./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN --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 d6f4376125179246714b78f2e2f349c8b75c8c24c937ac142dcf7789f615522d --- 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-6b4ec56 [2022-11-20 11:17:32,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:17:32,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:17:32,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:17:32,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:17:32,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:17:32,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:17:32,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:17:32,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:17:32,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:17:32,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:17:32,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:17:32,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:17:32,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:17:32,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:17:32,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:17:32,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:17:32,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:17:32,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:17:32,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:17:32,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:17:32,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:17:32,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:17:32,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:17:32,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:17:32,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:17:32,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:17:32,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:17:32,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:17:32,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:17:32,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:17:32,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:17:32,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:17:32,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:17:32,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:17:32,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:17:32,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:17:32,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:17:32,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:17:32,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:17:32,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:17:32,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:17:32,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:17:32,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:17:32,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:17:32,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:17:32,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:17:32,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:17:32,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:17:32,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:17:32,187 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:17:32,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:17:32,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:17:32,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:17:32,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:17:32,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:17:32,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:17:32,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:17:32,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:17:32,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:17:32,190 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:17:32,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:17:32,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:17:32,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:17:32,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:17:32,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:17:32,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:17:32,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:17:32,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:32,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:17:32,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:17:32,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:17:32,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:17:32,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:17:32,193 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:17:32,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:17:32,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:17:32,194 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_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6f4376125179246714b78f2e2f349c8b75c8c24c937ac142dcf7789f615522d [2022-11-20 11:17:32,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:17:32,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:17:32,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:17:32,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:17:32,605 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:17:32,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i [2022-11-20 11:17:36,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:17:36,745 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:17:36,745 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i [2022-11-20 11:17:36,764 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/data/e3661ce39/ff0a97ea7733485698a2aea7a7814d08/FLAG6f5a9c06b [2022-11-20 11:17:36,791 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/data/e3661ce39/ff0a97ea7733485698a2aea7a7814d08 [2022-11-20 11:17:36,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:17:36,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:17:36,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:17:36,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:17:36,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:17:36,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:36" (1/1) ... [2022-11-20 11:17:36,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8ca37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:36, skipping insertion in model container [2022-11-20 11:17:36,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:36" (1/1) ... [2022-11-20 11:17:36,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:17:36,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:17:37,108 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_8b71243e-c217-49c5-8bb9-b90a4e86df4e/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-20 11:17:37,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:17:37,503 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:17:37,525 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_8b71243e-c217-49c5-8bb9-b90a4e86df4e/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-20 11:17:37,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:17:37,658 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:17:37,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37 WrapperNode [2022-11-20 11:17:37,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:17:37,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:17:37,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:17:37,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:17:37,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,769 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 936 [2022-11-20 11:17:37,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:17:37,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:17:37,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:17:37,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:17:37,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:17:37,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:17:37,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:17:37,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:17:37,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (1/1) ... [2022-11-20 11:17:37,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:37,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:17:37,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:17:37,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b71243e-c217-49c5-8bb9-b90a4e86df4e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:17:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:17:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 11:17:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:17:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:17:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:17:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 11:17:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 11:17:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 11:17:38,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 11:17:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 11:17:38,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 11:17:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:17:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 11:17:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:17:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:17:38,028 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:17:38,286 