./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.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_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/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_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/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_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- 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 10:58:26,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:58:26,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:58:26,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:58:26,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:58:26,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:58:26,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:58:26,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:58:26,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:58:26,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:58:26,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:58:26,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:58:26,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:58:26,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:58:26,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:58:26,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:58:26,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:58:26,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:58:26,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:58:26,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:58:26,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:58:26,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:58:26,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:58:26,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:58:26,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:58:26,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:58:26,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:58:26,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:58:26,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:58:26,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:58:26,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:58:26,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:58:26,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:58:26,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:58:26,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:58:26,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:58:26,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:58:26,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:58:26,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:58:26,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:58:26,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:58:26,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:58:26,247 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:58:26,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:58:26,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:58:26,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:58:26,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:58:26,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:58:26,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:58:26,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:58:26,251 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:58:26,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:58:26,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:58:26,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:58:26,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:58:26,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:58:26,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:58:26,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:58:26,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:58:26,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:58:26,253 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:58:26,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:58:26,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:58:26,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:58:26,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:58:26,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:58:26,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:58:26,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:58:26,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:58:26,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:58:26,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:58:26,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:58:26,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:58:26,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:58:26,256 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:58:26,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:58:26,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:58:26,257 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_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2022-11-20 10:58:26,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:58:26,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:58:26,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:58:26,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:58:26,508 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:58:26,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-20 10:58:29,523 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:58:29,859 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:58:29,860 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-20 10:58:29,875 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/data/e4a34f2cb/6810b7289e9941929c757cc60effa3a1/FLAG0f2864087 [2022-11-20 10:58:29,890 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/data/e4a34f2cb/6810b7289e9941929c757cc60effa3a1 [2022-11-20 10:58:29,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:58:29,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:58:29,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:58:29,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:58:29,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:58:29,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:58:29" (1/1) ... [2022-11-20 10:58:29,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a8c2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:29, skipping insertion in model container [2022-11-20 10:58:29,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:58:29" (1/1) ... [2022-11-20 10:58:29,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:58:29,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:58:30,122 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_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-11-20 10:58:30,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:58:30,408 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:58:30,426 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_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-11-20 10:58:30,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:58:30,575 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:58:30,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30 WrapperNode [2022-11-20 10:58:30,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:58:30,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:58:30,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:58:30,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:58:30,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,699 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 515 [2022-11-20 10:58:30,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:58:30,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:58:30,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:58:30,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:58:30,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,788 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:58:30,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:58:30,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:58:30,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:58:30,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (1/1) ... [2022-11-20 10:58:30,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:58:30,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:58:30,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:58:30,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82adefb9-d1f3-4dc5-9e52-de043db6e3d8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:58:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:58:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:58:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:58:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:58:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:58:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 10:58:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 10:58:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 10:58:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 10:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 10:58:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 10:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:58:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:58:30,900 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 10:58:31,167 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:58:31,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:58:32,932 