./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.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_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/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_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/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_9d45e449-d415-4b5c-86c5-f654557fc2b4/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 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 --- 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 01:36:36,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:36:36,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:36:37,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:36:37,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:36:37,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:36:37,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:36:37,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:36:37,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:36:37,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:36:37,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:36:37,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:36:37,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:36:37,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:36:37,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:36:37,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:36:37,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:36:37,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:36:37,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:36:37,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:36:37,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:36:37,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:36:37,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:36:37,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:36:37,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:36:37,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:36:37,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:36:37,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:36:37,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:36:37,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:36:37,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:36:37,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:36:37,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:36:37,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:36:37,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:36:37,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:36:37,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:36:37,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:36:37,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:36:37,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:36:37,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:36:37,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 01:36:37,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:36:37,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:36:37,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:36:37,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:36:37,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:36:37,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:36:37,092 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:36:37,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:36:37,093 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:36:37,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:36:37,094 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:36:37,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:36:37,094 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:36:37,094 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:36:37,095 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:36:37,095 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:36:37,095 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:36:37,096 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:36:37,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:36:37,097 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:36:37,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:36:37,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:36:37,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:36:37,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:36:37,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:36:37,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:36:37,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:36:37,115 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 01:36:37,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:36:37,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:36:37,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:36:37,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:36:37,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:36:37,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:36:37,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:37,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:36:37,118 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:36:37,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:36:37,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:36:37,119 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:36:37,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:36:37,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:36:37,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:36:37,119 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_9d45e449-d415-4b5c-86c5-f654557fc2b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2022-11-03 01:36:37,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:36:37,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:36:37,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:36:37,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:36:37,425 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:36:37,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2022-11-03 01:36:37,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/data/9471a278b/53232347371e4264aa5f1557b16c35f8/FLAG82d502f51 [2022-11-03 01:36:38,165 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:36:38,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2022-11-03 01:36:38,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/data/9471a278b/53232347371e4264aa5f1557b16c35f8/FLAG82d502f51 [2022-11-03 01:36:38,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/data/9471a278b/53232347371e4264aa5f1557b16c35f8 [2022-11-03 01:36:38,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:36:38,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:36:38,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:38,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:36:38,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:36:38,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:38" (1/1) ... [2022-11-03 01:36:38,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695ae17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:38, skipping insertion in model container [2022-11-03 01:36:38,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:38" (1/1) ... [2022-11-03 01:36:38,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:36:38,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:36:39,156 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_9d45e449-d415-4b5c-86c5-f654557fc2b4/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2022-11-03 01:36:39,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:39,253 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:36:39,328 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_9d45e449-d415-4b5c-86c5-f654557fc2b4/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2022-11-03 01:36:39,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:39,481 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:36:39,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39 WrapperNode [2022-11-03 01:36:39,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:39,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:39,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:36:39,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:36:39,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,555 INFO L138 Inliner]: procedures = 486, calls = 44, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 209 [2022-11-03 01:36:39,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:39,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:36:39,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:36:39,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:36:39,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:36:39,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:36:39,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:36:39,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:36:39,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (1/1) ... [2022-11-03 01:36:39,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:39,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:36:39,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:36:39,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:36:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2022-11-03 01:36:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2022-11-03 01:36:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:36:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:36:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2022-11-03 01:36:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2022-11-03 01:36:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:36:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:36:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:36:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:36:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:36:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:36:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:36:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:36:39,706 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 01:36:40,058 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:36:40,060 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:36:40,469 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:36:40,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:36:40,479 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:36:40,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:40 BoogieIcfgContainer [2022-11-03 01:36:40,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:36:40,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:36:40,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:36:40,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:36:40,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:36:38" (1/3) ... [2022-11-03 01:36:40,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662165fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:40, skipping insertion in model container [2022-11-03 01:36:40,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:39" (2/3) ... [2022-11-03 01:36:40,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662165fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:40, skipping insertion in model container [2022-11-03 01:36:40,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:40" (3/3) ... [2022-11-03 01:36:40,497 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2022-11-03 01:36:40,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:36:40,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:36:40,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-03 01:36:40,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662165fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:36:40, skipping insertion in model container [2022-11-03 01:36:40,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:36:40,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:36:40,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:36:40,521 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:36:40,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:40" (3/3) ... [2022-11-03 01:36:40,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:36:40,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2022-11-03 01:36:40,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2022-11-03 01:36:40,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-03 01:36:40,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 01:36:40,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:36:40,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:36:40,593 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:36:40,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:36:40,602 INFO L158 Benchmark]: Toolchain (without parser) took 2241.49ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 75.3MB in the beginning and 86.9MB in the end (delta: -11.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,603 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:40,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.41ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 75.1MB in the beginning and 85.5MB in the end (delta: -10.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.41ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 82.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,606 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 127.9MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,607 INFO L158 Benchmark]: RCFGBuilder took 867.17ms. Allocated memory is still 127.9MB. Free memory was 78.8MB in the beginning and 92.4MB in the end (delta: -13.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,611 INFO L158 Benchmark]: TraceAbstraction took 36.45ms. Allocated memory is still 127.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,613 INFO L158 Benchmark]: Witness Printer took 79.75ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 86.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:40,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.41ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 75.1MB in the beginning and 85.5MB in the end (delta: -10.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.41ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 82.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 127.9MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 867.17ms. Allocated memory is still 127.9MB. Free memory was 78.8MB in the beginning and 92.4MB in the end (delta: -13.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * TraceAbstraction took 36.45ms. Allocated memory is still 127.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 79.75ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 86.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-03 01:36:40,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d45e449-d415-4b5c-86c5-f654557fc2b4/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