./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba --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 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 --- 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-b5237d8 [2022-11-22 00:28:47,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:28:47,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:28:47,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:28:47,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:28:47,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:28:47,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:28:47,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:28:47,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:28:47,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:28:47,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:28:47,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:28:47,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:28:47,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:28:47,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:28:47,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:28:47,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:28:47,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:28:47,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:28:47,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:28:47,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:28:47,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:28:47,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:28:47,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:28:47,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:28:47,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:28:47,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:28:47,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:28:47,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:28:47,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:28:47,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:28:47,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:28:47,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:28:47,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:28:47,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:28:47,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:28:47,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:28:47,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:28:47,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:28:47,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:28:47,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:28:47,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 00:28:47,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:28:47,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:28:47,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:28:47,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:28:47,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:28:47,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:28:47,140 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:28:47,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:28:47,141 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:28:47,141 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:28:47,141 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:28:47,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:28:47,142 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:28:47,142 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:28:47,143 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:28:47,143 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:28:47,143 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:28:47,144 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:28:47,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:28:47,145 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:28:47,145 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:28:47,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:28:47,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:28:47,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:28:47,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:28:47,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:28:47,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:28:47,147 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:28:47,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:28:47,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:28:47,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:28:47,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:28:47,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:28:47,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:28:47,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:28:47,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:28:47,150 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:28:47,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:28:47,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:28:47,151 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:28:47,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:28:47,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:28:47,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:28:47,152 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_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 [2022-11-22 00:28:47,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:28:47,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:28:47,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:28:47,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:28:47,500 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:28:47,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2022-11-22 00:28:50,514 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:28:50,700 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:28:50,700 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2022-11-22 00:28:50,707 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/data/48482fa87/f43ac736d1ef4293954d283682d7b615/FLAGfc90b75a7 [2022-11-22 00:28:50,728 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/data/48482fa87/f43ac736d1ef4293954d283682d7b615 [2022-11-22 00:28:50,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:28:50,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:28:50,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:28:50,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:28:50,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:28:50,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fcfd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50, skipping insertion in model container [2022-11-22 00:28:50,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:28:50,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:28:50,902 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_93758c25-5778-4215-b067-e672f23e8442/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2022-11-22 00:28:50,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:28:50,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:28:50,927 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_93758c25-5778-4215-b067-e672f23e8442/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2022-11-22 00:28:50,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:28:50,939 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:28:50,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50 WrapperNode [2022-11-22 00:28:50,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:28:50,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:28:50,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:28:50,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:28:50,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,968 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-22 00:28:50,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:28:50,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:28:50,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:28:50,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:28:50,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:50,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:28:50,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:28:50,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:28:50,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:28:50,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (1/1) ... [2022-11-22 00:28:51,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:28:51,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:28:51,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:28:51,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:28:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:28:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:28:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:28:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:28:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-22 00:28:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-22 00:28:51,173 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:28:51,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:28:51,335 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:28:51,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:28:51,389 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:28:51,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:28:51 BoogieIcfgContainer [2022-11-22 00:28:51,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:28:51,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:28:51,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:28:51,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:28:51,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:28:50" (1/3) ... [2022-11-22 00:28:51,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9782fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:28:51, skipping insertion in model container [2022-11-22 00:28:51,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:28:50" (2/3) ... [2022-11-22 00:28:51,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9782fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:28:51, skipping insertion in model container [2022-11-22 00:28:51,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:28:51" (3/3) ... [2022-11-22 00:28:51,416 INFO L112 eAbstractionObserver]: Analyzing ICFG id_b2_o3.c [2022-11-22 00:28:51,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:28:51,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-22 00:28:51,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9782fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:28:51, skipping insertion in model container [2022-11-22 00:28:51,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:28:51,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:28:51,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:28:51,442 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:28:51,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:28:51" (3/3) ... [2022-11-22 00:28:51,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:28:51,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-22 00:28:51,464 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-22 00:28:51,465 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-22 00:28:51,465 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 00:28:51,465 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:28:51,532 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:28:51,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:28:51,533 INFO L158 Benchmark]: Toolchain (without parser) took 796.89ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 89.3MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 00:28:51,534 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:28:51,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.05ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 108.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 00:28:51,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.85ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:28:51,535 INFO L158 Benchmark]: Boogie Preprocessor took 14.62ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 105.4MB in the end (delta: 680.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:28:51,535 INFO L158 Benchmark]: RCFGBuilder took 406.92ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 94.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:28:51,536 INFO L158 Benchmark]: TraceAbstraction took 45.13ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 92.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:28:51,536 INFO L158 Benchmark]: Witness Printer took 90.43ms. Allocated memory is still 163.6MB. Free memory was 92.0MB in the beginning and 89.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:28:51,541 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 163.6MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.05ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 108.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.85ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.62ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 105.4MB in the end (delta: 680.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.92ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 94.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 45.13ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 92.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 90.43ms. Allocated memory is still 163.6MB. Free memory was 92.0MB in the beginning and 89.3MB in the end (delta: 2.7MB). 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! [2022-11-22 00:28:51,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93758c25-5778-4215-b067-e672f23e8442/bin/utaipan-g80aRyZoba/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