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:17:38,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:17:40,363 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:18:12,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:18:12,471 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:18:12,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:12 BoogieIcfgContainer [2022-11-20 11:18:12,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:18:12,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:18:12,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:18:12,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:18:12,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:17:36" (1/3) ... [2022-11-20 11:18:12,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a9dc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:12, skipping insertion in model container [2022-11-20 11:18:12,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:37" (2/3) ... [2022-11-20 11:18:12,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a9dc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:12, skipping insertion in model container [2022-11-20 11:18:12,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:12" (3/3) ... [2022-11-20 11:18:12,490 INFO L112 eAbstractionObserver]: Analyzing ICFG mix019_tso.oepc.i [2022-11-20 11:18:12,502 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:18:12,515 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:18:12,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 247 error locations. [2022-11-20 11:18:12,517 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:18:16,372 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 11:18:16,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 374 places, 366 transitions, 747 flow [2022-11-20 11:18:18,179 INFO L130 PetriNetUnfolder]: 2/363 cut-off events. [2022-11-20 11:18:18,179 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:18:18,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 363 events. 2/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2005 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 323. Up to 2 conditions per place. [2022-11-20 11:18:18,190 INFO L82 GeneralOperation]: Start removeDead. Operand has 374 places, 366 transitions, 747 flow [2022-11-20 11:18:18,208 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 371 places, 363 transitions, 735 flow [2022-11-20 11:18:18,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:18:18,230 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;@7ad8cf2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:18:18,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 366 error locations. [2022-11-20 11:18:18,240 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2022-11-20 11:18:18,240 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:18:18,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:18:18,241 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] [2022-11-20 11:18:18,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 362 more)] === [2022-11-20 11:18:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:18,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1835367612, now seen corresponding path program 1 times [2022-11-20 11:18:18,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:18,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973100323] [2022-11-20 11:18:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:18,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:18:18,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:18:18,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973100323] [2022-11-20 11:18:18,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973100323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:18,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:18,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 11:18:18,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723113809] [2022-11-20 11:18:18,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:18,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:18:18,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:18:18,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:18:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:18:18,841 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 366 [2022-11-20 11:18:18,845 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 363 transitions, 735 flow. Second operand has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 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) [2022-11-20 11:18:18,846 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:18:18,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 366 [2022-11-20 11:18:18,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:19:34,165 INFO L130 PetriNetUnfolder]: 1355/5269 cut-off events. [2022-11-20 11:19:34,165 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-20 11:19:34,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7321 conditions, 5269 events. 1355/5269 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 54450 event pairs, 1355 based on Foata normal form. 253/5136 useless extension candidates. Maximal degree in co-relation 7269. Up to 1986 conditions per place. [2022-11-20 11:19:34,210 INFO L137 encePairwiseOnDemand]: 119/366 looper letters, 19 selfloop transitions, 0 changer transitions 0/115 dead transitions. [2022-11-20 11:19:34,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 115 transitions, 277 flow [2022-11-20 11:19:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:19:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-20 11:19:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 464 transitions. [2022-11-20 11:19:34,241 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6338797814207651 [2022-11-20 11:19:34,242 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 464 transitions. [2022-11-20 11:19:34,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 464 transitions. [2022-11-20 11:19:34,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:19:34,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 464 transitions. [2022-11-20 11:19:34,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 232.0) internal successors, (464), 2 states have internal predecessors, (464), 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) [2022-11-20 11:19:34,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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) [2022-11-20 11:19:34,269 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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) [2022-11-20 11:19:34,271 INFO L175 Difference]: Start difference. First operand has 371 places, 363 transitions, 735 flow. Second operand 2 states and 464 transitions. [2022-11-20 11:19:34,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 115 transitions, 277 flow [2022-11-20 11:19:34,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 115 transitions, 274 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 11:19:34,283 INFO L231 Difference]: Finished difference. Result has 123 places, 115 transitions, 236 flow [2022-11-20 11:19:34,286 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=236, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2022-11-20 11:19:34,292 INFO L288 CegarLoopForPetriNet]: 371 programPoint places, -248 predicate places. [2022-11-20 11:19:34,292 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 236 flow [2022-11-20 11:19:34,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 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) [2022-11-20 11:19:34,293 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:19:34,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:19:34,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:19:34,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 362 more)] === [2022-11-20 11:19:34,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:19:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash 422188329, now seen corresponding path program 1 times [2022-11-20 11:19:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:19:34,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164691561] [2022-11-20 11:19:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:19:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:19:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:19:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:19:34,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:19:34,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164691561] [2022-11-20 11:19:34,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164691561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:19:34,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:19:34,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:19:34,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930068851] [2022-11-20 11:19:34,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:19:34,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:19:34,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:19:34,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:19:34,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:19:34,655 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 366 [2022-11-20 11:19:34,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2022-11-20 11:19:34,658 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:19:34,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 366 [2022-11-20 11:19:34,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand