./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:49:19,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:49:19,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:49:19,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:49:19,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:49:19,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:49:19,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:49:19,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:49:19,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:49:19,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:49:19,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:49:19,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:49:19,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:49:19,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:49:19,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:49:19,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:49:19,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:49:19,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:49:19,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:49:19,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:49:19,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:49:19,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:49:19,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:49:19,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:49:19,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:49:19,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:49:19,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:49:19,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:49:19,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:49:19,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:49:19,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:49:20,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:49:20,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:49:20,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:49:20,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:49:20,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:49:20,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:49:20,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:49:20,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:49:20,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:49:20,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:49:20,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:49:20,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:49:20,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:49:20,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:49:20,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:49:20,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:49:20,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:49:20,043 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:49:20,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:49:20,044 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:49:20,044 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:49:20,045 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:49:20,045 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:49:20,046 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:49:20,046 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:49:20,047 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:49:20,047 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:49:20,048 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:49:20,048 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:49:20,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:49:20,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:49:20,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:49:20,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:49:20,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:49:20,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:49:20,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:49:20,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:49:20,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:49:20,053 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:49:20,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:49:20,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:49:20,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:49:20,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:49:20,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:49:20,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:49:20,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:20,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:49:20,057 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:49:20,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:49:20,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:49:20,058 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:49:20,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:49:20,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:49:20,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:49:20,059 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_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2022-11-19 06:49:20,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:49:20,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:49:20,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:49:20,462 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:49:20,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:49:20,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i [2022-11-19 06:49:20,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/data/e7c3ed06d/e974da927e7f471985be441456c56b79/FLAG5ef3bd4fd [2022-11-19 06:49:21,202 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:49:21,203 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2022-11-19 06:49:21,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/data/e7c3ed06d/e974da927e7f471985be441456c56b79/FLAG5ef3bd4fd [2022-11-19 06:49:21,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/data/e7c3ed06d/e974da927e7f471985be441456c56b79 [2022-11-19 06:49:21,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:49:21,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:49:21,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:21,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:49:21,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:49:21,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:21" (1/1) ... [2022-11-19 06:49:21,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c97a903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:21, skipping insertion in model container [2022-11-19 06:49:21,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:21" (1/1) ... [2022-11-19 06:49:21,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:49:21,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:49:21,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2022-11-19 06:49:22,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:22,176 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:49:22,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2022-11-19 06:49:22,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:22,357 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:49:22,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22 WrapperNode [2022-11-19 06:49:22,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:22,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:49:22,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:49:22,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:49:22,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,487 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 956 [2022-11-19 06:49:22,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:49:22,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:49:22,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:49:22,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:49:22,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:49:22,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:49:22,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:49:22,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:49:22,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:22" (1/1) ... [2022-11-19 06:49:22,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:49:22,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:49:22,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a03866-ef41-4c67-98c2-df700f1d374b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:49:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:49:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:49:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:49:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:49:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:49:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 06:49:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 06:49:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 06:49:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 06:49:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 06:49:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 06:49:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-19 06:49:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-19 06:49:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:49:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:49:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:49:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:49:22,685 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:49:22,985 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:49:22,988 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:49:24,551 INFO L276 CfgBuilder]: Performing block encoding