./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/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_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f --- 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 06:34:51,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:34:51,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:34:51,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:34:51,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:34:51,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:34:51,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:34:51,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:34:51,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:34:51,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:34:51,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:34:51,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:34:51,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:34:51,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:34:51,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:34:51,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:34:51,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:34:51,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:34:51,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:34:51,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:34:51,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:34:51,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:34:51,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:34:51,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:34:51,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:34:51,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:34:51,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:34:51,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:34:51,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:34:51,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:34:51,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:34:51,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:34:51,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:34:51,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:34:51,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:34:51,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:34:51,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:34:51,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:34:51,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:34:51,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:34:51,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:34:51,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:34:51,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:34:51,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:34:51,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:34:51,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:34:51,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:34:51,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:34:51,313 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:34:51,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:34:51,313 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:34:51,313 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:34:51,315 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:34:51,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:34:51,315 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:34:51,315 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:34:51,316 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:34:51,316 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:34:51,316 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:34:51,316 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:34:51,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:34:51,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:34:51,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:34:51,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:34:51,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:34:51,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:34:51,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:34:51,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:34:51,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:34:51,320 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:34:51,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:34:51,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:34:51,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:34:51,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:34:51,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:34:51,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:34:51,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:34:51,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:34:51,323 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:34:51,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:34:51,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:34:51,323 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:34:51,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:34:51,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:34:51,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:34:51,324 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_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f [2022-11-19 06:34:51,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:34:51,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:34:51,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:34:51,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:34:51,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:34:51,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2022-11-19 06:34:51,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/data/3b932851c/5af2afc1f29f47dc826e018bc24cdcd2/FLAG8d4aa14e4 [2022-11-19 06:34:52,412 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:34:52,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2022-11-19 06:34:52,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/data/3b932851c/5af2afc1f29f47dc826e018bc24cdcd2/FLAG8d4aa14e4 [2022-11-19 06:34:52,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/data/3b932851c/5af2afc1f29f47dc826e018bc24cdcd2 [2022-11-19 06:34:52,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:34:52,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:34:52,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:34:52,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:34:52,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:34:52,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:34:52" (1/1) ... [2022-11-19 06:34:52,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:52, skipping insertion in model container [2022-11-19 06:34:52,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:34:52" (1/1) ... [2022-11-19 06:34:52,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:34:52,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:34:53,096 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_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-11-19 06:34:53,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:34:53,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:34:53,178 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_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-11-19 06:34:53,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:34:53,198 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:34:53,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53 WrapperNode [2022-11-19 06:34:53,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:34:53,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:34:53,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:34:53,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:34:53,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,281 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 740 [2022-11-19 06:34:53,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:34:53,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:34:53,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:34:53,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:34:53,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:34:53,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:34:53,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:34:53,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:34:53,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (1/1) ... [2022-11-19 06:34:53,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:34:53,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:34:53,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:34:53,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdc9d38-c8d2-4c97-b828-634ffcdd5388/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:34:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:34:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:34:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:34:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:34:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 06:34:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 06:34:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 06:34:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 06:34:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 06:34:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 06:34:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-19 06:34:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-19 06:34:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:34:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-19 06:34:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-19 06:34:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-19 06:34:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-19 06:34:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-11-19 06:34:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-11-19 06:34:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-11-19 06:34:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-11-19 06:34:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:34:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:34:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:34:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:34:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:34:53,490 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 06:34:53,747 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:34:53,763 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:34:55,060 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:34:55,559 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:34:55,560 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:34:55,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:34:55 BoogieIcfgContainer [2022-11-19 06:34:55,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:34:55,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:34:55,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:34:55,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:34:55,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:34:52" (1/3) ... [2022-11-19 06:34:55,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad6c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:34:55, skipping insertion in model container [2022-11-19 06:34:55,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:53" (2/3) ... [2022-11-19 06:34:55,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad6c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:34:55, skipping insertion in model container [2022-11-19 06:34:55,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:34:55" (3/3) ... [2022-11-19 06:34:55,576 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-11-19 06:34:55,590 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:34:55,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:34:55,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2022-11-19 06:34:55,602 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:34:55,818 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-19 06:34:55,885 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:34:55,906 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 484 places, 464 transitions, 992 flow [2022-11-19 06:34:55,912 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 484 places, 464 transitions, 992 flow [2022-11-19 06:34:55,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 484 places, 464 transitions, 992 flow [2022-11-19 06:34:56,207 INFO L130 PetriNetUnfolder]: 5/456 cut-off events. [2022-11-19 06:34:56,207 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-19 06:34:56,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 456 events. 5/456 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 520 event pairs, 0 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 346. Up to 2 conditions per place. [2022-11-19 06:34:56,236 INFO L119 LiptonReduction]: Number of co-enabled transitions 32912 [2022-11-19 06:35:21,968 INFO L134 LiptonReduction]: Checked pairs total: 143825 [2022-11-19 06:35:21,969 INFO L136 LiptonReduction]: Total number of compositions: 517 [2022-11-19 06:35:21,977 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 213 places, 188 transitions, 440 flow