./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/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_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/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 32bit --witnessprinter.graph.data.programhash 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 --- 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 08:31:15,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:31:15,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:31:15,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:31:15,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:31:15,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:31:15,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:31:15,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:31:15,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:31:15,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:31:15,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:31:15,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:31:15,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:31:15,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:31:15,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:31:15,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:31:15,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:31:15,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:31:15,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:31:16,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:31:16,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:31:16,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:31:16,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:31:16,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:31:16,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:31:16,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:31:16,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:31:16,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:31:16,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:31:16,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:31:16,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:31:16,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:31:16,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:31:16,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:31:16,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:31:16,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:31:16,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:31:16,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:31:16,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:31:16,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:31:16,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:31:16,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:31:16,099 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:31:16,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:31:16,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:31:16,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:31:16,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:31:16,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:31:16,105 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:31:16,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:31:16,105 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:31:16,106 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:31:16,107 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:31:16,107 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:31:16,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:31:16,108 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:31:16,108 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:31:16,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:31:16,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:31:16,109 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:31:16,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:31:16,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:31:16,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:31:16,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:31:16,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:31:16,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:31:16,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:31:16,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:31:16,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:31:16,112 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:31:16,113 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:31:16,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:31:16,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:31:16,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:31:16,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:31:16,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:31:16,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:31:16,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:31:16,115 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:31:16,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:31:16,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:31:16,116 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:31:16,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:31:16,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:31:16,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:31:16,117 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_0209af34-4ebc-46d1-8521-a93eca32b529/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 [2022-11-19 08:31:16,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:31:16,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:31:16,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:31:16,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:31:16,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:31:16,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2022-11-19 08:31:16,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/data/6cc713ada/ee18c30ec5dd42d7828ef27db07d092e/FLAGa725bd1be [2022-11-19 08:31:17,184 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:31:17,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2022-11-19 08:31:17,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/data/6cc713ada/ee18c30ec5dd42d7828ef27db07d092e/FLAGa725bd1be [2022-11-19 08:31:17,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/data/6cc713ada/ee18c30ec5dd42d7828ef27db07d092e [2022-11-19 08:31:17,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:31:17,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:31:17,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:31:17,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:31:17,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:31:17,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6747d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17, skipping insertion in model container [2022-11-19 08:31:17,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:31:17,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:31:17,778 WARN L234 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_0209af34-4ebc-46d1-8521-a93eca32b529/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2022-11-19 08:31:17,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:31:17,795 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:31:17,815 WARN L234 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_0209af34-4ebc-46d1-8521-a93eca32b529/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2022-11-19 08:31:17,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:31:17,831 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:31:17,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17 WrapperNode [2022-11-19 08:31:17,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:31:17,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:31:17,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:31:17,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:31:17,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,877 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-19 08:31:17,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:31:17,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:31:17,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:31:17,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:31:17,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:31:17,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:31:17,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:31:17,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:31:17,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (1/1) ... [2022-11-19 08:31:17,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:31:17,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:31:17,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:31:17,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:31:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:31:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:31:18,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:31:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-11-19 08:31:18,012 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-11-19 08:31:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:31:18,106 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:31:18,109 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:31:18,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:31:18,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:31:18,352 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:31:18,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:31:18 BoogieIcfgContainer [2022-11-19 08:31:18,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:31:18,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:31:18,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:31:18,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:31:18,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:31:17" (1/3) ... [2022-11-19 08:31:18,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcef394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:31:18, skipping insertion in model container [2022-11-19 08:31:18,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:17" (2/3) ... [2022-11-19 08:31:18,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcef394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:31:18, skipping insertion in model container [2022-11-19 08:31:18,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:31:18" (3/3) ... [2022-11-19 08:31:18,375 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2022-11-19 08:31:18,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:31:18,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 08:31:18,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcef394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:31:18, skipping insertion in model container [2022-11-19 08:31:18,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:31:18,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:31:18,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:31:18,403 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:31:18,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:31:18" (3/3) ... [2022-11-19 08:31:18,407 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:31:18,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2022-11-19 08:31:18,426 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 08:31:18,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-19 08:31:18,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 08:31:18,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:31:18,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:31:18,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:31:18,510 INFO L158 Benchmark]: Toolchain (without parser) took 968.21ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 75.5MB in the end (delta: 5.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-19 08:31:18,511 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 87.2MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:31:18,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.07ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 93.3MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:31:18,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.74ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:31:18,513 INFO L158 Benchmark]: Boogie Preprocessor took 31.52ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 91.2MB in the end (delta: 538.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:31:18,514 INFO L158 Benchmark]: RCFGBuilder took 444.06ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 80.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:31:18,517 INFO L158 Benchmark]: TraceAbstraction took 42.94ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:31:18,518 INFO L158 Benchmark]: Witness Printer took 105.96ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:31:18,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 87.2MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.07ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 93.3MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.74ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.52ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 91.2MB in the end (delta: 538.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.06ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 80.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 42.94ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 105.96ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. 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 08:31:18,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0209af34-4ebc-46d1-8521-a93eca32b529/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