./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp3x3-opt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp3x3-opt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW --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 4c1c24b29e2a448aa58292c6eb9ff7da7a6479c4a0ee37fcfe55a998096eea30 --- 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-4e7fbc6 [2022-11-23 14:06:16,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:06:16,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:06:16,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:06:16,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:06:16,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:06:16,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:06:16,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:06:16,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:06:16,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:06:16,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:06:16,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:06:16,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:06:16,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:06:16,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:06:16,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:06:16,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:06:16,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:06:16,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:06:16,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:06:16,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:06:16,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:06:16,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:06:16,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:06:16,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:06:16,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:06:16,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:06:16,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:06:16,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:06:16,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:06:16,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:06:16,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:06:16,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:06:16,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:06:16,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:06:16,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:06:16,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:06:16,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:06:16,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:06:16,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:06:16,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:06:16,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 14:06:16,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:06:16,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:06:16,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:06:16,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:06:16,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:06:16,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:06:16,431 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:06:16,431 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:06:16,431 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:06:16,432 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:06:16,432 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:06:16,432 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:06:16,432 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:06:16,432 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:06:16,433 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:06:16,433 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:06:16,433 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:06:16,433 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:06:16,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:06:16,440 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:06:16,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:06:16,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:06:16,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:06:16,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:06:16,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:06:16,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:06:16,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:06:16,442 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 14:06:16,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:06:16,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:06:16,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:06:16,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:06:16,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:06:16,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:06:16,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:06:16,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:06:16,446 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:06:16,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:06:16,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:06:16,446 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:06:16,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:06:16,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:06:16,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:06:16,447 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_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c1c24b29e2a448aa58292c6eb9ff7da7a6479c4a0ee37fcfe55a998096eea30 [2022-11-23 14:06:16,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:06:16,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:06:16,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:06:16,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:06:16,753 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:06:16,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/weaver/bench-exp3x3-opt.wvr.c [2022-11-23 14:06:19,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:06:20,127 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:06:20,128 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/sv-benchmarks/c/weaver/bench-exp3x3-opt.wvr.c [2022-11-23 14:06:20,135 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/data/649fd8e2a/7a92225e2985479eb9427cb8c1e966b9/FLAGe464ca38f [2022-11-23 14:06:20,150 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/data/649fd8e2a/7a92225e2985479eb9427cb8c1e966b9 [2022-11-23 14:06:20,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:06:20,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:06:20,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:06:20,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:06:20,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:06:20,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777f3bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20, skipping insertion in model container [2022-11-23 14:06:20,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:06:20,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:06:20,376 WARN L237 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_0c1c7f1d-d959-482c-a59d-c9c7886c203c/sv-benchmarks/c/weaver/bench-exp3x3-opt.wvr.c[2826,2839] [2022-11-23 14:06:20,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:06:20,389 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:06:20,429 WARN L237 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_0c1c7f1d-d959-482c-a59d-c9c7886c203c/sv-benchmarks/c/weaver/bench-exp3x3-opt.wvr.c[2826,2839] [2022-11-23 14:06:20,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:06:20,455 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:06:20,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20 WrapperNode [2022-11-23 14:06:20,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:06:20,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:06:20,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:06:20,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:06:20,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,520 INFO L138 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 271 [2022-11-23 14:06:20,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:06:20,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:06:20,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:06:20,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:06:20,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:06:20,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:06:20,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:06:20,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:06:20,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (1/1) ... [2022-11-23 14:06:20,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:06:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:06:20,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:06:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1c7f1d-d959-482c-a59d-c9c7886c203c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:06:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:06:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:06:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:06:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:06:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 14:06:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 14:06:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 14:06:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 14:06:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-23 14:06:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-23 14:06:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-23 14:06:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-23 14:06:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:06:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-23 14:06:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-23 14:06:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-23 14:06:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-23 14:06:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:06:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:06:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:06:20,665 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:06:20,783 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:06:20,785 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:06:21,573 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:06:21,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:06:21,599 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-23 14:06:21,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:21 BoogieIcfgContainer [2022-11-23 14:06:21,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:06:21,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:06:21,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:06:21,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:06:21,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:20" (1/3) ... [2022-11-23 14:06:21,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1600454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:21, skipping insertion in model container [2022-11-23 14:06:21,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:20" (2/3) ... [2022-11-23 14:06:21,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1600454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:21, skipping insertion in model container [2022-11-23 14:06:21,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:21" (3/3) ... [2022-11-23 14:06:21,623 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2022-11-23 14:06:21,632 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:06:21,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:06:21,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2022-11-23 14:06:21,647 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:06:21,784 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-11-23 14:06:21,879 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:06:21,894 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 463 transitions, 974 flow [2022-11-23 14:06:21,898 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 463 transitions, 974 flow [2022-11-23 14:06:21,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 458 places, 463 transitions, 974 flow [2022-11-23 14:06:22,154 INFO L130 PetriNetUnfolder]: 24/457 cut-off events. [2022-11-23 14:06:22,155 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-23 14:06:22,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 457 events. 24/457 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 806 event pairs, 0 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 285. Up to 2 conditions per place. [2022-11-23 14:06:22,193 INFO L119 LiptonReduction]: Number of co-enabled transitions 28704 [2022-11-23 14:06:48,523 INFO L134 LiptonReduction]: Checked pairs total: 47484 [2022-11-23 14:06:48,523 INFO L136 LiptonReduction]: Total number of compositions: 595 [2022-11-23 14:06:48,534 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129 places, 122 transitions, 292 flow