./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI --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 3ace826ce717f8420bd44e3ebb10a0f5689c8f1d5dcaf8399a3f9b8d8dda146f --- 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-5e519f3 [2022-11-03 03:29:27,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:27,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:27,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:27,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:27,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:27,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:27,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:27,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:27,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:27,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:27,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:27,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:27,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:27,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:27,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:27,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:27,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:27,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:27,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:27,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:27,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:27,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:27,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:27,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:27,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:27,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:27,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:27,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:27,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:27,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:27,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:27,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:27,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:27,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:27,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:27,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:27,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:27,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:27,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:27,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:27,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 03:29:27,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:27,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:27,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:27,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:27,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:27,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:27,873 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:27,873 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:27,873 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:27,873 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:27,875 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:27,875 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:27,875 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:27,875 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:27,876 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:27,876 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:27,876 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:27,876 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:27,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:27,877 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:29:27,877 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:29:27,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:27,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:29:27,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:27,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:27,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:27,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:27,879 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 03:29:27,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:29:27,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:27,880 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:27,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:27,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:27,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:27,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:27,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:27,881 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:27,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:27,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:27,883 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:27,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:27,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:27,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:27,884 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_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ace826ce717f8420bd44e3ebb10a0f5689c8f1d5dcaf8399a3f9b8d8dda146f [2022-11-03 03:29:28,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:28,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:28,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:28,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:28,274 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:28,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i [2022-11-03 03:29:28,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/data/c5a0ec030/72091869c40c43a8a785e301457744bd/FLAGf1f17adc7 [2022-11-03 03:29:29,011 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:29,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i [2022-11-03 03:29:29,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/data/c5a0ec030/72091869c40c43a8a785e301457744bd/FLAGf1f17adc7 [2022-11-03 03:29:29,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/data/c5a0ec030/72091869c40c43a8a785e301457744bd [2022-11-03 03:29:29,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:29,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:29,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:29,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:29,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:29,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:29,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257ec935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29, skipping insertion in model container [2022-11-03 03:29:29,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:29,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:29,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:29,804 WARN L230 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_8bb7daed-6bda-404c-94a4-3cab6975ef29/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i[30438,30451] [2022-11-03 03:29:29,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:29,826 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:29,884 WARN L230 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_8bb7daed-6bda-404c-94a4-3cab6975ef29/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i[30438,30451] [2022-11-03 03:29:29,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:29,938 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:29,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29 WrapperNode [2022-11-03 03:29:29,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:29,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:29,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:29,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:29,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:29,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,011 INFO L138 Inliner]: procedures = 170, calls = 18, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 83 [2022-11-03 03:29:30,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:30,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:30,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:30,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:30,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:30,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:30,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:30,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:30,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (1/1) ... [2022-11-03 03:29:30,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:30,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:30,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:30,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-03 03:29:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-03 03:29:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-03 03:29:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-03 03:29:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:29:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:29:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:29:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:30,154 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:29:30,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:30,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:30,539 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:30,655 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:30,655 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 03:29:30,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:30 BoogieIcfgContainer [2022-11-03 03:29:30,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:30,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:30,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:30,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:30,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:29" (1/3) ... [2022-11-03 03:29:30,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d7b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:30, skipping insertion in model container [2022-11-03 03:29:30,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:29" (2/3) ... [2022-11-03 03:29:30,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d7b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:30, skipping insertion in model container [2022-11-03 03:29:30,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:30" (3/3) ... [2022-11-03 03:29:30,678 INFO L112 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2022-11-03 03:29:30,689 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:29:30,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:30,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-03 03:29:30,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d7b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:29:30, skipping insertion in model container [2022-11-03 03:29:30,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:29:30,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:29:30,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:29:30,705 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:29:30,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:30" (3/3) ... [2022-11-03 03:29:30,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:29:30,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-03 03:29:30,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-03 03:29:30,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 03:29:30,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 03:29:30,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:29:30,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:29:30,796 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:29:30,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:29:30,825 INFO L158 Benchmark]: Toolchain (without parser) took 1544.24ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 38.4MB in the end (delta: 15.9MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-03 03:29:30,831 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:29:30,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.45ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 62.9MB in the end (delta: -8.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:29:30,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.42ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:29:30,833 INFO L158 Benchmark]: Boogie Preprocessor took 51.95ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 59.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:29:30,834 INFO L158 Benchmark]: RCFGBuilder took 593.27ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 43.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 03:29:30,835 INFO L158 Benchmark]: TraceAbstraction took 43.65ms. Allocated memory is still 96.5MB. Free memory was 42.7MB in the beginning and 40.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:29:30,838 INFO L158 Benchmark]: Witness Printer took 91.52ms. Allocated memory is still 96.5MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:29:30,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.45ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 62.9MB in the end (delta: -8.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.42ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.95ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 59.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 593.27ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 43.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 43.65ms. Allocated memory is still 96.5MB. Free memory was 42.7MB in the beginning and 40.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 91.52ms. Allocated memory is still 96.5MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). There was no memory consumed. 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-03 03:29:30,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb7daed-6bda-404c-94a4-3cab6975ef29/bin/utaipan-7li7fVZpFI/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