./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cbe8dd40fecf4391efe5e4ba3939c64a9fdbbfb53083def47a68bbefda43a3c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:23:02,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:23:02,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:23:02,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:23:02,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:23:02,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:23:02,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:23:02,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:23:02,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:23:02,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:23:02,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:23:02,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:23:02,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:23:02,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:23:02,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:23:02,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:23:02,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:23:02,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:23:02,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:23:02,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:23:02,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:23:02,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:23:02,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:23:02,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:23:02,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:23:02,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:23:02,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:23:02,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:23:02,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:23:02,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:23:02,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:23:02,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:23:02,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:23:02,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:23:02,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:23:02,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:23:02,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:23:02,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:23:02,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:23:02,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:23:02,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:23:02,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:23:02,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:23:02,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:23:02,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:23:02,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:23:02,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:23:02,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:23:02,150 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:23:02,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:23:02,151 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:23:02,151 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:23:02,151 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:23:02,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:23:02,152 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:23:02,152 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:23:02,153 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:23:02,153 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:23:02,153 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:23:02,154 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:23:02,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:23:02,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:23:02,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:23:02,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:23:02,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:23:02,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:23:02,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:23:02,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:23:02,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:23:02,158 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:23:02,159 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:23:02,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:23:02,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:23:02,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:23:02,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:23:02,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:23:02,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:02,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:23:02,161 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:23:02,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:23:02,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:23:02,163 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:23:02,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:23:02,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:23:02,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:23:02,164 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_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbe8dd40fecf4391efe5e4ba3939c64a9fdbbfb53083def47a68bbefda43a3c [2022-11-19 07:23:02,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:23:02,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:23:02,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:23:02,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:23:02,672 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:23:02,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2022-11-19 07:23:02,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/data/3d5fb49f2/1bccf4fa536045c8b6e3f7c59739f892/FLAG2fdf2ed24 [2022-11-19 07:23:03,463 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:23:03,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2022-11-19 07:23:03,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/data/3d5fb49f2/1bccf4fa536045c8b6e3f7c59739f892/FLAG2fdf2ed24 [2022-11-19 07:23:03,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/data/3d5fb49f2/1bccf4fa536045c8b6e3f7c59739f892 [2022-11-19 07:23:03,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:23:03,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:23:03,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:03,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:23:03,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:23:03,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:03" (1/1) ... [2022-11-19 07:23:03,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4843aab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:03, skipping insertion in model container [2022-11-19 07:23:03,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:03" (1/1) ... [2022-11-19 07:23:03,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:23:03,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:23:04,090 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[5938,5951] [2022-11-19 07:23:04,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:04,103 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:23:04,149 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[5938,5951] [2022-11-19 07:23:04,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:04,170 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:23:04,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04 WrapperNode [2022-11-19 07:23:04,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:04,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:04,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:23:04,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:23:04,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,246 INFO L138 Inliner]: procedures = 25, calls = 120, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 248 [2022-11-19 07:23:04,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:04,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:23:04,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:23:04,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:23:04,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:23:04,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:23:04,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:23:04,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:23:04,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (1/1) ... [2022-11-19 07:23:04,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:04,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:23:04,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:23:04,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:23:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:23:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:23:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:23:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:23:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 07:23:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 07:23:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 07:23:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 07:23:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 07:23:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 07:23:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-19 07:23:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-19 07:23:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:23:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-19 07:23:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-19 07:23:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-19 07:23:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-19 07:23:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:23:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:23:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:23:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:23:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:23:04,406 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:23:04,636 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:23:04,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:23:05,253 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:23:05,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:23:05,372 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:23:05,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:05 BoogieIcfgContainer [2022-11-19 07:23:05,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:23:05,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:23:05,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:23:05,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:23:05,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:23:03" (1/3) ... [2022-11-19 07:23:05,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c145389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:23:05, skipping insertion in model container [2022-11-19 07:23:05,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:04" (2/3) ... [2022-11-19 07:23:05,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c145389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:23:05, skipping insertion in model container [2022-11-19 07:23:05,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:05" (3/3) ... [2022-11-19 07:23:05,395 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2022-11-19 07:23:05,412 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:23:05,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:23:05,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 07:23:05,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c145389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:23:05, skipping insertion in model container [2022-11-19 07:23:05,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:23:05,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:23:05,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:23:05,435 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:23:05,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:05" (3/3) ... [2022-11-19 07:23:05,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:23:05,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 07:23:05,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 07:23:05,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-19 07:23:05,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-19 07:23:05,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2022-11-19 07:23:05,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2022-11-19 07:23:05,467 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-19 07:23:05,467 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:23:05,468 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:23:05,468 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:23:05,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:23:05,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:23:05,536 INFO L158 Benchmark]: Toolchain (without parser) took 1794.95ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 59.0MB in the end (delta: 29.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,537 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 125.8MB. Free memory was 98.0MB in the beginning and 97.9MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:23:05,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.11ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 96.8MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.41ms. Allocated memory is still 125.8MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,539 INFO L158 Benchmark]: Boogie Preprocessor took 47.25ms. Allocated memory is still 125.8MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,540 INFO L158 Benchmark]: RCFGBuilder took 1081.35ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 64.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,541 INFO L158 Benchmark]: TraceAbstraction took 51.64ms. Allocated memory is still 125.8MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,542 INFO L158 Benchmark]: Witness Printer took 100.10ms. Allocated memory is still 125.8MB. Free memory was 61.9MB in the beginning and 59.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:23:05,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 125.8MB. Free memory was 98.0MB in the beginning and 97.9MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.11ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 96.8MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.41ms. Allocated memory is still 125.8MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.25ms. Allocated memory is still 125.8MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.35ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 64.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 51.64ms. Allocated memory is still 125.8MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 100.10ms. Allocated memory is still 125.8MB. Free memory was 61.9MB in the beginning and 59.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-19 07:23:05,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9146dbbd-0d77-4067-b689-59cd9edc1f07/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE