./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI --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 a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:47:41,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:47:41,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:47:41,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:47:41,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:47:41,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:47:41,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:47:41,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:47:41,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:47:41,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:47:41,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:47:41,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:47:41,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:47:41,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:47:41,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:47:41,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:47:41,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:47:41,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:47:41,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:47:41,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:47:41,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:47:41,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:47:41,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:47:41,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:47:41,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:47:41,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:47:41,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:47:41,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:47:41,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:47:41,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:47:41,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:47:41,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:47:41,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:47:41,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:47:41,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:47:41,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:47:41,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:47:41,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:47:41,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:47:41,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:47:41,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:47:41,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:47:41,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:47:41,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:47:41,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:47:41,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:47:41,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:47:41,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:47:41,523 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:47:41,523 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:47:41,523 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:47:41,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:47:41,524 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:47:41,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:47:41,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:47:41,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:47:41,525 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:47:41,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:47:41,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:47:41,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:47:41,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:47:41,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:47:41,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:47:41,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:47:41,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:47:41,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:47:41,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:47:41,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:47:41,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:47:41,529 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:47:41,529 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:47:41,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:47:41,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:47:41,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:47:41,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:47:41,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:47:41,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:41,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:47:41,531 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:47:41,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:47:41,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:47:41,532 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:47:41,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:47:41,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:47:41,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:47:41,532 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2022-11-03 02:47:41,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:47:41,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:47:41,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:47:41,909 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:47:41,910 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:47:41,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-11-03 02:47:41,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/7888554d4/441d03a1f7274b488cadc553484d8f0d/FLAGddd325d16 [2022-11-03 02:47:42,467 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:47:42,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-11-03 02:47:42,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/7888554d4/441d03a1f7274b488cadc553484d8f0d/FLAGddd325d16 [2022-11-03 02:47:42,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/7888554d4/441d03a1f7274b488cadc553484d8f0d [2022-11-03 02:47:42,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:47:42,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:47:42,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:42,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:47:42,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:47:42,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:42" (1/1) ... [2022-11-03 02:47:42,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2f121e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:42, skipping insertion in model container [2022-11-03 02:47:42,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:42" (1/1) ... [2022-11-03 02:47:42,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:47:42,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:47:43,144 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-11-03 02:47:43,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:47:43,157 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:47:43,198 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-11-03 02:47:43,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:47:43,217 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:47:43,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43 WrapperNode [2022-11-03 02:47:43,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:43,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:47:43,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:47:43,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:47:43,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,313 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 266 [2022-11-03 02:47:43,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:47:43,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:47:43,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:47:43,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:47:43,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:47:43,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:47:43,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:47:43,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:47:43,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (1/1) ... [2022-11-03 02:47:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:43,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:43,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:47:43,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:47:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:47:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:47:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:47:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:47:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 02:47:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 02:47:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 02:47:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 02:47:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 02:47:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 02:47:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-03 02:47:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-03 02:47:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:47:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-03 02:47:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-03 02:47:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:47:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:47:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:47:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:47:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:47:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:47:43,484 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:47:43,677 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:47:43,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:47:44,615 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:47:45,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:47:45,086 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:47:45,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:47:45 BoogieIcfgContainer [2022-11-03 02:47:45,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:47:45,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:47:45,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:47:45,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:47:45,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:47:42" (1/3) ... [2022-11-03 02:47:45,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8043f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:47:45, skipping insertion in model container [2022-11-03 02:47:45,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:43" (2/3) ... [2022-11-03 02:47:45,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8043f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:47:45, skipping insertion in model container [2022-11-03 02:47:45,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:47:45" (3/3) ... [2022-11-03 02:47:45,103 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-11-03 02:47:45,114 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:47:45,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:47:45,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2022-11-03 02:47:45,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:47:45,274 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-11-03 02:47:45,329 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:47:45,344 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 301 transitions, 642 flow [2022-11-03 02:47:45,349 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 301 transitions, 642 flow [2022-11-03 02:47:45,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 303 places, 301 transitions, 642 flow [2022-11-03 02:47:45,506 INFO L130 PetriNetUnfolder]: 14/296 cut-off events. [2022-11-03 02:47:45,507 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-03 02:47:45,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 296 events. 14/296 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 425 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 221. Up to 2 conditions per place. [2022-11-03 02:47:45,521 INFO L118 LiptonReduction]: Number of co-enabled transitions 14642 [2022-11-03 02:50:29,044 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-03 02:50:29,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-03 02:50:29,045 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1149) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:190) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$0(LiptonReduction.java:452) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isLeftMover(LiptonReduction.java:452) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:408) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:311) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:128) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:95) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:148) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructInitialAbstraction(CegarLoopFactory.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createAutomataAbstraction(CegarLoopFactory.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createFiniteAutomataCegarLoop(CegarLoopFactory.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 63 more [2022-11-03 02:50:29,050 INFO L158 Benchmark]: Toolchain (without parser) took 166208.06ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 55.3MB in the beginning and 85.1MB in the end (delta: -29.8MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2022-11-03 02:50:29,052 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:50:29,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.69ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 66.3MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:50:29,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.91ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:50:29,054 INFO L158 Benchmark]: Boogie Preprocessor took 49.39ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 59.