./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix039.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix039.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4df22382a468f75ea1bc6624bacd8789c0b9b9f8aa1bc2866cf2715dcbc507bc --- 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-b5237d8 [2022-11-21 17:00:39,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:00:39,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:00:39,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:00:39,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:00:39,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:00:39,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:00:39,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:00:39,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:00:39,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:00:39,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:00:39,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:00:39,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:00:39,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:00:39,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:00:39,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:00:39,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:00:39,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:00:39,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:00:39,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:00:39,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:00:39,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:00:39,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:00:39,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:00:39,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:00:39,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:00:39,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:00:39,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:00:39,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:00:39,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:00:39,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:00:39,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:00:39,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:00:39,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:00:39,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:00:39,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:00:39,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:00:39,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:00:39,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:00:39,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:00:39,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:00:39,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 17:00:39,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:00:39,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:00:39,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:00:39,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:00:39,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:00:39,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:00:39,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:00:39,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:00:39,709 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:00:39,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:00:39,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:00:39,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:00:39,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:00:39,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:00:39,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:00:39,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:00:39,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:00:39,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:00:39,712 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 17:00:39,712 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:00:39,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:00:39,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:00:39,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:00:39,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:00:39,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:00:39,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:00:39,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:00:39,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:00:39,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:00:39,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:00:39,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:00:39,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:00:39,716 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:00:39,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:00:39,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:00:39,717 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_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4df22382a468f75ea1bc6624bacd8789c0b9b9f8aa1bc2866cf2715dcbc507bc [2022-11-21 17:00:40,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:00:40,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:00:40,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:00:40,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:00:40,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:00:40,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/mix039.opt.i [2022-11-21 17:00:43,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:00:43,799 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:00:43,800 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/sv-benchmarks/c/pthread-wmm/mix039.opt.i [2022-11-21 17:00:43,817 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/data/8dd2fa4fa/d339f727096c401ca2962252eabb4866/FLAG66686c126 [2022-11-21 17:00:43,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/data/8dd2fa4fa/d339f727096c401ca2962252eabb4866 [2022-11-21 17:00:43,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:00:43,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:00:43,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:00:43,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:00:43,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:00:43,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:43" (1/1) ... [2022-11-21 17:00:43,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c24b366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43, skipping insertion in model container [2022-11-21 17:00:43,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:43" (1/1) ... [2022-11-21 17:00:43,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:00:43,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:00:44,180 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_0f6c2708-df73-487a-9014-ab39490b0c74/sv-benchmarks/c/pthread-wmm/mix039.opt.i[944,957] [2022-11-21 17:00:44,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:00:44,616 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:00:44,630 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_0f6c2708-df73-487a-9014-ab39490b0c74/sv-benchmarks/c/pthread-wmm/mix039.opt.i[944,957] [2022-11-21 17:00:44,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:00:44,804 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:00:44,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44 WrapperNode [2022-11-21 17:00:44,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:00:44,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:00:44,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:00:44,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:00:44,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:44,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:44,931 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 536 [2022-11-21 17:00:44,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:00:44,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:00:44,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:00:44,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:00:44,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:44,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:44,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:44,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:44,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:45,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:45,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:45,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:45,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:00:45,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:00:45,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:00:45,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:00:45,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (1/1) ... [2022-11-21 17:00:45,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:00:45,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:45,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:00:45,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6c2708-df73-487a-9014-ab39490b0c74/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:00:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:00:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 17:00:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:00:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:00:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:00:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 17:00:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 17:00:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 17:00:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 17:00:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 17:00:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 17:00:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-21 17:00:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-21 17:00:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:00:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 17:00:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:00:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:00:45,147 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:00:45,495 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:00:45,498 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:00:47,197 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:02:08,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:02:08,240 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:02:08,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:02:08 BoogieIcfgContainer [2022-11-21 17:02:08,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:02:08,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:02:08,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:02:08,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:02:08,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:00:43" (1/3) ... [2022-11-21 17:02:08,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208addba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:02:08, skipping insertion in model container [2022-11-21 17:02:08,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:44" (2/3) ... [2022-11-21 17:02:08,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208addba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:02:08, skipping insertion in model container [2022-11-21 17:02:08,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:02:08" (3/3) ... [2022-11-21 17:02:08,254 INFO L112 eAbstractionObserver]: Analyzing ICFG mix039.opt.i [2022-11-21 17:02:08,265 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 17:02:08,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:02:08,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 200 error locations. [2022-11-21 17:02:08,278 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:02:18,735 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 17:02:18,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 339 transitions, 698 flow [2022-11-21 17:02:31,937 INFO L130 PetriNetUnfolder]: 2/335 cut-off events. [2022-11-21 17:02:31,938 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:02:31,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 335 events. 2/335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1597 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2022-11-21 17:02:31,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 350 places, 339 transitions, 698 flow [2022-11-21 17:02:31,967 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 335 transitions, 682 flow [2022-11-21 17:02:31,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:02:31,987 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@222e7cff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:02:31,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 366 error locations. [2022-11-21 17:02:31,997 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-11-21 17:02:31,997 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:02:31,998 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:02:31,998 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:02:31,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 362 more)] === [2022-11-21 17:02:32,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:02:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash -511995292, now seen corresponding path program 1 times [2022-11-21 17:02:32,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:02:32,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191739207] [2022-11-21 17:02:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:02:32,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:02:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:02:32,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:02:32,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191739207] [2022-11-21 17:02:32,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191739207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:02:32,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:02:32,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-21 17:02:32,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009181464] [2022-11-21 17:02:32,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:02:32,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:02:32,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:32,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:02:32,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:02:32,701 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 339 [2022-11-21 17:02:32,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 335 transitions, 682 flow. Second operand has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:02:32,708 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:02:32,708 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 339 [2022-11-21 17:02:32,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand