./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix042.opt.i --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_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/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_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix042.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/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_e1e54cfd-0218-4e34-9b53-e96b46213567/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 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 --- 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 15:54:20,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:54:20,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:54:21,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:54:21,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:54:21,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:54:21,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:54:21,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:54:21,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:54:21,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:54:21,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:54:21,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:54:21,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:54:21,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:54:21,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:54:21,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:54:21,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:54:21,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:54:21,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:54:21,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:54:21,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:54:21,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:54:21,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:54:21,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:54:21,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:54:21,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:54:21,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:54:21,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:54:21,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:54:21,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:54:21,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:54:21,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:54:21,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:54:21,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:54:21,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:54:21,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:54:21,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:54:21,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:54:21,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:54:21,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:54:21,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:54:21,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 15:54:21,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:54:21,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:54:21,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:54:21,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:54:21,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:54:21,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:54:21,124 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:54:21,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:54:21,124 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:54:21,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:54:21,125 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:54:21,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:54:21,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:54:21,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:54:21,126 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:54:21,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:54:21,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:54:21,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:54:21,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:54:21,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:54:21,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:54:21,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:54:21,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:54:21,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:54:21,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:54:21,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:54:21,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:54:21,130 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 15:54:21,130 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:54:21,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:54:21,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:54:21,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:54:21,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:54:21,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:54:21,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:21,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:54:21,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:54:21,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:54:21,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:54:21,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:54:21,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:54:21,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:54:21,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:54:21,134 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_e1e54cfd-0218-4e34-9b53-e96b46213567/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 [2022-11-23 15:54:21,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:54:21,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:54:21,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:54:21,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:54:21,458 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:54:21,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/pthread-wmm/mix042.opt.i [2022-11-23 15:54:24,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:54:24,920 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:54:24,921 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/sv-benchmarks/c/pthread-wmm/mix042.opt.i [2022-11-23 15:54:24,933 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/data/31c39dd3e/b1e19b233f504ed497606b35849b0205/FLAG6e890d514 [2022-11-23 15:54:24,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/data/31c39dd3e/b1e19b233f504ed497606b35849b0205 [2022-11-23 15:54:24,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:54:24,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:54:24,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:24,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:54:24,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:54:24,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:24" (1/1) ... [2022-11-23 15:54:24,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d71a165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24, skipping insertion in model container [2022-11-23 15:54:24,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:24" (1/1) ... [2022-11-23 15:54:24,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:54:25,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:54:25,177 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_e1e54cfd-0218-4e34-9b53-e96b46213567/sv-benchmarks/c/pthread-wmm/mix042.opt.i[944,957] [2022-11-23 15:54:25,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:25,407 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:54:25,420 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_e1e54cfd-0218-4e34-9b53-e96b46213567/sv-benchmarks/c/pthread-wmm/mix042.opt.i[944,957] [2022-11-23 15:54:25,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:25,555 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:54:25,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25 WrapperNode [2022-11-23 15:54:25,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:25,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:25,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:54:25,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:54:25,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,688 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 953 [2022-11-23 15:54:25,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:25,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:54:25,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:54:25,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:54:25,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:54:25,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:54:25,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:54:25,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:54:25,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2022-11-23 15:54:25,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:25,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:25,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:54:25,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e54cfd-0218-4e34-9b53-e96b46213567/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:54:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:54:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 15:54:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:54:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:54:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:54:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-23 15:54:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-23 15:54:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-23 15:54:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-23 15:54:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-23 15:54:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-23 15:54:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:54:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 15:54:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:54:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:54:25,862 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 15:54:26,142 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:54:26,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:54:27,608 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:54:49,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:54:49,829 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:54:49,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:49 BoogieIcfgContainer [2022-11-23 15:54:49,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:54:49,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:54:49,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:54:49,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:54:49,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:24" (1/3) ... [2022-11-23 15:54:49,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a75ee6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:49, skipping insertion in model container [2022-11-23 15:54:49,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (2/3) ... [2022-11-23 15:54:49,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a75ee6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:49, skipping insertion in model container [2022-11-23 15:54:49,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:49" (3/3) ... [2022-11-23 15:54:49,851 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.opt.i [2022-11-23 15:54:49,866 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 15:54:49,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:54:49,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 220 error locations. [2022-11-23 15:54:49,878 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 15:54:52,291 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 15:54:52,328 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 15:54:52,343 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 340 transitions, 695 flow [2022-11-23 15:54:52,346 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 340 transitions, 695 flow [2022-11-23 15:54:52,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 348 places, 340 transitions, 695 flow [2022-11-23 15:54:53,628 INFO L130 PetriNetUnfolder]: 2/337 cut-off events. [2022-11-23 15:54:53,629 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 15:54:53,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 337 events. 2/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1811 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2022-11-23 15:54:53,653 INFO L119 LiptonReduction]: Number of co-enabled transitions 44886 [2022-11-23 15:57:07,764 WARN L233 SmtUtils]: Spent 58.69s on a formula simplification. DAG size of input: 5323 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:57:50,119 WARN L233 SmtUtils]: Spent 31.09s on a formula simplification. DAG size of input: 4334 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:58:45,042 WARN L233 SmtUtils]: Spent 54.91s on a formula simplification. DAG size of input: 5386 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:59:35,841 WARN L233 SmtUtils]: Spent 50.75s on a formula simplification. DAG size of input: 5352 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:00:36,145 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 5351 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)