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:50:29,055 INFO L158 Benchmark]: RCFGBuilder took 1714.22ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.3MB in the beginning and 50.4MB in the end (delta: 9.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-03 02:50:29,056 INFO L158 Benchmark]: TraceAbstraction took 163955.72ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 85.1MB in the end (delta: -35.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-11-03 02:50:29,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.69ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 66.3MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.91ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.39ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 59.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1714.22ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.3MB in the beginning and 50.4MB in the end (delta: 9.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 163955.72ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 85.1MB in the end (delta: -35.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI --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 a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:50:31,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:50:31,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:50:31,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:50:31,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:50:31,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:50:31,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:50:31,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:50:31,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:50:31,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:50:31,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:50:31,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:50:31,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:50:31,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:50:31,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:50:31,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:50:31,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:50:31,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:50:31,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:50:31,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:50:31,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:50:31,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:50:31,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:50:31,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:50:31,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:50:31,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:50:31,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:50:31,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:50:31,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:50:31,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:50:31,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:50:31,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:50:31,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:50:31,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:50:31,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:50:31,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:50:31,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:50:31,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:50:31,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:50:31,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:50:31,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:50:31,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-03 02:50:31,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:50:31,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:50:31,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:50:31,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:50:31,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:50:31,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:50:31,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:50:31,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:50:31,336 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:50:31,336 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:50:31,336 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:50:31,337 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:50:31,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:50:31,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:50:31,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:50:31,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:50:31,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:50:31,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:50:31,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:50:31,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:50:31,341 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:50:31,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:50:31,341 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:50:31,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:50:31,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:50:31,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:50:31,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:50:31,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:50:31,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:50:31,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:50:31,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:50:31,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:50:31,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:50:31,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:50:31,344 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:50:31,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:31,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:50:31,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:50:31,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:50:31,345 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2022-11-03 02:50:31,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:50:31,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:50:31,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:50:31,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:50:31,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:50:31,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-11-03 02:50:31,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/94a34e9e7/d82316ad1ce84ddd81577f79717c2762/FLAGbc6806aa6 [2022-11-03 02:50:32,456 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:50:32,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-11-03 02:50:32,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/94a34e9e7/d82316ad1ce84ddd81577f79717c2762/FLAGbc6806aa6 [2022-11-03 02:50:32,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/data/94a34e9e7/d82316ad1ce84ddd81577f79717c2762 [2022-11-03 02:50:32,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:50:32,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:50:32,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:50:32,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:50:32,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:50:32,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:50:32" (1/1) ... [2022-11-03 02:50:32,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ded7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:32, skipping insertion in model container [2022-11-03 02:50:32,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:50:32" (1/1) ... [2022-11-03 02:50:32,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:50:32,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:50:33,184 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-11-03 02:50:33,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:50:33,214 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:50:33,296 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_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-11-03 02:50:33,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:50:33,315 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:50:33,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33 WrapperNode [2022-11-03 02:50:33,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:50:33,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:50:33,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:50:33,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:50:33,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,409 INFO L138 Inliner]: procedures = 29, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 264 [2022-11-03 02:50:33,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:50:33,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:50:33,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:50:33,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:50:33,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:50:33,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:50:33,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:50:33,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:50:33,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (1/1) ... [2022-11-03 02:50:33,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:50:33,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:33,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:50:33,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f31c8a-eff7-44a7-9505-2ea5f28996f7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:50:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:50:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:50:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:50:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:50:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 02:50:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 02:50:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 02:50:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 02:50:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 02:50:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 02:50:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-03 02:50:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-03 02:50:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-03 02:50:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-03 02:50:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:50:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:50:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:50:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:50:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:50:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:50:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:50:33,609 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:50:33,823 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:50:33,825 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:50:34,914 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:50:35,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:50:35,457 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:50:35,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:35 BoogieIcfgContainer [2022-11-03 02:50:35,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:50:35,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:50:35,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:50:35,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:50:35,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:50:32" (1/3) ... [2022-11-03 02:50:35,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dd7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:50:35, skipping insertion in model container [2022-11-03 02:50:35,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:33" (2/3) ... [2022-11-03 02:50:35,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dd7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:50:35, skipping insertion in model container [2022-11-03 02:50:35,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:35" (3/3) ... [2022-11-03 02:50:35,473 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-11-03 02:50:35,483 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:50:35,493 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:50:35,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2022-11-03 02:50:35,494 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:50:35,681 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-11-03 02:50:35,736 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:50:35,756 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 299 transitions, 638 flow [2022-11-03 02:50:35,761 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 299 transitions, 638 flow [2022-11-03 02:50:35,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 299 transitions, 638 flow [2022-11-03 02:50:35,952 INFO L130 PetriNetUnfolder]: 14/294 cut-off events. [2022-11-03 02:50:35,953 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-03 02:50:35,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 294 events. 14/294 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 434 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2022-11-03 02:50:35,976 INFO L118 LiptonReduction]: Number of co-enabled transitions 14642 [2022-11-03 02:52:50,402 WARN L234 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 139 DAG size of output: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:53:05,417 WARN L234 SmtUtils]: Spent 12.21s on a formula simplification. DAG size of input: 148 DAG size of output: 147 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:53:11,496 WARN L234 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:53:11,501 INFO L133 LiptonReduction]: Checked pairs total: 53236 [2022-11-03 02:53:11,501 INFO L135 LiptonReduction]: Total number of compositions: 294 [2022-11-03 02:53:11,509 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 124 transitions, 288 flow