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:59:46,664 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:59:46,664 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:59:46,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:59:46 BoogieIcfgContainer [2022-11-20 10:59:46,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:59:46,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:59:46,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:59:46,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:59:46,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:58:29" (1/3) ... [2022-11-20 10:59:46,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483ea20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:59:46, skipping insertion in model container [2022-11-20 10:59:46,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:30" (2/3) ... [2022-11-20 10:59:46,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483ea20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:59:46, skipping insertion in model container [2022-11-20 10:59:46,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:59:46" (3/3) ... [2022-11-20 10:59:46,678 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-20 10:59:46,688 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:59:46,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:59:46,699 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 251 error locations. [2022-11-20 10:59:46,699 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:59:54,458 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:59:54,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 382 places, 374 transitions, 763 flow [2022-11-20 10:59:57,851 INFO L130 PetriNetUnfolder]: 2/371 cut-off events. [2022-11-20 10:59:57,851 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:59:57,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 371 events. 2/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1999 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 329. Up to 2 conditions per place. [2022-11-20 10:59:57,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 382 places, 374 transitions, 763 flow [2022-11-20 10:59:57,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 379 places, 371 transitions, 751 flow [2022-11-20 10:59:57,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:59:57,898 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;@266fef87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:59:57,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 467 error locations. [2022-11-20 10:59:57,906 INFO L130 PetriNetUnfolder]: 0/49 cut-off events. [2022-11-20 10:59:57,906 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:59:57,906 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:59:57,907 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] [2022-11-20 10:59:57,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 463 more)] === [2022-11-20 10:59:57,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:59:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1128838353, now seen corresponding path program 1 times [2022-11-20 10:59:57,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:59:57,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187408499] [2022-11-20 10:59:57,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:59:57,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:59:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:58,561 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 10:59:58,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:59:58,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187408499] [2022-11-20 10:59:58,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187408499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:59:58,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:59:58,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 10:59:58,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488476382] [2022-11-20 10:59:58,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:59:58,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:59:58,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:59:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:59:58,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:59:58,627 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 374 [2022-11-20 10:59:58,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 371 transitions, 751 flow. Second operand has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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 10:59:58,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:59:58,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 374 [2022-11-20 10:59:58,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:01:54,149 INFO L130 PetriNetUnfolder]: 1947/7395 cut-off events. [2022-11-20 11:01:54,149 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-11-20 11:01:54,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10315 conditions, 7395 events. 1947/7395 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 80841 event pairs, 1947 based on Foata normal form. 371/7253 useless extension candidates. Maximal degree in co-relation 10261. Up to 2830 conditions per place. [2022-11-20 11:01:54,214 INFO L137 encePairwiseOnDemand]: 123/374 looper letters, 21 selfloop transitions, 0 changer transitions 0/119 dead transitions. [2022-11-20 11:01:54,214 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 119 transitions, 289 flow [2022-11-20 11:01:54,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:01:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-20 11:01:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 474 transitions. [2022-11-20 11:01:54,238 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6336898395721925 [2022-11-20 11:01:54,239 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 474 transitions. [2022-11-20 11:01:54,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 474 transitions. [2022-11-20 11:01:54,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:01:54,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 474 transitions. [2022-11-20 11:01:54,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 237.0) internal successors, (474), 2 states have internal predecessors, (474), 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 11:01:54,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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 11:01:54,257 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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 11:01:54,259 INFO L175 Difference]: Start difference. First operand has 379 places, 371 transitions, 751 flow. Second operand 2 states and 474 transitions. [2022-11-20 11:01:54,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 119 transitions, 289 flow [2022-11-20 11:01:54,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 119 transitions, 286 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 11:01:54,266 INFO L231 Difference]: Finished difference. Result has 127 places, 119 transitions, 244 flow [2022-11-20 11:01:54,268 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=244, PETRI_PLACES=127, PETRI_TRANSITIONS=119} [2022-11-20 11:01:54,272 INFO L288 CegarLoopForPetriNet]: 379 programPoint places, -252 predicate places. [2022-11-20 11:01:54,273 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 119 transitions, 244 flow [2022-11-20 11:01:54,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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 11:01:54,273 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:01:54,273 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, 1, 1] [2022-11-20 11:01:54,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:01:54,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 463 more)] === [2022-11-20 11:01:54,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:01:54,277 INFO L85 PathProgramCache]: Analyzing trace with hash -223223765, now seen corresponding path program 1 times [2022-11-20 11:01:54,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:01:54,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390893536] [2022-11-20 11:01:54,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:01:54,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:01:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:54,552 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 11:01:54,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:01:54,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390893536] [2022-11-20 11:01:54,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390893536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:01:54,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:01:54,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:01:54,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935127359] [2022-11-20 11:01:54,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:01:54,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:01:54,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:01:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:01:54,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:01:54,557 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 374 [2022-11-20 11:01:54,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 11:01:54,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:01:54,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 374 [2022-11-20 11:01:54,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand