./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/01b_inc.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_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/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_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/01b_inc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/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_630da81a-5e06-4d31-b58d-2c8e5b7d3530/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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --- 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 02:21:26,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:21:26,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:21:26,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:21:26,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:21:26,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:21:26,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:21:26,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:21:26,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:21:26,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:21:26,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:21:26,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:21:26,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:21:26,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:21:26,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:21:26,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:21:26,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:21:26,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:21:26,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:21:26,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:21:26,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:21:26,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:21:26,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:21:26,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:21:26,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:21:26,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:21:26,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:21:26,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:21:26,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:21:26,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:21:26,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:21:26,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:21:26,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:21:26,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:21:26,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:21:26,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:21:26,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:21:26,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:21:26,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:21:26,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:21:26,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:21:26,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 02:21:26,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:21:26,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:21:26,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:21:26,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:21:26,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:21:26,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:21:26,903 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:21:26,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:21:26,914 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:21:26,914 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:21:26,916 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:21:26,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:21:26,916 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:21:26,916 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:21:26,917 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:21:26,917 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:21:26,917 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:21:26,917 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:21:26,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:21:26,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:21:26,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:21:26,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:21:26,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:21:26,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:21:26,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:21:26,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:21:26,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:21:26,921 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:21:26,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:21:26,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:21:26,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:21:26,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:21:26,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:21:26,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:21:26,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:21:26,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:21:26,923 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:21:26,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:21:26,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:21:26,924 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:21:26,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:21:26,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:21:26,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:21:26,925 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_630da81a-5e06-4d31-b58d-2c8e5b7d3530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 [2022-11-03 02:21:27,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:21:27,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:21:27,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:21:27,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:21:27,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:21:27,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-ext/01b_inc.i [2022-11-03 02:21:27,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/data/efc3bf617/9d3e97fb9d8c4ae2a6cfec29313135d2/FLAG675734fa0 [2022-11-03 02:21:27,989 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:21:27,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/sv-benchmarks/c/pthread-ext/01b_inc.i [2022-11-03 02:21:28,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/data/efc3bf617/9d3e97fb9d8c4ae2a6cfec29313135d2/FLAG675734fa0 [2022-11-03 02:21:28,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/data/efc3bf617/9d3e97fb9d8c4ae2a6cfec29313135d2 [2022-11-03 02:21:28,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:21:28,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:21:28,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:21:28,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:21:28,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:21:28,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dec8106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28, skipping insertion in model container [2022-11-03 02:21:28,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:21:28,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:21:28,591 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-03 02:21:28,788 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_630da81a-5e06-4d31-b58d-2c8e5b7d3530/sv-benchmarks/c/pthread-ext/01b_inc.i[31005,31018] [2022-11-03 02:21:28,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:21:28,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:21:28,830 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-03 02:21:28,864 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_630da81a-5e06-4d31-b58d-2c8e5b7d3530/sv-benchmarks/c/pthread-ext/01b_inc.i[31005,31018] [2022-11-03 02:21:28,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:21:28,907 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:21:28,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28 WrapperNode [2022-11-03 02:21:28,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:21:28,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:21:28,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:21:28,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:21:28,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,979 INFO L138 Inliner]: procedures = 173, calls = 20, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 62 [2022-11-03 02:21:28,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:21:28,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:21:28,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:21:28,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:21:28,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:28,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:29,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:29,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:29,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:29,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:29,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:21:29,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:21:29,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:21:29,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:21:29,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (1/1) ... [2022-11-03 02:21:29,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:21:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:21:29,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:21:29,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:21:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-03 02:21:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-03 02:21:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:21:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:21:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:21:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:21:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:21:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:21:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:21:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:21:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:21:29,117 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 02:21:29,294 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:21:29,296 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:21:29,444 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:21:29,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:21:29,537 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:21:29,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:29 BoogieIcfgContainer [2022-11-03 02:21:29,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:21:29,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:21:29,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:21:29,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:21:29,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:21:28" (1/3) ... [2022-11-03 02:21:29,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208439b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:21:29, skipping insertion in model container [2022-11-03 02:21:29,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:28" (2/3) ... [2022-11-03 02:21:29,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208439b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:21:29, skipping insertion in model container [2022-11-03 02:21:29,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:29" (3/3) ... [2022-11-03 02:21:29,556 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc.i [2022-11-03 02:21:29,566 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:21:29,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:21:29,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-03 02:21:29,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208439b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:21:29, skipping insertion in model container [2022-11-03 02:21:29,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:21:29,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:21:29,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:21:29,582 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:21:29,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:29" (3/3) ... [2022-11-03 02:21:29,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:21:29,595 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-03 02:21:29,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-03 02:21:29,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 02:21:29,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 02:21:29,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:21:29,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:21:29,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:21:29,655 INFO L158 Benchmark]: Toolchain (without parser) took 1410.92ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 32.7MB in the end (delta: 35.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-11-03 02:21:29,660 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:21:29,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.57ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 55.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:21:29,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.11ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:21:29,665 INFO L158 Benchmark]: Boogie Preprocessor took 46.33ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 52.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:21:29,667 INFO L158 Benchmark]: RCFGBuilder took 513.03ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 37.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:21:29,668 INFO L158 Benchmark]: TraceAbstraction took 38.38ms. Allocated memory is still 92.3MB. Free memory was 36.9MB in the beginning and 34.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:21:29,672 INFO L158 Benchmark]: Witness Printer took 71.13ms. Allocated memory is still 92.3MB. Free memory was 34.9MB in the beginning and 32.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:21:29,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.57ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 55.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.11ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.33ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 52.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.03ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 37.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 38.38ms. Allocated memory is still 92.3MB. Free memory was 36.9MB in the beginning and 34.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.13ms. Allocated memory is still 92.3MB. Free memory was 34.9MB in the beginning and 32.7MB in the end (delta: 2.2MB). 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-03 02:21:29,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630da81a-5e06-4d31-b58d-2c8e5b7d3530/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