47,182 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:00:47,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/bitvector/parity.i [2022-11-16 20:00:47,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/data/18c65a9f8/30c6d8a7de20466ea3d293a36336aced/FLAGc59a737cc [2022-11-16 20:00:47,854 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:00:47,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/sv-benchmarks/c/bitvector/parity.i [2022-11-16 20:00:47,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/data/18c65a9f8/30c6d8a7de20466ea3d293a36336aced/FLAGc59a737cc [2022-11-16 20:00:48,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/data/18c65a9f8/30c6d8a7de20466ea3d293a36336aced [2022-11-16 20:00:48,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:00:48,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:00:48,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:00:48,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:00:48,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:00:48,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@caf2259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48, skipping insertion in model container [2022-11-16 20:00:48,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:00:48,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:00:48,474 WARN L229 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_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2022-11-16 20:00:48,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:00:48,500 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:00:48,520 WARN L229 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_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2022-11-16 20:00:48,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:00:48,575 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:00:48,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48 WrapperNode [2022-11-16 20:00:48,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:00:48,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:00:48,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:00:48,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:00:48,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,639 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-11-16 20:00:48,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:00:48,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:00:48,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:00:48,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:00:48,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:00:48,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:00:48,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:00:48,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:00:48,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (1/1) ... [2022-11-16 20:00:48,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:00:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:00:48,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:00:48,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:00:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:00:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:00:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:00:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:00:48,873 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:00:48,875 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:00:49,113 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:00:49,351 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:00:49,351 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 20:00:49,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:00:49 BoogieIcfgContainer [2022-11-16 20:00:49,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:00:49,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:00:49,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:00:49,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:00:49,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:00:48" (1/3) ... [2022-11-16 20:00:49,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779735e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:49, skipping insertion in model container [2022-11-16 20:00:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:48" (2/3) ... [2022-11-16 20:00:49,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779735e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:49, skipping insertion in model container [2022-11-16 20:00:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:00:49" (3/3) ... [2022-11-16 20:00:49,366 INFO L112 eAbstractionObserver]: Analyzing ICFG parity.i [2022-11-16 20:00:49,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:00:49,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 20:00:49,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779735e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:00:49, skipping insertion in model container [2022-11-16 20:00:49,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:00:49,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:00:49,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:00:49,391 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:00:49,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:00:49" (3/3) ... [2022-11-16 20:00:49,395 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 20:00:49,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-16 20:00:49,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-16 20:00:49,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 20:00:49,410 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:00:49,472 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:00:49,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:00:49,474 INFO L158 Benchmark]: Toolchain (without parser) took 1283.58ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 63.3MB in the end (delta: 17.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,475 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 97.4MB in the beginning and 97.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:00:49,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.40ms. Allocated memory is still 119.5MB. Free memory was 80.6MB in the beginning and 94.3MB in the end (delta: -13.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.49ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,476 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 119.5MB. Free memory was 92.3MB in the beginning and 91.4MB in the end (delta: 916.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,477 INFO L158 Benchmark]: RCFGBuilder took 658.04ms. Allocated memory is still 119.5MB. Free memory was 91.0MB in the beginning and 69.1MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,477 INFO L158 Benchmark]: TraceAbstraction took 33.24ms. Allocated memory is still 119.5MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,478 INFO L158 Benchmark]: Witness Printer took 82.52ms. Allocated memory is still 119.5MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:00:49,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 97.4MB in the beginning and 97.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.40ms. Allocated memory is still 119.5MB. Free memory was 80.6MB in the beginning and 94.3MB in the end (delta: -13.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.49ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 119.5MB. Free memory was 92.3MB in the beginning and 91.4MB in the end (delta: 916.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.04ms. Allocated memory is still 119.5MB. Free memory was 91.0MB in the beginning and 69.1MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 33.24ms. Allocated memory is still 119.5MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 82.52ms. Allocated memory is still 119.5MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 3.0MB). 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! [2022-11-16 20:00:49,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9217d6b-25dc-4ca9-b3e6-e612e314b6b7/bin/utaipan-Xvt2sAort0/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